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BMW Coilovers

Coilovers provide more adjustability than a strut and spring setup and can serve a variety of different needs - it's important to be sure of what your suspension goals are. We have broken down our coilover catalog into street and track categories, this is not to say you can't use one of our aEURoestreetaEUR coilovers on the track, or vice versa, but it is to give you a starting point. Are you someone who is interested in getting your BMW lower than factory height for the aesthetic value and handling benefits in a daily driver? Check out our street category. The majority of these are priced to avoid breaking the bank, but providing a good value in terms of features and benefits. On the other hand, if you are putting together your vehicle with the track as its main purpose, take a look at our track coilovers category. We have hand selected these coilover brands as being more expensive coilovers built to hold up to abuse.

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BC Racing - Corporate Logo
T#:46753524
Part#: I-95-DS
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$ 1,415.00 USD
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The DS series from BC racing offers increased control and feedback for those looking to achieve the best driving experience possible. Digressive Valving means the shock is firmer at low speed, while transitioning to a softer and more linear feel as (shaft) speed increases. This leads to a much more planted and controlled feeling in the chassis, increased feedback through the wheel, and a slight drop in passenger comfort.
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BC Racing - Corporate Logo
T#:46409676
Part#: I-155-BR
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$ 1,215.00 USD
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$ 1,215.00 USD
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Looking for coilovers that will provide reliability on street-driven vehicles but are also capable of feeding your weekend track demon's desire for performance? BC Racing's BR Series coilover kit may be just the thing for you.
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BC Racing - Corporate Logo
T#:13266388
Part#: I-106-BR
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$ 1,195.00 USD
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$ 1,195.00 USD
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The BC Racing BR Series offers the most affordable entry into coilover suspension without sacrificing performance, comfort, build quality, vehicle height, or handling. This is done by extensively testing each vehicle then refining the coilover characteristics as many times as needed to ensure the most well-balanced and affordable aftermarket suspension conceivable. BC Racing takes great pride in choosing spring rates for our off-the-shelf kits that strike the perfect balance between comfort and performance so you're never stuck with an oversprung suspension like many other brands sell. BC Racing offers one of the widest ranges of damping adjustment with 30-clicks of compression/rebound adjusted simultaneously on the BR Series. With meticulously chosen spring rates, damper valving, and one of the widest adjustment ranges in the industry, you can't go wrong with the BC Racing BR Series Coilover System.
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BC Racing - Corporate Logo
T#:47439429
Part#: I-85-RM
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$ 1,515.00 USD
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$ 1,515.00 USD
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The BC Racing RM Series Coilover System uses a mono-tube inverted damper in the front and rear of vehicles that use McPherson style OEM strut suspension. On vehicles that use front struts only, BC Racing provides an inverted front strut and then provides an upright BR Series damper for the rear. Inverted dampers are useful in decreasing unsprung weight by moving the greatest mass of the strut to the top where it connects to the sprung weight of the chassis, where weight can be more easily shaved. The BC Racing RM Series Coilover System uses a much larger inverted piston shaft that can handle higher lateral loads for longer periods of time without fatigue. These higher lateral loads are only prevalent on McPherson style strut suspension, not on Double A-Arm vehicles.
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BC Racing - Corporate Logo
T#:47439373
Part#: I-13-RM
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$ 1,515.00 USD
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$ 1,515.00 USD
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The BC Racing RM Series Coilover System uses a mono-tube inverted damper in the front and rear of vehicles that use McPherson style OEM strut suspension. On vehicles that use front struts only, BC Racing provides an inverted front strut and then provides an upright BR Series damper for the rear. Inverted dampers are useful in decreasing unsprung weight by moving the greatest mass of the strut to the top where it connects to the sprung weight of the chassis, where weight can be more easily shaved. The BC Racing RM Series Coilover System uses a much larger inverted piston shaft that can handle higher lateral loads for longer periods of time without fatigue. These higher lateral loads are only prevalent on McPherson style strut suspension, not on Double A-Arm vehicles.
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BC Racing - Corporate Logo
T#:13266389
Part#: I-104-BR
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$ 1,195.00 USD
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$ 1,195.00 USD
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BC Racing has made a name for themselves in the automotive enthusiast communities by developing adjustable, street-and-track capable coilover kits for over a decade that are not only highly effective but also don't break the bank! The BR Series coilover suspension kit features mounting points and brackets that are compatible with all stock mounting locations and components. It is their most popular and versatile suspension setup, offering linear springs (where possible), 30 levels of dampening adjustment including simultaneous compression and rebound control, and a 2-inch minimum ride height drop. All BR Series kits are Dyno tested to determine the best valving and spring rates for each chassis and are tested for a minimum of 6 months before being released to the public to ensure ride quality and reliability. All upper shock and strut mounts are constructed of 6061-T6 Aluminum to ensure a lightweight and incredibly strong design. Front design options include Caster/Camber Plates, Camber plates, and Rubber Mount Plates. See below for the option fitted to your chassis's BR Series Kit. The adjustable plate designs allow for up to 3 degrees of camber adjustment. The Rubber Mount Plates are better for preventing unwanted NVH. Lower shock mounts are either made of 6061-T6 Aluminum just like the top mounts (Fork or Bolt Eye Style Mount) that have been milled from a single piece of material, or high-quality STKM13C steel with all brackets welded robotically. Both styles are then powder coated for corrosion protection and styling. All springs used, linear, S-barrel, and v-barrel, are made of SAE9254 steel and utilize a Zinc coating under a powder coating finish to ensure rust cannot penetrate the metal of the spring and compromise performance or reliability. Liner springs are used in places possible unless otherwise limited by the OE design of the vehicle that does not allow it. In that case, S-Barrel or V-Barrel springs are used to match OE shape/style specifications and the spring's rate is then matched to the linear rate. BC Racing creates their kits utilizing a wide variety of shock types, lengths, and diameters. Each vehicle depending on their data from R&D, and accounting for the OEM suspension design will utilize a different style of shock. Each shock is hand assembled in their factory and dyno tested before use in their kits. Shocks are paired together by their compression and rebound numbers after dyno testing for even and precise quality and performance. Each shock body used in their system is 53mm for added strength, performance, and increased fluid capacity (unless limited spacing will not allow it). The shocks are then coated in black chrome for a clean, cohesive appearance and corrosion resistance. Specs and Features: 8k Front & 5k Rear Spring Rate S-Barrel front & Linear rear springs Valved specifically to spring style and rate Aluminum and Rubber Front Mounts Rear Rubber Mounts Black Powder Coated Components All OE style brackets and mounting for a perfect fit 30 Levels of Simultaneous Compression and Rebound Dampening 2-inch minimum and 3+ Inches of total potential drop Great for Track, Street, and any other conditions
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BC Racing - Corporate Logo
T#:47439434
Part#: I-130-BR
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$ 1,215.00 USD
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$ 1,215.00 USD
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The BC Racing BR Series offers the most affordable entry into coilover suspension without sacrificing performance, comfort, build quality, vehicle height, or handling. This is done by extensively testing each vehicle then refining the coilover characteristics as many times as needed to ensure the most well-balanced and affordable aftermarket suspension conceivable. BC Racing takes great pride in choosing spring rates for our off-the-shelf kits that strike the perfect balance between comfort and performance so you're never stuck with an oversprung suspension like many other brands sell. BC Racing offers one of the widest ranges of damping adjustment with 30-clicks of compression/rebound adjusted simultaneously on the BR Series. With meticulously chosen spring rates, damper valving, and one of the widest adjustment ranges in the industry, you can't go wrong with the BC Racing BR Series Coilover System.
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BC Racing - Corporate Logo
T#:51320846
Part#: I-90-DS
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$ 1,415.00 USD
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$ 1,415.00 USD
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The BC Racing DS Series for the E46 Convertible is built using motorsport-grade materials designed to withstand the rigors of spirited driving and technical road courses. Because the E46 platform benefits greatly from increased front camber, this kit comes standard with front pillowball camber plates. These plates replace the compliant factory rubber mounts, providing unmediated feedback to the driver and allowing for aggressive alignment settings to maximize tire contact patches. Every DS Series kit is fully rebuildable and customizable, with the option to upgrade to Swift Springs for even more consistent spring rates and reduced weight. Whether you're carving canyons or attending a weekend track day, the DS Series provides the stability and feedback needed to push the E46 chassis to its limits. Key Features: Front Camber Plates: Precision-engineered aluminum plates for surgical alignment and increased turn-in bite. Satin Chrome Finished Shock Body: A highly durable coating that resists the elements while providing a high-end look. Linear Spring Piston: While the valving is digressive, the springs remain linear to provide a predictable and consistent feel. Fully Rebuildable: Every part, from the seals to the valving, is serviceable and replaceable. Custom Spring Rate Compatibility: Can be ordered with custom valving paired specifically to your requested spring rates. Specifications: Vehicle Fitment: 2000–2006 BMW 3-Series (E46) Convertible (All models except M3). Spring Rates (Default): Front: 6 kg/mm | Rear: 8 kg/mm. Optional Rates: Custom rates available (e.g., 8kg/10kg) for more track-oriented setups. Piston Diameter: 46mm. Adjustability: Ride height, spring preload, and 30-way damping.
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BC Racing - Corporate Logo
T#:47439430
Part#: I-61-DS
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$ 1,415.00 USD
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$ 1,415.00 USD
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BC Racing's new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g., roll, pitch, dive, and quick weight transitions on technical road courses. For The Ultimate In Driver Feel - Choose BC Racing DS Series Coilovers.
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H&R - Corporate Logo
T#:374091
Part#: 36925-2
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$ 1,690.00 USD
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$ 1,690.00 USD
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H&R Street Performance SS Coil Overs are now available with polished stainless steel shock tubes. These new Coil Overs are shock damping adjustable—allowing personalized tuning of the shock setting to suit driving needs for high performance or comfort. Height adjustability is made possible by fully threaded shock bodies and easy to adjust spring seats / locking rings. H&R ride development engineers have precisely plotted the perfect shock damping curves of each application for optimized handling and superb ride comfort. To ensure the best quality available H&R has partnered with world-renowned shock absorber specialist KONI to manufacture the shocks.
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BC Racing - Corporate Logo
T#:46719197
Part#: I-141-DS
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$ 1,415.00 USD
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$ 1,415.00 USD
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The DS series from BC racing offers increased control and feedback for those looking to achieve the best driving experience possible. Digressive Valving means the shock is firmer at low speed, while transitioning to a softer and more linear feel as (shaft) speed increases. This leads to a much more planted and controlled feeling in the chassis, increased feedback through the wheel, and a slight drop in passenger comfort.
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BC Racing - Corporate Logo
T#:47439437
Part#: I-49-HM
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$ 2,565.00 USD
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$ 2,565.00 USD
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The BC Racing HM Series Coilover System gets its great qualities from a combination of two previous BC Racing Coilover Systems - the RM Series and ER Series. The HM Series uses an inverted mono-tube damper, just like the RM Series, but adds the independent compression and rebound adjustment of the ER Series. Each HM Series Coilover System uses inverted mono-tube dampers front and rear on McPherson strut vehicles with steel braided lines leading from the top of the damper to the external reservoirs. The external reservoirs allow for a higher oil capacity with the added benefit of increased thermal dissipation, they also house the secondary damping piston. For Subarus and other McPherson suspension vehicles that are heavily tracked, the BC Racing HM Series Suspension System is definitely worth checking out!
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BC Racing - Corporate Logo
T#:47576366
Part#: I-95-ER
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$ 1,955.00 USD
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$ 1,955.00 USD
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The BC Racing ER Series Coilover System is the next evolution in your suspension tuning and vehicle setup needs. The ER Series offers 30-clicks of independently adjustable compression and rebound with remote reservoirs to increase oil capacity and help with faster heat dissipation. Each ER Series Coilover System undergoes the same rigorous testing and development as the coilover series that precede it, with the addition of more extensive real-world track testing. For racers and enthusiasts that are looking for more adjustability in terms of varying compression and rebound settings, look no further than the BC Racing ER Series Coilover System.
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BC Racing - Corporate Logo
T#:47576359
Part#: I-154-RM
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$ 1,515.00 USD
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$ 1,515.00 USD
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The BC Racing RM Series Coilover System uses a mono-tube inverted damper in the front and rear of vehicles that use McPherson style OEM strut suspension. On vehicles that use front struts only, BC Racing provides an inverted front strut and then provides an upright BR Series damper for the rear. Inverted dampers are useful in decreasing unsprung weight by moving the greatest mass of the strut to the top where it connects to the sprung weight of the chassis, where weight can be more easily shaved. The BC Racing RM Series Coilover System uses a much larger inverted piston shaft that can handle higher lateral loads for longer periods of time without fatigue. These higher lateral loads are only prevalent on McPherson style strut suspension, not on Double A-Arm vehicles.
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BC Racing - Corporate Logo
T#:47439375
Part#: I-29-DS
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$ 1,415.00 USD
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$ 1,415.00 USD
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BC Racing's new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g., roll, pitch, dive, and quick weight transitions on technical road courses. For The Ultimate In Driver Feel - Choose BC Racing DS Series Coilovers.
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BC Racing - Corporate Logo
T#:47439426
Part#: I-86-DS
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$ 1,415.00 USD
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$ 1,415.00 USD
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BC Racing's new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g., roll, pitch, dive, and quick weight transitions on technical road courses. For The Ultimate In Driver Feel - Choose BC Racing DS Series Coilovers.
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BC Racing - Corporate Logo
T#:47439436
Part#: I-49-RM
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$ 1,515.00 USD
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$ 1,515.00 USD
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The BC Racing RM Series Coilover System uses a mono-tube inverted damper in the front and rear of vehicles that use McPherson style OEM strut suspension. On vehicles that use front struts only, BC Racing provides an inverted front strut and then provides an upright BR Series damper for the rear. Inverted dampers are useful in decreasing unsprung weight by moving the greatest mass of the strut to the top where it connects to the sprung weight of the chassis, where weight can be more easily shaved. The BC Racing RM Series Coilover System uses a much larger inverted piston shaft that can handle higher lateral loads for longer periods of time without fatigue. These higher lateral loads are only prevalent on McPherson style strut suspension, not on Double A-Arm vehicles.
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BC Racing - Corporate Logo
T#:50066866
Part#: I-155-ZX
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New Item
$ 2,595.00 USD
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$ 2,595.00 USD
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Enhance your suspension setup with BC Racing coilovers, configured with 5kg/mm front and 6kg/mm rear spring rates to deliver a composed balance between ride quality and performance-focused handling. Utilizing BC Racing’s monotube damper design, this coilover system improves damping response, minimizes body roll, and provides consistent feedback compared to factory suspension components. The spring rate combination favors a compliant front with a slightly softer rear, resulting in predictable chassis behavior and stable, confidence-inspiring handling for street-oriented performance driving. Ride height adjustment is independent of shock travel, allowing precise stance tuning without compromising suspension geometry or ride comfort. Springs and dampers are properly matched to maintain control and stability whether commuting daily or driving aggressively on back roads. Key Features: Monotube dampers for consistent damping performance 5kg/mm front and 6kg/mm rear spring rates optimized for street handling Independent ride height adjustment Tuned for daily driving with spirited performance capability Durable construction for long-term reliability
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BC Racing - Corporate Logo
T#:46409684
Part#: I-149-BR
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$ 1,215.00 USD
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$ 1,215.00 USD
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Looking for coilovers that will provide reliability on street-driven vehicles but are also capable of feeding your weekend track demon's desire for performance? BC Racing's BR Series coilover kit may be just the thing for you.
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BC Racing - Corporate Logo
T#:46409681
Part#: I-154-BR
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$ 1,215.00 USD
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$ 1,215.00 USD
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Looking for coilovers that will provide reliability on street-driven vehicles but are also capable of feeding your weekend track demon's desire for performance? BC Racing's BR Series coilover kit may be just the thing for you.
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BC Racing - Corporate Logo
T#:47439432
Part#: I-96-DS
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$ 1,445.00 USD
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$ 1,445.00 USD
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BC Racing's new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g., roll, pitch, dive, and quick weight transitions on technical road courses. For The Ultimate In Driver Feel - Choose BC Racing DS Series Coilovers.
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BC Racing - Corporate Logo
T#:50731697
Part#: I-148-BR
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$ 1,215.00 USD
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$ 1,215.00 USD
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Affordable, adaptable, and built with the enthusiast in mind, the BC Racing BR Series is a proven gateway into true coilover performance. Every application benefits from extensive chassis testing and continual refinement, resulting in a setup that delivers control, confidence, and everyday usability right out of the box. Instead of relying on overly stiff spring packages, BC focuses on rates that improve handling while keeping the car livable. Matched with carefully developed damper valving, the ride feels composed and predictable rather than harsh. A mono-tube design helps control heat and maintain consistent damping under demanding conditions. The linear piston profile provides transparent feedback as grip builds, and independent ride height adjustment allows changes to stance without sacrificing travel or upsetting balance. With 30 clicks of simultaneous compression and rebound adjustment, you get a huge range of tuning—from comfortable daily duty to focused performance driving in just seconds. Key Features Highly configurable setup 6.5KG front / 10KG rear spring rates Mono-tube damper construction Linear piston and damping curve Independent ride height adjustment 30-position compression/rebound tuning Front camber plates on applicable kits Rear camber solutions for select vehicles Custom spring rates and Swift compatibility Optional custom valving Fully rebuildable Supported by a 2-year manufacturer warranty
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BC Racing - Corporate Logo
T#:555842
Part#: I-27-BR
Back Ordered
4% off MSRP $ 1,245.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,195.00 USD
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4% off MSRP
$ 1,245.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,195.00 USD
Free Shipping

Looking for coilovers that will provide reliability on street driven vehicles but are also capable of feeding your weekend track demon's desire for performance? BC Racing's BR Series coilover kit may be just the thing for you.

BR Series coilovers are the most popular and versatile option offered by BC racing, offering features such as 30-level dampening adjustment (simultaneous compression and rebound control), linear springs where possible, and a minimum of 2 inches ride height drop. To ensure performance, comfort, and quality, all BR Series kits are Dyno tested during the design stage to determine the best valving and spring rates, then installed and tested for a minimum of 6 months. This kit features mounts and brackets that are fully compatible with all stock mounting points and components.

The upper shock/strut mounts are all constructed of 6061-T6 Aluminum for strength and weight savings. BC Racing design 1 of 3 types of upper mounts for each vehicle: Caster/Camber Plates (+/- 3* camber), Camber Plates (+/- 3* camber), and Rubber Mount Plates (NVH reduction). The included mount option for this kit is shown in the kit specs and features below.

Lower shock mounts are powder coated for corrosion protection and constructed of either 6061-T6 aluminum that has been milled from a single piece (fork or bolt eye mount) or of STKM13C steel with all brackets welded robotically.

The included springs come in one of 3 styles: linear, S-barrel, and V-barrel. Linear springs are used in most applications unless limited by the OE design that does not allow the use of linear springs. All spring options are made from SAE9254 steel and have a zinc coating applied under the powder coating for increased spring corrosion protection and long term reliability.

All shock bodies used in the BR Series coilovers use a 53mm shock body (unless noted otherwise) for added strength, performance, and increased fluid capacity. All shocks are then powder coated black chrome for clean styling and corrosion protection.

Specs and Features:

  • 12k Front & 4.5k Rear Spring Rate
  • Linear front & V-Barrel rear springs
  • Valved specifically to spring style and rate
  • Aluminum and Rubber Front Mounts
  • Aluminum and Rubber Rear Mounts
  • Black Powder Coated Components
  • All OE style brackets and mounting for perfect fit
  • 30 Levels of Simultaneous Compression and Rebound Dampening
  • 2 inch minimum and 3+ Inches of total potential drop
  • Great for Track, Street, and any other conditions
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BC Racing - Corporate Logo
T#:46409683
Part#: I-151-BR
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$ 1,215.00 USD
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$ 1,215.00 USD
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Looking for coilovers that will provide reliability on street-driven vehicles but are also capable of feeding your weekend track demon's desire for performance? BC Racing's BR Series coilover kit may be just the thing for you.
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BC Racing - Corporate Logo
T#:47439367
Part#: I-77-DS
Ships in 5 Business Days
$ 1,415.00 USD
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$ 1,415.00 USD
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BC Racing's new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g., roll, pitch, dive, and quick weight transitions on technical road courses. For The Ultimate In Driver Feel - Choose BC Racing DS Series Coilovers.
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BC Racing - Corporate Logo
T#:47439366
Part#: I-74-DS
Back Ordered
$ 1,415.00 USD
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$ 1,415.00 USD
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BC Racing's new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g., roll, pitch, dive, and quick weight transitions on technical road courses. For The Ultimate In Driver Feel - Choose BC Racing DS Series Coilovers.
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BC Racing - Corporate Logo
T#:51320850
Part#: I-90-RM
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New Item
$ 1,515.00 USD
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$ 1,515.00 USD
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For the E46 Convertible enthusiast who demands uncompromised feedback, the BC Racing RM Series offers a professional-grade solution. By moving the oil reservoir away from the wheel hub and brake components, the RM Series manages heat more effectively, preventing "damper fade" during long track sessions. The inclusion of front pillowball camber plates eliminates the compliant factory rubber bushings, providing direct and unmediated steering feel. Because convertibles often suffer from chassis flex, the RM Series' ability to maintain a flat cornering attitude through its stiff 12kg rear spring rate and robust inverted front struts makes it a transformative upgrade for the E46 platform. Key Features: Enhanced Thermal Management: Inverted layout moves fluid away from brake heat to maintain consistent damping performance. Camber Adjustable Top Mounts: Precision-engineered aluminum plates allow for aggressive alignment specs to maximize front-end grip. Patented Concave Locking Ring: Unique design ensures that once ride height is set, the lower mounts remain locked securely. TIG-Welded Durability: High-strength steel shock bodies with a black chrome finish for maximum corrosion resistance. Fully Rebuildable: Every component is individual and replaceable, ensuring the long-term serviceability of the system. Specifications: Vehicle Fitment: 2000–2006 BMW 3-Series (E46) Convertible (Excludes M3). Spring Rates (Default): Front: 6 kg/mm | Rear: 12 kg/mm. Damping Curve: Linear. Construction: Heavy-duty steel and 6061-T6 aluminum. Warranty: 2-Year limited warranty against manufacturer's defects.
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BC Racing - Corporate Logo
T#:46409673
Part#: I-95-BR
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$ 1,215.00 USD
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$ 1,215.00 USD
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Looking for coilovers that will provide reliability on street-driven vehicles but are also capable of feeding your weekend track demon's desire for performance? BC Racing's BR Series coilover kit may be just the thing for you.
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KW Suspension - Corporate Logo
T#:338396
Part#: TMS338396
Back Ordered
Starting at $ 4,584.00 USD
Starting at $ 4,584.00 USD
Adjustable Rebound & Compression Damping, Front Camber Plates & Stiffer Springs

Must have 3 Bolt Upper Strut Mount

KW Clubsport coilovers was developed for F22 M235i Coupe owners who demand a better handling car when participating in track day events, but also require a setup that could be used every day. The Clubsport was specifically designed for the Nordschleife using track day tires. By using the adjustable camber mounts, the suspension geometry can be adjusted to the requirements of tires and the intended use. The mentioned adjustment options combined with the independently adjustable rebound and compression damping technology allow a suspension setup according to the vehicle load, tire characteristics and different track conditions. KW Clubsport meets every demand regarding a coilover for the usage on the road and the race track.

KW Clubsport suspension kits are independently adjustable in compression and rebound and include high performance racing springs. Racing front camber plates are included for further performance. KW Clubsport guarantees excellent handling, best performance, highest agility and fantastic lap times.
  • Height adjustable coilovers - Front - 40-65mm, Rear - 30-60mm
  • Performance setup for the racetrack
  • Dampers in compression & rebound forces independently adjustable
  • Use of high performance linear race springs: Front 457 lbs/inch, Rear 685 lbs/inch.
  • Stainless steel technology "inox-line"
  • Includes front camber plate mounts
    Fitment Note: Wheel spacers may be required depending on wheel/tire sizing and ride height setting.
    EDC must be disabled using the included KW EDC Cancellation Kit or a similar unit. This is a direct install for cars without the factory EDC.

    Choose:
    2-way (Rebound/Compression) adjustable shocks
    or
    3-way(Rebound/Low-Speed Compression/High-Speed Compression).


    KW Clubsport Development and Testing




    This item fits the following BMWs:
    2014-1/2015 F22 BMW 228i M235i
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    BC Racing - Corporate Logo
    T#:47576363
    Part#: I-155-RM
    Back Ordered
    $ 1,515.00 USD
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    $ 1,515.00 USD
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    The BC Racing RM Series Coilover System uses a mono-tube inverted damper in the front and rear of vehicles that use McPherson style OEM strut suspension. On vehicles that use front struts only, BC Racing provides an inverted front strut and then provides an upright BR Series damper for the rear. Inverted dampers are useful in decreasing unsprung weight by moving the greatest mass of the strut to the top where it connects to the sprung weight of the chassis, where weight can be more easily shaved. The BC Racing RM Series Coilover System uses a much larger inverted piston shaft that can handle higher lateral loads for longer periods of time without fatigue. These higher lateral loads are only prevalent on McPherson style strut suspension, not on Double A-Arm vehicles.
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    BC Racing - Corporate Logo
    T#:51355992
    Part#: I-121-ER
    Back Ordered
    New Item
    $ 1,955.00 USD
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    $ 1,955.00 USD
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    For the E46 M3 enthusiast looking to bridge the gap between a high-end street car and a dedicated race machine, the BC Racing ER Series offers a "motorsport-first" engineering approach. By moving the secondary damping piston to the external canister, the system maintains its integrity under high-stress conditions. This is especially beneficial for the M3 Convertible, where the high 12kg rear spring rate helps counteract the platform's inherent weight and chassis flex, providing a flat and predictable cornering attitude. The system includes front pillowball camber plates as standard, eliminating the compliant factory rubber bushings to provide direct, unmediated steering feedback and allowing for aggressive track-ready alignment settings. Key Features: Reduced Damping Fade: External canisters keep fluid cooler by increasing the distance from hot brake components. Camber Adjustable Top Mounts: Precision-engineered aluminum plates allow for surgical alignment and increased turn-in bite. Patented Concave Locking Ring: BC Racing’s unique design ensures lower mounts remain securely locked, even under extreme vibration. Linear Piston Architecture: Provides a predictable and consistent damping feel for better driver confidence at the limit. Serviceable Construction: All components are individual and fully replaceable, ensuring the long-term serviceability of the system. Specifications: Vehicle Fitment: 2000–2006 BMW M3 (E46) Convertible / Coupe. Spring Rates (Default): Front: 8 kg/mm | Rear: 12 kg/mm. Spring Type: High-strength SAE9254 cold-wound steel. Construction: Black chrome-plated steel bodies for maximum corrosion resistance and anodized 6061-T6 aluminum. Warranty: 1-Year limited manufacturer's warranty.
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    BC Racing - Corporate Logo
    T#:47439396
    Part#: I-68-HM
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    $ 2,565.00 USD
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    $ 2,565.00 USD
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    The BC Racing HM Series Coilover System gets its great qualities from a combination of two previous BC Racing Coilover Systems - the RM Series and ER Series. The HM Series uses an inverted mono-tube damper, just like the RM Series, but adds the independent compression and rebound adjustment of the ER Series. Each HM Series Coilover System uses inverted mono-tube dampers front and rear on McPherson strut vehicles with steel braided lines leading from the top of the damper to the external reservoirs. The external reservoirs allow for a higher oil capacity with the added benefit of increased thermal dissipation, they also house the secondary damping piston. For Subarus and other McPherson suspension vehicles that are heavily tracked, the BC Racing HM Series Suspension System is definitely worth checking out!
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    BC Racing - Corporate Logo
    T#:46409688
    Part#: I-141-BR
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    $ 1,215.00 USD
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    $ 1,215.00 USD
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    Looking for coilovers that will provide reliability on street driven vehicles but are also capable of feeding your weekend track demon's desire for performance? BC Racing's BR Series coilover kit may be just the thing for you.
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    BC Racing - Corporate Logo
    T#:47473681
    Part#: I-151-RM
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    $ 1,515.00 USD
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    $ 1,515.00 USD
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    The BC Racing RM Series Coilover System uses a mono-tube inverted damper in the front and rear of vehicles that use McPherson style OEM strut suspension. On vehicles that use front struts only, BC Racing provides an inverted front strut and then provides an upright BR Series damper for the rear. Inverted dampers are useful in decreasing unsprung weight by moving the greatest mass of the strut to the top where it connects to the sprung weight of the chassis, where weight can be more easily shaved. The BC Racing RM Series Coilover System uses a much larger inverted piston shaft that can handle higher lateral loads for longer periods of time without fatigue. These higher lateral loads are only prevalent on McPherson style strut suspension, not on Double A-Arm vehicles.
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    BC Racing - Corporate Logo
    T#:51356033
    Part#: I-119-RM
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    New Item
    $ 1,515.00 USD
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    $ 1,515.00 USD
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    For the serious enthusiast, the BC Racing DS Series for the U11 BMW X1 FWD offers a "no-compromise" approach to suspension geometry and thermal stability. By utilizing high-strength SAE9254 cold-wound steel springs, this system provides a highly consistent spring rate that resists deformation even under heavy, long-term use. The digressive damping architecture is specifically tuned to stabilize the X1's high center of gravity, providing a "planted" car-like feel that inspires confidence on technical roads. Every DS Series kit is hand-assembled and fully rebuildable, featuring bearing-mounted spring platforms to eliminate "spring binding" or popping noises during low-speed steering maneuvers. Key Features: Enhanced Body Control: Targeted damping profile specifically reduces the "wallow" associated with factory SUV suspension. Camber Adjustable Top Mounts: Precision-engineered aluminum alloy plates provide unmediated feedback and allow for aggressive alignment specs. Patented Locking Ring: Features a concave lower locking ring that prevents the system from vibrating loose under intense conditions. Thermal Management: Mono-tube architecture and high-quality fluid ensure the valving remains consistent during aggressive driving sessions. Serviceable Construction: All components are individual and replaceable, ensuring the long-term serviceability of the system. Specifications: Vehicle Fitment: 2022+ BMW X1 (U11) Front-Wheel Drive (FWD). Spring Rates (Default): Front: 5.5 kg/mm | Rear: 6.5 kg/mm. Damping Architecture: 1-Way Adjustable (30 Clicks). Build Material: TIG-welded heavy-gauge steel and CNC-machined aluminum. Warranty: 1-Year limited manufacturer's warranty.
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    BC Racing - Corporate Logo
    T#:47576367
    Part#: I-97-DS
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    $ 1,415.00 USD
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    $ 1,415.00 USD
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    BC Racing's new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g., roll, pitch, dive, and quick weight transitions on technical road courses. For The Ultimate In Driver Feel - Choose BC Racing DS Series Coilovers.
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    BC Racing - Corporate Logo
    T#:51320855
    Part#: I-90-ER
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    New Item
    $ 1,955.00 USD
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    $ 1,955.00 USD
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    For the E46 Convertible enthusiast looking to bridge the gap between a high-end street car and a dedicated race machine, the BC Racing ER Series offers uncompromised performance. By moving the secondary damping piston to the external canister, the system maintains its integrity under high-stress, high-temperature conditions. This is especially beneficial for the E46 Convertible, where the added 12kg rear spring rate helps counteract the platform's inherent weight distribution and chassis flex. The system features bearing-mounted spring platforms to eliminate the friction and "spring binding" often felt during tight steering maneuvers. Every ER Series kit is hand-assembled with precision and is fully rebuildable, ensuring it remains a long-term investment in the performance of your BMW. Key Features: Reduced Damping Fade: Strategic fluid placement keeps oil cooler, preserving valving accuracy during extended spirited driving. Camber Adjustable Top Mounts: High-quality aluminum plates eliminate the "mushy" feel of factory rubber bushings for direct driver feedback. Patented Concave Locking Ring: BC Racing’s unique design ensures lower mounts remain securely locked, even under extreme vibration. Customization Ready: Fully compatible with Swift Spring upgrades and custom valving tailored to specific tire or aero setups. Serviceable Construction: All components are individual and fully replaceable directly through BC Racing North America. Specifications: Vehicle Fitment: 2000–2006 BMW 3-Series (E46) Convertible (Excludes M3). Spring Rates (Default): Front: 6 kg/mm | Rear: 12 kg/mm. Spring Type: High-strength SAE9254 cold-wound steel. Construction: 304 Stainless Steel and 6061-T6 Anodized Aluminum. Warranty: 2-Year limited manufacturer's warranty.
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    BC Racing - Corporate Logo
    T#:47576361
    Part#: I-153-ER
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    $ 1,955.00 USD
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    $ 1,955.00 USD
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    The BC Racing ER Series Coilover System is the next evolution in your suspension tuning and vehicle setup needs. The ER Series offers 30-clicks of independently adjustable compression and rebound with remote reservoirs to increase oil capacity and help with faster heat dissipation. Each ER Series Coilover System undergoes the same rigorous testing and development as the coilover series that precede it, with the addition of more extensive real-world track testing. For racers and enthusiasts that are looking for more adjustability in terms of varying compression and rebound settings, look no further than the BC Racing ER Series Coilover System.
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    BC Racing - Corporate Logo
    T#:47439433
    Part#: I-104-DS
    Back Ordered
    $ 1,415.00 USD
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    $ 1,415.00 USD
    Free Shipping
    BC Racing's new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g., roll, pitch, dive, and quick weight transitions on technical road courses. For The Ultimate In Driver Feel - Choose BC Racing DS Series Coilovers.
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    BC Racing - Corporate Logo
    T#:47439435
    Part#: I-130-DS
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    $ 1,415.00 USD
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    $ 1,415.00 USD
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    BC Racing's new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g., roll, pitch, dive, and quick weight transitions on technical road courses. For The Ultimate In Driver Feel - Choose BC Racing DS Series Coilovers.
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    KW Suspension - Corporate Logo
    T#:339944
    Part#: 1022000ABX
    Back Ordered
    Starting at $ 2,384.00 USD
    Starting at $ 2,384.00 USD
    Factory Pre-set Damping

    The Variant 1 is KW's basic simple and effective coil over kit that is still packed with lots of features -
  • Pre-set damping optimized for a blend of ride comfort and handling with less bodyroll than the standard suspension,
  • Stainless steel strut/shock bodies and composite spring perches for superior corrossion resistance,
  • Individually height-adjustable - Front = 25-50mm lowering; Rear = 30-55mm lowering,
  • TUV approved lowering range and operation,
  • Expert engineering and design for ease-of-use and long durability,
    This is the ideal coil over kit for a F31 328i xDrive Wagon owner who does not plan on tracking or autocrossing the car and just wants a lower, more aggressive stance and better handling. KW has set the shock damping rates to be an excellent balance for a smooth yet taut ride, and to resist bodyroll motions for better handling. The Variant 1 differs from the Street Comfort set in that it has stiffer springs and revised shock settings. If you want a sportier ride and better handling than stock the Variant 1 is an excellent choice.

    Coil over suspensions are better engineered suspension options compared to a standard shock + spring package. Since the springs and shocks in a coil over are designed by a team of engineers to work together, there is much better suspension travel and more precisely tuned specifications for spring and shock rates. Using separate shock and spring specs may result in premature coil bind or shock bottoming. And most coil over kits offer more features than the traditional packages. Coil overs are also more useful when larger wheels/tires are used because you can precisely set the ride heights to clear the new tires.

    Fitment Note: Wheel spacers may be required depending on wheel/tire sizing and ride height setting.
    Cars with the factory EDC electronic adjustable shocks must have the system disabled with the optional KW EDC Cancellation Kit (or similar). This is a direct fit for cars without EDC.

    Lifetime warranty!




    These KW Variant 1 coil overs fit the following BMWs:
    2012+ F31 BMW 328i xDrive - Wagon
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    BC Racing - Corporate Logo
    T#:46409680
    Part#: I-153-BR
    Back Ordered
    $ 1,215.00 USD
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    $ 1,215.00 USD
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    Looking for coilovers that will provide reliability on street-driven vehicles but are also capable of feeding your weekend track demon's desire for performance? BC Racing's BR Series coilover kit may be just the thing for you.
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    BC Racing - Corporate Logo
    T#:46753509
    Part#: I-154-DS
    Back Ordered
    $ 1,415.00 USD
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    $ 1,415.00 USD
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    The DS series from BC racing offers increased control and feedback for those looking to achieve the best driving experience possible. Digressive Valving means the shock is firmer at low speed, while transitioning to a softer and more linear feel as (shaft) speed increases. This leads to a much more planted and controlled feeling in the chassis, increased feedback through the wheel, and a slight drop in passenger comfort.
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    BC Racing - Corporate Logo
    T#:51356002
    Part#: I-121-ZR
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    New Item
    $ 2,865.00 USD
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    $ 2,865.00 USD
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    For the professional-level racer or the extreme enthusiast, the BC Racing ZR Series addresses the unique geometric and thermal requirements of the E46 M3 platform. By utilizing inverted front struts with a massive 42mm piston shaft, the ZR Series provides extreme structural rigidity, preventing geometry deflection under heavy braking and cornering loads. The 3-way adjustment allows the driver to "dial in" the car for specific obstacles; for instance, softening high-speed compression to soak up aggressive curbing while keeping low-speed compression firm for immediate turn-in response. Combined with standard pillowball top mounts, this system eliminates the "mushy" feel of factory rubber, providing direct, unmediated feedback to the driver. Key Features: Reduced Damper Fade: Remote external canisters move fluid away from hot brake components to ensure consistent lap times. Camber Adjustable Top Mounts: High-quality aluminum plates allow for aggressive track alignments to maximize the tire contact patch. Pillowball Rear Mounts: Replaces rubber bushings with solid spherical bearings for increased response and precision. Patented Concave Locking Ring: BC Racing’s unique design ensures lower mounts remain securely locked, even under extreme track vibration. Fully Rebuildable: Every component is individual and replaceable, making this a long-term investment in the car's competitive potential Specifications: Vehicle Fitment: 2000–2006 BMW M3 (E46) Convertible / Coupe. Spring Rates (Default): Front: 8 kg/mm | Rear: 12 kg/mm. Construction: TIG-welded steel and CNC-machined aluminum. Adjustment Range: 3-Way Independent (Rebound / Low-Speed Compression / High-Speed Compression). Warranty: 1-Year manufacturer’s warranty against defects.
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    BC Racing - Corporate Logo
    T#:50731709
    Part#: I-123-BR
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    New Item
    $ 1,215.00 USD
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    $ 1,215.00 USD
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    Step up to a real coilover system without blowing the budget with the BC Racing BR Series. Developed through extensive chassis testing and ongoing refinement, this kit is built to deliver sharper handling, everyday comfort, and the durability enthusiasts expect when the miles—and the pace—start adding up. BC avoids the trap of flashy, overly stiff spring specs and instead selects rates that preserve compliance while significantly improving body control. Matched damper valving ties the package together, producing a ride that feels planted, predictable, and easy to live with day after day. The mono-tube design resists heat fade during aggressive use, and the linear piston profile ensures smooth, consistent feedback as cornering loads increase. Because ride height is adjusted independently from preload, you can dial in the stance you want without compromising travel or upsetting the car’s balance. With 30 clicks of simultaneous compression and rebound adjustment, the BR Series covers a wide spectrum of driving styles—from daily commuting to serious weekend work. Key Features Highly customizable configuration 10KG front / 5KG rear spring rates Mono-tube shock construction Linear piston and damping characteristics Independent ride height adjustment 30-position compression and rebound tuning Front camber plates standard on applicable kits Rear camber solutions for select vehicles Custom spring rates and Swift compatibility Optional custom or matched valving Fully rebuildable design Protected by a 2-year manufacturer warranty
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    BC Racing - Corporate Logo
    T#:51356035
    Part#: I-111-DS
    Back Ordered
    New Item
    $ 1,415.00 USD
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    $ 1,415.00 USD
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    For the serious BMW enthusiast, the BC Racing DS Series for the E89 Z4 offers a "no-compromise" approach to suspension geometry and thermal stability. By utilizing high-strength SAE9254 cold-wound steel springs, this system provides a highly consistent spring rate that resists deformation over long-term use. The digressive damping architecture is specifically tuned to stabilize the Z4’s low-slung chassis, providing sharp turn-in and unmediated steering feedback. Every DS Series kit is hand-assembled and fully rebuildable, featuring bearing-mounted spring platforms to eliminate "spring binding" or popping noises during low-speed maneuvers. Key Features: Enhanced Body Control: Targeted damping profile specifically reduces the "wallow" and float associated with factory suspension. Pillowball Top Mounts: High-quality aluminum alloy mounts provide direct driver feedback and eliminate factory rubber compliance. Patented Locking Ring: Features a concave lower locking ring that prevents the system from vibrating loose even under track conditions. Customization Ready: Fully compatible with custom spring rates and Swift Spring upgrades for tailored track setups. Fully Rebuildable: All components are individual and replaceable, ensuring the long-term serviceability of the system. Specifications: Vehicle Fitment: 2009–2016 BMW Z4 (E89). Spring Rates (Default): Front: 5.5 kg/mm | Rear: 9 kg/mm. Hardware: Black chromed steel shock bodies with anodized 6061-T6 aluminum components. Damping Range: 30-Way Simultaneous (Compression/Rebound). Build Type: Hand-assembled with 1.5mm wall thickness TIG-welded brackets.
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    BC Racing - Corporate Logo
    T#:49023077
    Part#: C-165-ER
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    $ 1,955.00 USD
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    $ 1,955.00 USD
    Free Shipping
    The BC Racing ER Series Coilover System is the next evolution in your suspension tuning and vehicle setup needs. The ER Series offers 30-clicks of independently adjustable compression and rebound with remote reservoirs to increase oil capacity and help with faster heat dissipation. Each ER Series Coilover System undergoes the same rigorous testing and development as the coilover series that precedes it, with the addition of more extensive real-world track testing. For racers and enthusiasts who are looking for more adjustability in terms of varying compression and rebound settings, look no further than the BC Racing ER Series Coilover System.
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    BC Racing - Corporate Logo
    T#:47576369
    Part#: I-97-ER
    Back Ordered
    $ 1,955.00 USD
    Free Shipping
    $ 1,955.00 USD
    Free Shipping
    The BC Racing ER Series Coilover System is the next evolution in your suspension tuning and vehicle setup needs. The ER Series offers 30-clicks of independently adjustable compression and rebound with remote reservoirs to increase oil capacity and help with faster heat dissipation. Each ER Series Coilover System undergoes the same rigorous testing and development as the coilover series that precede it, with the addition of more extensive real-world track testing. For racers and enthusiasts that are looking for more adjustability in terms of varying compression and rebound settings, look no further than the BC Racing ER Series Coilover System.
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    BC Racing BR Series Coilover Suspension Kit - 2014-2022 BMW i3 ...
    Custom built to order - 3-4 week estimated lead time
    BC Racing - Corporate Logo
    T#:4042154
    Part#: I-91-BR
    Back Ordered
    $ 1,195.00 USD
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    $ 1,195.00 USD
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    The BC Racing BR Series offers the most affordable entry into coilover suspension without sacrificing performance, comfort, build quality, vehicle height, or handling. This is done by extensively testing each vehicle then refining the coilover characteristics as many times as needed to ensure the most well-balanced and affordable aftermarket suspension conceivable. BC Racing takes great pride in choosing spring rates for our off-the-shelf kits that strike the perfect balance between comfort and performance so you're never stuck with an oversprung suspension like many other brands sell. BC Racing offers one of the widest ranges of damping adjustment with 30-clicks of compression/rebound adjusted simultaneously on the BR Series. With meticulously chosen spring rates, damper valving, and one of the widest adjustment ranges in the industry, you can't go wrong with the BC Racing BR Series Coilover System.
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    BC Racing - Corporate Logo
    T#:4042164
    Part#: I-94
    Back Ordered
    $ 1,410.00 USD
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    $ 1,410.00 USD
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    The BC Racing BR Series offers the most affordable entry into coilover suspension without sacrificing performance, comfort, build quality, vehicle height, or handling. This is done by extensively testing each vehicle then refining the coilover characteristics as many times as needed to ensure the most well-balanced and affordable aftermarket suspension conceivable. BC Racing takes great pride in choosing spring rates for our off-the-shelf kits that strike the perfect balance between comfort and performance so you're never stuck with an oversprung suspension like many other brands sell. BC Racing offers one of the widest ranges of damping adjustment with 30-clicks of compression/rebound adjusted simultaneously on the BR Series. With meticulously chosen spring rates, damper valving, and one of the widest adjustment ranges in the industry, you can't go wrong with the BC Racing BR Series Coilover System.
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