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BC Racing BMW Coilovers for Street Use

There are several coilover options on the market - while a lot of this decision boils down to preference, we categorize coilovers as aEURoestreetaEUR based on price and comfort level. Coilovers in our street category will be comfortable enough to use on your daily driver, but perform well enough to handle occasional autocross days and light track use. These coilovers also won't break the bank. However, many of the options we have under street coilovers share many of the same features as our track coilovers, they often just utilize less durable materials and won't hold up as well to torcher testing.
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ZX Series Coilover Suspension Kit - F31 (3-Bolt Top Mounts)
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For Vehicles With 3-Bolt Top Mounts
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T#:51320841
Part#: I-114-ZX
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$ 2,595.00 USD
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For the F31 Touring owner who demands a professional-grade suspension setup, the BC Racing ZX Series delivers unparalleled driver feedback and thermal stability. By moving the compression valving to the external canisters, the system can better manage the extreme temperatures generated during track use, ensuring that damping rates remain consistent from the first lap to the last. The 3-way adjustment allows for specialized tuning; for instance, softening high-speed compression to handle curbing while keeping low-speed compression firm for sharp turn-in and minimal body roll. This level of control, paired with a significant reduction in unsprung weight via strategic component design, transforms the F31 into a remarkably poised and highly responsive racing machine. Key Features: Triple-Valved Control: 30 clicks of Rebound, 15 clicks of High-Speed Compression, and 15 clicks of Low-Speed Compression. Thermal Management: External reservoirs keep fluid cooler, extending the life of the oil and maintaining valving consistency. Reduced Unsprung Weight: Lightweight aluminum components where possible to improve wheel tracking over high-speed imperfections. Custom Valving Available: Valving can be paired specifically for custom spring rates or Swift Spring upgrades. Fully Rebuildable: Every component is individual and replaceable, making this a long-term investment for a competitive chassis. Specifications: Vehicle Fitment: 2012–2019 BMW 3-Series (F31) Touring / Wagon (3-Bolt Top Mount models). Spring Rates (Default): Front: 6 kg/mm | Rear: 10 kg/mm. Spring Options: Customizable from 6kg to 30kg+ to suit specific aero or tire requirements. Damping Architecture: Mono-tube with external canisters. Adjustment Type: Independent ride height and 3-way damping.
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BC Racing HM Series Coilover Suspension Kit - 5-Bolt Top Mounts - 201...
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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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ZX Series Coilover Suspension Kit - E93
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T#:50066868
Part#: I-153-ZX
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$ 2,595.00 USD
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$ 2,595.00 USD
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Take command of your chassis with BC Racing coilovers, featuring 6kg/mm front and 10kg/mm rear spring rates for a perfect balance of ride comfort and performance-oriented handling. Built around BC Racing’s monotube damper design, this coilover system provides sharper damping response, reduced body roll, and consistent feedback compared to factory suspension. The spring combination offers a compliant front end with a slightly firmer rear, promoting predictable handling and stable, confidence-inspiring performance for street and spirited driving. Independent ride height adjustment lets you dial in stance without compromising shock travel or ride quality. Matched springs and dampers work together to keep the car composed whether you’re commuting, carving back roads, or pushing hard on spirited drives. Why it stands out: Monotube dampers for consistent, reliable performance 6kg/mm front, 10kg/mm rear spring rates for balanced handling Fully independent ride height adjustment for precise setup Tuned for everyday driving with spirited performance capability Durable construction built for long-term use
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BC Racing RM Series Coilover Suspension Kit - BMW G29 Z4 RWD ...
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T#:47576368
Part#: I-97-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 BR Series Coilover Suspension Kit - 2014-2022 BMW i3 ...
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Custom built to order - 3-4 week estimated lead time
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T#:4042154
Part#: I-91-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 RM Series Coilover Suspension Kit - BMW E93 M3 (with EDC) ...
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T#:47576358
Part#: I-153-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 HM Series Coilover Suspension Kit - 3-Bolt Top Mount - BMW ...
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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 BR Series Coilover Suspension Kit - U11 X1 FWD
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T#:51356033
Part#: I-119-RM
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$ 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 HM Series Coilover Suspension Kit - E46 M3 Convertible ...
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T#:51355994
Part#: I-121-HM
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For the E46 M3 Convertible owner who demands uncompromised geometry control, the BC Racing HM Series offers a motorsport-first engineering solution. By utilizing an inverted strut layout with a much larger internal piston shaft, the HM Series excels in maintaining wheel alignment during extreme lateral cornering—a critical factor for the MacPherson strut-equipped M3. The addition of external reservoirs ensures the damping fluid remains cool, preserving valving accuracy lap after lap. Standard front pillowball camber plates eliminate factory rubber "mush," providing direct and unmediated steering feedback. Because convertibles often require higher roll stiffness to compensate for chassis flex, the HM Series’ 12kg rear spring rate provides the stability needed to keep the car planted and responsive. Key Features: Enhanced Side-Load Resistance: The inverted design handles high lateral loads longer than traditional upright dampers without fatigue. Reduced Damper Fade: External canisters move fluid away from brake heat to maintain consistent lap times. 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 track conditions. Fully Rebuildable: All components are individual and replaceable, ensuring the long-term serviceability of the system. Specifications: Vehicle Fitment: 2000–2006 BMW M3 Convertible (E46 Chassis). Spring Rates (Standard): Front: 8 kg/mm | Rear: 12 kg/mm (Swift Springs). Hardware: Black chrome-plated steel shock bodies and 6061-T6 aluminum components. Adjustment Type: Independent ride height, spring preload, and 2-way damping. Warranty: 1-Year limited manufacturer's warranty.
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BC Racing ER Series Coilover Suspension Kit - BMW F34 328i RWD ...
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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 ER Series Coilover Suspension Kit - MK5 A90/91 (19-24) Toyo...
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T#:49023077
Part#: C-165-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 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 BR Series Coilover Suspension Kit - E84 X1 sDrive28i ...
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T#:555836
Part#: I-40-BR
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$ 1,195.00 USD
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$ 1,195.00 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.

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:

  • 7k Front & 11k Rear Spring Rate
  • S-Barrel front & Linear rear springs
  • Valved specifically to spring style and rate
  • Camber Plate 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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