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BR Series Coilover Suspension Kit - G16 8-Series GC

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For Gran Coupe AWD models only

T#:50731709

Part#: I-123-BR

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$ 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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Bilstein Suspension Shock Absorber - 23-400474 - G30 M550i xDrive ...

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T#:49613496

Part#: 23-400474

Ships in 4 Business Days

$ 569.00 USD

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$ 569.00 USD

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Renew the performance of your suspension with new shock absorbers.

BC Racing RM Series Coilover Suspension Kit - E60 525xi 528xi 530xi 5...

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T#:47439427

Part#: I-86-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 DS Series Coilover Suspension Kit - 51mm Front Struts (Weld...

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T#:25009233

Part#: I-43-DS

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$ 1,395.00 USD

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$ 1,395.00 USD

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The DS Series Coilovers use a proprietary digressive piston design that offers the driver increased damping force at low-speed 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. You will notice a much more planted and confident chassis feel, with increased feedback through the steering wheel. To evoke the passion for driving that all automotive enthusiasts have embedded in their DNA, BC Racing took the best features from Their BR Series Coilover, engineered components to improve driver experience, conducted in-house testing, approved the product, determined a reasonable, affordable price, and proudly present the BC Racing DS Series Coilover for 350+ vehicles, from the Toyota Camry to the Nissan GT-R and beyond, BC Racing has a DS Series Coilover system for you. The DS Series is available for a vast number of vehicles and with that, an equal number of customization options as well. The BC Racing DS Series Coilover can be customized for every type of racing imaginable, from the weekend track warrior to the full-time race car.

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BC Racing DS Series Coilover Suspension Kit - 5-Bolt Top Mounts - F32...

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T#:47439428

Part#: I-85-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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Febi Strut Mounting Kit With Ball Bearing & Add-On Material - 3130407...

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T#:56580194

Part#: 31304074653

Special Order: No Guaranteed ETA

$ 56.99 USD

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$ 56.99 USD

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Eliminate unwanted suspension slop and restore crisp, precise handling to your BMW with the Febi Front Strut Mount Kit.

AST 5200 Series Coilovers - E9X M3

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T#:24643799

Part#: RIV-B1603SD

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$ 6,010.00 USD

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$ 6,010.00 USD

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H&R Rear Sway Bar - 16mm - E52 Z8

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T#:369920

Part#: 71380

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$ 299.00 USD

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$ 299.00 USD

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16mm sway bar; bushings included. Reduces body roll Highest tensile strength available H&R Sport Sway Bars are designed for drivers who desire improved handling without lowering or affecting ride quality. H&R Sport Sway Bars increase your suspension's roll stiffness (or its resistance to roll in turns) while maintaining ride comfort and dramatically increasing cornering control, lateral stability, and grip. A unique feature of H&R Sport Sway Bars are the smooth, machined-like forged ends that, for specific vehicles, allow for adjustability in stiffness, giving you an unmatched level of precision and performance.

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BC Racing ER Series Coilover Suspension Kit - E46 M3 Convertible ...

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T#:51355992

Part#: I-121-ER

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$ 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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KONI Yellow Sport Adjustable Struts, Rear Set - E89 Z4 sDrive28i Z4 s...

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T#:385312

Part#: 87411587KT1

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$ 474.99 USD

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$ 474.99 USD

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This Koni Sport Rear Shock Set fits BMW E89 Z4 models. KONl Sport struts and shocks are the industry leader for user adjustable damping for daily drivers to weekend warriors. KONl Sport's familiar yellow color has for decades meant superior motion control and adjustability for the discerning driving enthusiast.

Big handling improvements
Reasonable ride quality
Re-buildable for custom vehicle setups
Best KONl shock for all lowering springs
Lifetime Warranty

Activate your Koni Rebate!

This item fits the following BMWs:
2009+ E89 BMW Z4 sDrive28i Z4 sDrive30i Z4 sDrive35i
Not for cars with Adaptive Drive / VDC or M package

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RM Series Coilover Suspension Kit - E46 Convertible

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T#:51320850

Part#: I-90-RM

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$ 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 BR Series Coilover Suspension Kit - BMW G26 M440i xDrive ...

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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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5-series Strut/Shock Mount Kit - E39 525i/528i/530i with Performance ...

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:338707

Part#: TMS182510

Ships in 1 day

$ 491.99

This product was last offered at the strikethrough price on
08-07-2026

Starting at $ 457.82 USD

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Starting at $ 457.82 USD

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Part of maintaining the precision and crisp handling of your BMW is with refreshing the shock mounts from time to time. The rubber parts that mount the front struts and rear shocks to the chassis suffer from age and mileage just like any other rubber part on the car. Over time they become weak and sloppy and that leads to poor ride characteristics, alignment issues, poor steering feedback and the associated clunks and other noises.

This set of stock mounts replaces the original worn-out shock mounts, bushings, bearings, bump stops, and pads on your existing suspension. We have built this package specifically for use with an aftermarket performance suspension such as our Bilstein/H&R package or other similar performance shocks and springs. This makes a great package when upgrading the non-sport package as the original standard mounts and bushings were not designed for the sport/performance suspension. Installing new mounts with new struts and shocks will ensure proper performance and avoid doing the labor twice if a used mount fails soon after. These are all factory BMW or OEM parts so they fit right and perform just like the factory original parts.

Included in our E39 mount kit is:

front strut bearing dust cap

front strut mount

front upper cupped washer (lower dust cap)

flat washer

front upper spring plate

front upper spring pad

front lower spring pad

rear upper cupped washer

rear shock mount

rear upper spring pad

rear lower cupped washer

rear bump stop

rear lower spring pad note: front bump stops are not included in this package because our Bilstein/H&R suspension includes its own internal bump stops

You save $$ when buying all of these parts as a package!!

Note for 1997-1999 528i, 540i: BMW had a factory recall to replace the front struts and lower spring perches on pre-2000 528i and 540i models. The lower spring perch was redesigned to be stronger and our mount kits cover front struts that have already been replaced under this recall. If yours has not been done we strongly recommend contacting your BMW dealer and having the recall and replacement parts installed. This does not apply to most aftermarket struts, including Bilstein, as their spring perch incorporates the new design.

This item fits the following BMWs:
1997-2003 E39 BMW 525i 528i 530i
with suitable aftermarket sports or performance shocks and springs, H&R, Dinan, Eibach, etc

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3-series Strut/Shock Mount Kit - E36 Convertibles

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:340163

Part#: E36ICMOUNTKIT

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Sale - Save 3% $ 357.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 348.15 USD

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Sale - Save 3%

$ 357.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 348.15 USD

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The E36 3 Series Strut/Shock Mount Kit includes two OEM front strut tower mounts with bearings, two front strut reinforcement plates , front strut tower paper gaskets, two rear shock tower reinforcement plates , ten M8 13mm head Nyloc nuts, a pair of rear shock tower mount gaskets and your choice of three different rear shock mounts.

You can choose from the HD OEM Rear Mounts , the " Repair Shop" Lifetime Warranty Mounts , or the High Performance Aluminum & Rubber Mounts . Any of these mounts are suitable for street use, we recommend the Performance Aluminum & Rubber Mounts for coil-over suspensions or for cars that see a lot of track use.

When you replace spring or shocks & struts in your car, these mounts must be removed and reinstalled anyway. Do it at the same time you replace shocks to save yourself the the increased labor time if they go bad soon after shock/strutinstall.

Choose your product options below.

This item fits the following BMWs:
1994-1998 E36 BMW 318ic 323ic 325ic 328ic M3 Convertible

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OEM Sachs Left Front Suspension Strut - BMW F23 M235i xDrive, F30 335...

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T#:27705447

Part#: 31316874375

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$ 131.99

This product was last offered at the strikethrough price on
05-08-2026

$ 127.99 USD

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$ 127.99 USD

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OEM Sachs replacement front left strut. Restore your suspension without breaking the bank.

BC Racing DS Series Coilover Suspension Kit - F10 5-Series (AWD) ...

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T#:36981066

Part#: I-105-DS

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$ 1,395.00 USD

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$ 1,395.00 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 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 - 2014-2020 BMW i8 ...

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T#:4042164

Part#: I-94

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$ 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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AST 5300 Series Coilovers - E9X M3

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T#:24643800

Part#: RAC-B1603SD

Back Ordered

10% off MSRP $ 8,410.00

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

$ 7,569.00 USD

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10% off MSRP

$ 8,410.00

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

$ 7,569.00 USD

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BC Racing DS Series Coilover Suspension Kit - BMW E88 128i 135i ...

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T#:46753504

Part#: I-149-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 ER Series Coilover Suspension Kit - BMW F44 228i FWD ...

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T#:47576364

Part#: I-155-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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H&R Front & Rear Sway Bar Kit - BMW E39 540i M5

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T#:47610660

Part#: 72539

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10% off MSRP $ 1,220.00

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

$ 1,098.00 USD

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10% off MSRP

$ 1,220.00

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

$ 1,098.00 USD

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H&R Sport Sway Bars are designed for drivers who desire improved handling without lowering or affecting ride quality. H&R Sport Sway Bars increase your suspension's roll stiffness or its resistance to roll in turns while maintaining ride comfort and dramatically increasing cornering control, lateral stability, and grip. A unique feature of H&R Sport Sway Bars are the smooth, machined-like forged ends that, for specific vehicles, allow for adjustability in stiffness, giving you an unmatched level of precision and performance.

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BC Racing BR Series Coilover Suspension Kit - BMW F26 X4 xDrive ...

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T#:555819

Part#: I-66-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:

8k Front & 8k Rear Spring Rate
V-Barrel front & V-Barrel rear springs
Valved specifically to spring style and rate
Reuses Front Mounts
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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ST Suspension Lowering Spring Set - BMW E83

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T#:376328

Part#: 65428

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$ 449.00 USD

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$ 449.00 USD

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Minimize body roll and weight transfer by lowering your car's center of gravity.

H&R Street Performance SS Coilover Kit - E36 318ic 325ic 328ic ...

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We Price Match - Give Us A Call or Chat!

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 ER Series Coilover Suspension Kit - BMW E93 M3 (with EDC) ...

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

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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Bilstein B46 B48 EVO SE B16 Coilover Kit - 49-321067 - F44 228i ...

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:56978004

Part#: 49-321067

Back Ordered

5% off MSRP $ 2,586.00

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

$ 2,464.99 USD

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5% off MSRP

$ 2,586.00

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

$ 2,464.99 USD

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Unleash true track-inspired handling and precision chassis control with the Bilstein B16 performance coilover system.

ST Suspensions Performance Front Sway Bar - 22mm - BMW E30

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T#:380141

Part#: 50010

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$ 369.00 USD

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By increasing torsional rigidity, these bars resist bending and distortion, keeping your tires firmly planted to the pavement.

BC Racing DS Series Coilover Suspension Kit - G30 AWD

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T#:51355985

Part#: I-131-DS

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$ 1,415.00 USD

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For the BMW G30 owner looking to eliminate the "wallow" of factory suspension, the BC Racing DS Series offers a professional-grade motorsport approach. Built from TIG-welded 304 stainless steel and heavy-duty aluminum, this system is designed to withstand the rigors of high-intensity driving. The DS Series includes high-strength SAE9254 cold-wound steel springs, which have been tested through over 500,000 cycles with less than 5% deformation. By moving the secondary damping piston to the digressive valving architecture, the system provides a sharper turn-in and more direct steering feedback. Every DS Series kit is hand-assembled and fully rebuildable, ensuring it remains a long-term performance investment for your BMW. Key Features: Enhanced Chassis Poise: Digressive damping curve specifically combats the weight of the G30 chassis during spirited driving. Pillowball Top Mounts: High-quality aluminum alloy mounts provide direct 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. Bearing-Mounted Spring Platforms: Minimizes "spring binding" or popping during low-speed steering maneuvers. Customization Ready: Fully compatible with custom spring rates and Swift Spring upgrades for tailored track setups. Specifications: Vehicle Fitment: 2017–2023 BMW 5-Series (G30) Sedan AWD / xDrive. Spring Rates (Default): Front: 9 kg/mm | Rear: 4.2 kg/mm. Adjustability: Independent ride height, independent spring preload, and 30-way damping. Maintenance: Fully rebuildable with all replacement parts readily available. Warranty: 1-Year limited manufacturer's warranty.

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Bilstein B4 Front Strut Assembly - 22-317391 - F44 228i

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T#:56977995

Part#: 22-317391

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$ 133.00 USD

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Maintain original chassis balance and sharp driving dynamics with Bilstein's OEM suspension restoration solutions.

BC Racing DS Series Coilover Suspension Kit - BMW F34 328i RWD ...

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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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Bilstein Suspension Shock Absorber - 23-400481 - G30 M550i xDrive ...

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T#:49613498

Part#: 23-400481

Ships in 4 Business Days

$ 569.00 USD

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Fix suspension issues by replacing your shock absorbers.

KW Coilover Kit - Street Comfort - F30 320xi 328xi, F32 428xi ...

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T#:338276

Part#: TMS338276

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Starting at $ 2,454.00 USD

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Starting at $ 2,454.00 USD

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Adjustable Rebound Damping, Sport Comfort Springs

Is your sport suspension kit is too hard for you? Do you want a sporty yet dynamic suspension while retaining ride comfort? With street comfort suspension KW offers you the solution, you can create that sportive look while keeping as much comfort as possible. Long trips on the highway will be a pleasure; fun can be had on county roads.

KW street comfort � The most individual sport suspension with maximum comfort

With the individual height adjustable KW street comfort coilover kit a lowering of 10-40mm can be realized, depending on the vehicle. This way the customer has the flexibility to improve the look, with consideration of bigger wheels and tires. At the same time the lowering has a positive effect on the driving dynamics and road contact. With discreet but effective lowering more spring travel will be left to combine a comfortable spring with harmonic damper, this way the best driving comfort is guaranteed. With this product KW offers the perfect compromise of driving dynamic and driving comfort.

Maximum driving comfort for a perfect performance and more driving pleasure

Guarantees more comfort, flexibility and sportive as regular OE sport suspensions

Comfortable adjustment

Better handling due to less body roll

TUV approved lowering range

Individually height-adjustable - Front - 20-40mm, Rear - 20-40mm

Trapezoid thread for a easy height adjustability

High quality damper components for a long durability

Adjustable rebound damping

Complete detailed documentation for easy use.
When using original tires, wheel spacers may be required.

This item fits the following BMWs:
2012+ F30 BMW 320i xDrive 328d xDrive 328i xDrive - Sedan
2013+ F32 BMW 428i xDrive - Coupe

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Bilstein B6 Performance Shock & Strut Set - E70 X5 3.0si, E71 X6 3.5i...

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T#:5253

Part#: E70E71HDSET

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$ 916.99 USD

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A complete set of Bilstein Heavy Duty shocks for stock springs. Set includes 2 front struts and 2 rear shocks. The Bilstein Heavy Duty (HD) Shock is designed for use with stock springs. These shocks provide improved handling and stability without sacrificing ride comfort.

This item fits the following BMWs:
2007-2013 E70 BMW X5 3.0si, X5 xDrive30i, X5 xDrive35d - except with 3rd row seating
2007-2014 E71 BMW X6 xDrive35i
Not for cars with self-leveling or EDC suspension.

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H&R Front & Rear Sway Bar Kit - E52 Z8

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We Price Match - Give Us A Call or Chat!

T#:578082

Part#: 72380

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$ 649.00 USD

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30mm font bar with 16mm Rear bar; bushings included. Reduces body roll Highest tensile strength available H&R Sport Sway Bars are designed for drivers who desire improved handling without lowering or affecting ride quality. H&R Sport Sway Bars increase your suspension?s roll stiffness?or its resistance to roll in turns?while maintaining ride comfort and dramatically increasing cornering control, lateral stability, and grip. A unique feature of H&R Sport Sway Bars are the smooth, machined-like forged ends that, for specific vehicles, allow for adjustability in stiffness?giving you an unmatched level of precision and performance.

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OEM Sachs Rear Shock Absorber - E39 525i 528i

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T#:376277

Part#: 33521094052

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$ 378.99

This product was last offered at the strikethrough price on
05-07-2026

$ 368.99 USD

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OEM Sachs shocks provide you with the same great ride quality the car originally came with from the factory at a fraction of the cost. This rear shock absorber is a direct replacement for the factory rear suspension.

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BC Racing BR Series Coilover Suspension Kit - F95 X5M, F96 X6M ...

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T#:46409675

Part#: I-159-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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DS Series Coilover Suspension Kit - 55mm Front Strut (Weld-In) - E34 ...

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T#:47439370

Part#: I-28-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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Bilstein Suspension Shock Absorber - 23-400467 - G30 530e

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T#:49613493

Part#: 23-400467

Ships in 4 Business Days

$ 469.00 USD

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Restore the original ride quality of your vehicle with new shock absorbers.

BC Racing RM Series Coilover Suspension Kit - 5-Bolt Top Mounts - F32...

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T#:47439429

Part#: I-85-RM

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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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BR Series Coilover Suspension Kit

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For GT RWD model 5-series

T#:50731692

Part#: I-110-BR

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$ 1,215.00 USD

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$ 1,215.00 USD

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If you’re looking for a suspension package that can handle daily driving, spirited back roads, and regular track time without compromise, the BC Racing BR Series has earned its reputation for a reason. It delivers broad adjustability, dependable construction, and chassis-specific tuning at a price point that continues to make sense for enthusiasts. Designed to integrate with factory mounting locations, the BR Series installs cleanly using OE-style brackets and hardware. Each damper is hand assembled and dyno tested, then paired based on matched compression and rebound values to ensure consistent performance from side to side. Spring rates and internal valving are selected following extensive R&D and long-term evaluation to balance ride quality with capability. Damping changes are made through a single adjuster offering 30 positions of simultaneous compression and rebound, giving you a wide operating window from comfortable street manners to firm, controlled response during aggressive driving. This configuration includes a 10K front spring rate with an S-barrel front spring where packaging requires it, paired with a linear rear arrangement for predictable, repeatable behavior. Construction highlights 6061-T6 aluminum upper mounts on applicable positions Rubber isolation mounts where reduced NVH is preferred Aluminum or robotically welded steel lower brackets Powder-coated components for corrosion resistance SAE9254 steel springs with protective zinc and powder coating Tuning & fitment 30-way damping adjustment Valving matched to spring design and rate Direct compatibility with OE mounting points and components

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BC Racing DS Series Coilover Suspension Kit - BMW E93 M3 w/ EDC ...

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T#:46753512

Part#: I-153-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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KONI Sport Adjustable Shock - Rear - E89 Z4 30i, 35i sDrive

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T#:363965

Part#: 82401302SPORT

In Stock

23% off MSRP $ 308.99

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

$ 237.99 USD

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23% off MSRP

$ 308.99

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

$ 237.99 USD

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This Koni Sport Rear shock fits BMW E89 Z4 models. KONl Sport struts and shocks are the industry leader for user adjustable damping for daily drivers to weekend warriors. KONl Sport's familiar yellow color has for decades meant superior motion control and adjustability for the discerning driving enthusiast.

Big handling improvements
Reasonable ride quality
Re-buildable for custom vehicle setups
Best KONl shock for all lowering springs
Lifetime Warranty

Activate your Koni Rebate!

This item fits the following BMWs:
2009+ E89 BMW Z4 sDrive28i Z4 sDrive30i Z4 sDrive35i

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BR Series Coilover Suspension Kit - E91 Touring AWD

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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 ZX Series Coilover Suspension Kit - E46 M3 Convertible ...

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T#:51356016

Part#: I-121-ZX

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$ 2,595.00 USD

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$ 2,595.00 USD

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For the E46 M3 Convertible enthusiast looking to bridge the gap between a high-end street car and a dedicated race machine, the BC Racing ZX Series offers an unparalleled engineering approach. By moving the compression valving to the external canisters, the system maintains its integrity under high-stress, high-temperature conditions, effectively eliminating "damper fade." For the E46 M3 platform—especially the convertible which requires higher roll stiffness to compensate for chassis flex—the ZX Series' 12kg rear spring rate and advanced damping provide the stability needed to maintain a flat cornering attitude. The system features standard front pillowball camber plates to eliminate factory rubber "mush," providing direct and unmediated steering feedback to the driver. Key Features: Enhanced Thermal Management: External canisters keep fluid away from brake heat to maintain valving accuracy lap after lap. Camber Adjustable Top Mounts: High-quality aluminum alloy plates allow for aggressive track alignments to maximize the tire contact patch. Pillowball Rear Mounts: Replaces rubber bushings with solid spherical bearings (on applicable kits) 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 Convertible (E46 Chassis). Spring Rates (Default): Front: 8 kg/mm | Rear: 12 kg/mm (Swift Springs standard). Piston Design: Linear Twin-Piston with remote canister valving. Adjustment Range: 3-Way Independent (Rebound / Low-Speed Compression / High-Speed Compression). Warranty: 1-Year limited manufacturer's warranty.

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BR Series Coilover Suspension Kit - BMW F48 X1

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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 BR Series Coilover Suspension Kit - 2014-2022 BMW i3 ...

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Custom built to order - 3-4 week estimated lead time

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 DS Series Coilover Suspension Kit - BMW G26 M440i xDrive ...

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T#:46753507

Part#: I-151-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 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 DS Series Coilover Suspension Kit - E46 M3 Convertible ...

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T#:51355987

Part#: I-121-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 M3 Convertible is built using motorsport-grade materials designed to withstand the rigors of spirited driving and technical road courses. Because the E46 M3 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 hand-assembled and fully rebuildable, 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 M3 chassis to its limits. Key Features: Front Camber Plates: Precision-engineered aluminum alloy plates for surgical alignment and increased turn-in bite. Patented Locking Ring: Features a concave lower locking ring that prevents the system from vibrating loose even under track conditions. Bearing-Mounted Spring Platforms: Minimizes "spring binding" or popping during low-speed steering maneuvers. Fully Rebuildable: Every component, from the seals to the valving, is individual and replaceable for long-term serviceability. Customization Ready: Fully compatible with custom spring rates and Swift Spring upgrades for tailored track setups. Specifications: Vehicle Fitment: 2000–2006 BMW M3 Convertible (E46 Chassis). Spring Rates (Default): Front: 7 kg/mm | Rear: 12 kg/mm. Spring Type: High-strength SAE9254 cold-wound steel. Adjustability: Independent ride height, independent spring preload, and 30-way damping. Warranty: 2-Year limited manufacturer's warranty.

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