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BR Series Coilover Suspension Kit

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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Track Control Arm

T#:15744040

Part#: 33322406292

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$ 54.99 USD

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$ 54.99 USD

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Over the years, the road takes a serious toll on your suspension. Pot holes, speed bumps, and road hazards all contribute to a sloppy, weak suspension. To give a better feel to your driving experience, change components as they wear to improve safety and ride comfort. One item to replace is the control arm. After years of service, the non-serviceable ball joints and other components can begin to wear out. Because some components cannot be replaced, the only solution is replacement of the entire arm. If replacing any part of your front or rear suspension, it is best to either do it in pairs (both left and right sides), or examine parts that are prone to failure. This will provide the most service life out of replacement parts and assure they are all performing properly. Skim through the suspension section of your vehicle model to see all those other parts that may need replaced. This is the front control arm with the upward facing ball-joint, commonly referred to as the "wishbone".

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DS Series Coilover Suspension Kit - 55mm Front Strut (Weld-In) - E34 ...

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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OEM Sachs Strut - Front Left - E82/E88 128 135

T#:594159

Part#: 31316768919

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$ 163.99

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

$ 133.99 USD

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$ 133.99 USD

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High quality OEM replacement strut

B4 OE Suspension Shock Absorber - Rear Left - G30 5'

10X Entries Into Our F80 M3 Sweepstakes

T#:49613496

Part#: 23-400474

Ships in 3 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.

B4 OE Replacement (DampTronic)

10X Entries Into Our F80 M3 Sweepstakes

T#:57014168

Part#: 26-320502

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$ 359.00 USD

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$ 359.00 USD

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Built for drivers who demand precision and chassis control, Bilstein dampers deliver track-tested performance for the ultimate driving machine.

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

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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BC Racing HM Series Coilover Suspension Kit - E46 Convertible ...

T#:51320856

Part#: I-90-HM

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$ 2,565.00 USD

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$ 2,565.00 USD

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For the E46 Convertible owner looking to overcome the platform's inherent chassis flex and maximize track performance, the BC Racing HM Series offers a motorsport-first engineering approach. By utilizing an inverted strut layout and a high 12kg rear spring rate, the HM Series provides uncompromised geometry control under heavy cornering loads. The 2-way independent adjustment allows the driver to fine-tune high-speed stability and low-speed turn-in separately, which is critical for balancing a convertible's unique weight distribution. Every HM Series kit is hand-assembled with TIG-welded 304 stainless steel and 6061-T6 aluminum components, ensuring a system that is as durable as it is fast. Key Features: Enhanced Thermal Stability: External canisters move the fluid away from brake heat to maintain valving accuracy. Linear Twin-Piston Design: Provides a large surface area for precise and predictable damping response. Camber Adjustable Top Mounts: Precision-engineered aluminum plates eliminate factory rubber compliance for direct steering feedback. Independent Ride Height: Threaded shock bodies allow for height adjustment without sacrificing damper stroke or spring travel. Fully Rebuildable: All components are 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. Piston Design: Linear Twin-Piston. Construction: 304 Stainless Steel and Anodized 6061-T6 Aluminum. Warranty: 2-Year limited manufacturer's warranty.

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RM Series Coilover Suspension Kit - F31 (3-Bolt Top Mounts)

For Vehicles With 3-Bolt Top Mounts

T#:51320834

Part#: I-114-RM

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$ 1,515.00 USD

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$ 1,515.00 USD

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For the enthusiast who uses their F31 Touring as both a daily driver and a weekend track tool, the BC Racing RM Series provides unparalleled driver feedback. The inclusion of front pillowball camber plates as standard allows for aggressive alignment settings that sharpen turn-in and eliminate the "mushy" feel associated with OEM rubber mounts. By moving the oil reservoir away from the hub, the fluid stays cooler during spirited sessions, preventing the "damper fade" that often plagues standard suspension setups after consistent hard use. With the RM Series, the BMW F31 gains a level of poise and responsiveness typically reserved for dedicated M-cars. Key Features: Camber Adjustable Top Mounts: Pillowball front top mounts allow for precise camber adjustment and direct steering feedback. Reduced Damper Fade: Inverted layout keeps oil temperature more stable by increasing distance from hot brake components. Bearing-Mounted Spring Platforms: Minimizes friction between the spring and the perch to eliminate "spring binding" and popping. Patented Concave Locking Ring: Unique design ensures that once height is set, the lower mounts remain locked securely against vibration. Serviceable Design: Fully rebuildable with all replacement parts available directly from BC Racing. Specifications: Vehicle Fitment: 2012–2019 BMW 3-Series (F31) Touring / Wagon (3-Bolt Front Top Mounts). Spring Rates (Default): Front: 6 kg/mm | Rear: 10 kg/mm. Optional Rates: Custom springs (BC or Swift) available from 4kg to 20kg+ to suit specific builds. Construction: TIG-welded heavy-duty steel and anodized aluminum components. Warranty: 2-Year limited manufacturer's warranty.

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Powerflex Front Sway Bar Bushing 22.5mm - Black Series

T#:53997741

Part#: PFF5-1503-22.5BL

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$ 79.99 USD

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$ 79.99 USD

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Lock down your E83's front anti-roll bar. These 95A durometer Black Series bushings increase rigidity by 80%, yielding zero sway bar deflection and immediate chassis translation during threshold cornering.

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H&R Front Sport Sway Bar - 28mm - BMW E39 540i M5

T#:47610657

Part#: 70539

Ships in 3 Business Days

10% off MSRP $ 899.00

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

$ 809.99 USD

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10% off MSRP

$ 899.00

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

$ 809.99 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 HM Series Coilover Suspension Kit - 3-Bolt Top Mounts - BMW...

T#:47439377

Part#: I-29-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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KONI Sport Adjustable Shock - Rear - E89 Z4 30i, 35i sDrive

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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OEM Lemforder Front Wishbone Control Arm - Left - BMW G01/02 X3 X4 M4...

T#:28271174

Part#: 31106893723

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$ 131.63 USD

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$ 131.63 USD

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If you notice extra play in your suspension or clunking or popping noises coming from your front suspension, it is likely due to worn-out control arm bushings and ball joints. Replace your control arm to restore handling and the high-quality suspension feel you'd expect from a BMW.

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ZX Series Coilover Suspension Kit - E46 Convertible

T#:51320859

Part#: I-90-ZX

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$ 2,565.00 USD

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$ 2,565.00 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 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 Convertible—which lacks the structural rigidity of its coupe counterparts—the ZX Series' advanced damping provides the stability needed to maintain a flat cornering attitude. The system features bearing-mounted spring platforms to eliminate "spring binding" or popping during tight maneuvers. Fully rebuildable and customizable, the ZX Series is a long-term investment in the competitive potential of your BMW. Key Features: Enhanced Thermal Management: External canisters keep fluid away from brake heat, maintaining valving accuracy lap after lap. Camber Adjustable Top Mounts: High-quality aluminum plates eliminate factory rubber "mush," providing direct, unmediated steering feedback. Independent Ride Height: Threaded bottom mounts allow for ride height changes without sacrificing suspension travel or preload. Patented Concave Locking Ring: BC Racing’s unique design ensures lower mounts remain securely locked, even under extreme track vibration. Custom Valving Available: Each kit can be custom-valved to match specific driver preferences or extreme aero/tire setups. Specifications: Vehicle Fitment: 2000–2006 BMW 3-Series (E46) Convertible (Excludes M3 models). Spring Rates (Default): Front: 6 kg/mm | Rear: 10 kg/mm (Swift Springs standard). Spring Type: Genuine Swift Springs for reduced unsprung weight. Piston Design: Linear Twin-Piston with remote canister valving. Warranty: 2-Year limited manufacturer's warranty.

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Coil Spring

5X Entries Into Our F80 M3 Sweepstakes

T#:55461379

Part#: 3147390011

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$ 38.99

This product was last offered at the strikethrough price on
09-16-2026

$ 36.99 USD

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$ 36.99 USD

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Decades of hard cornering and road grime lead to micro-fractures, sagging ride heights, and unpredictable handling at the limit.

BC Racing RM Series Coilover Suspension Kit - 3-Bolt Top Mounts - F32...

T#:47439365

Part#: I-62-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 ZR Series Coilover Suspension Kit - E46 M3 Convertible ...

T#:51356002

Part#: I-121-ZR

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

We Price Match - Give Us A Call or Chat!

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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B6 Performance Shocks - Front Right

10X Entries Into Our F80 M3 Sweepstakes

T#:56978002

Part#: 22-349064

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$ 175.00 USD

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$ 175.00 USD

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Eliminate sloppy chassis movement and restore crisp steering feedback with race-bred engineering adapted for the street.

Front Control Arm - Right

T#:594012

Part#: 31121123026

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$ 111.99 USD

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$ 111.99 USD

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Includes ball joint and bushings

BC Racing RM Series Coilover Suspension Kit - BMW E93 M3 (with EDC) ...

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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AST 2016-2021 BMW M2 F87 / Competition LCI 5200 Series Coilovers ...

T#:38621397

Part#: RIV-B2104SD

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$ 6,714.00 USD

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$ 6,714.00 USD

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BC Racing DS Series Coilover Suspension Kit - 5-Bolt Top Mounts - F30...

T#:47439397

Part#: I-82-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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Strut Mounting Kit With Ball Bearing & Add-On Material

T#:56580191

Part#: 31306879227

Special Order: No Guaranteed ETA

$ 74.99 USD

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$ 74.99 USD

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Maintain razor-sharp steering precision and track-ready chassis control with the Febi Bilstein Front Strut Mount Repair Kit.

B4 OE Suspension Shock Absorber - Front Right - BMW G30 5'

10X Entries Into Our F80 M3 Sweepstakes

T#:49613479

Part#: 23-400443

Ships in 3 Business Days

$ 579.00 USD

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$ 579.00 USD

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Tired of bumpy rides? Fix it with new shock absorbers.

BC Racing ZR Series Coilover Suspension Kit - E46 Convertible ...

T#:51320857

Part#: I-90-ZR

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$ 2,865.00 USD

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$ 2,865.00 USD

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Designed for racers ranging from novice to pro, the BC Racing ZR Series addresses the unique weight distribution and chassis requirements of the E46 Convertible. The inverted front struts utilize a massive 42mm piston shaft, providing a rigid backbone that prevents geometry deflection under heavy braking and high-G cornering. By separating low-speed and high-speed compression, drivers can stiffen low-speed damping to eliminate body roll and pitch during turn-in while keeping high-speed damping compliant enough to absorb track curbing without upsetting the chassis. Every ZR kit is hand-assembled with TIG-welded steel and anodized 6061-T6 aluminum, providing a professional-grade motorsport component that is fully rebuildable and customizable. Key Features: Enhanced Low-Speed Damping: Specifically tuned to stabilize the E46’s heavier convertible chassis during quick weight transitions. Thermal Management: Remote-mounted external reservoirs move fluid away from hot brake components to ensure consistent lap times. Camber Adjustable Top Mounts: High-quality aluminum plates eliminate factory rubber "mush," providing direct, unmediated steering feedback. Bearing-Mounted Spring Platforms: Minimizes friction between the spring and perch to eliminate "spring binding" during tight steering. Industrial Corrosion Protection: Black chrome-plated steel shock bodies and electrophoretic disposition on steel mounts ensure a long service life. Specifications: Vehicle Fitment: 2000–2006 BMW 3-Series (E46) Convertible (All models except M3). Spring Rates (Standard): Front: 6 kg/mm | Rear: 10 kg/mm (Swift Springs). Piston Design: Linear Twin-Piston (Standard on 3-way kits). Weight: Approx. 23 kg (Full Kit). Warranty: 2-Year limited manufacturer's warranty.

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AST Lowering Springs - Toyota MkV A90 Supra

T#:48091374

Part#: ASTLS-22-236

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$ 349.99 USD

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$ 349.99 USD

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AST LOWERING SPRINGS ARE MANUFACTURED FROM A PREMIUM HIGH TENSILE CHROMIUM-SILICONE WIRE WHICH IS HANDPICKED BY AST ENGINEERS FOR ITS QUALITY AND METAL CONSISTENCY.

EVO S Suspension Kit - Front & Rear

10X Entries Into Our F80 M3 Sweepstakes

T#:56977990

Part#: 47-322547

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5% off MSRP $ 2,136.00

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

$ 2,035.99 USD

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5% off MSRP

$ 2,136.00

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

$ 2,035.99 USD

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Unleash true chassis performance and track-bred responsiveness with the Bilstein B14 Coilover Kit.

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

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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Upper Strut Mount - Priced Each

T#:14386796

Part#: 31331091709

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$ 37.99 USD

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$ 37.99 USD

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To get the most out of your new suspension setup, it's recommended that you replace all parts that are known to fail. Not only will this make your new setup more effective, it will provide a better ride, proper tire position, and make all of your parts last longer. One often overlooked piece is the upper strut bearing. This is the top mount for your struts and provides a solid platform for your front suspension. If worn, the bearings within this mount make noise, there is slop from worn rubber, and it can shorten the life of your shocks.

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

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

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 BR Series Coilover Suspension Kit - 2014-2020 BMW i8 ...

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

T#:385312

Part#: 87411587KT1

In Stock

$ 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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BC Racing DS Series Coilover Suspension Kit - 3-Bolt Top Mounts - BMW...

T#:47439375

Part#: I-29-DS

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$ 1,415.00 USD

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Qty

$ 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 RM Series Coilover Suspension Kit - BMW F44 228i FWD ...

T#:47576363

Part#: I-155-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 - E89 Z4

T#:51356035

Part#: I-111-DS

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

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 HM Series Coilover Suspension Kit - 5-Bolt Top Mounts - 201...

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 RM Series Coilover Suspension Kit - 3-Bolt Top Mounts - F32...

T#:47439431

Part#: I-61-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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5-series Strut/Shock Mount Kit - E39 525i/528i/530i with Performance ...

10X Entries Into Our F80 M3 Sweepstakes

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

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 RM Series Coilover Suspension Kit - BMW F34 328i RWD ...

T#:47576365

Part#: I-95-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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E46 HM Series Coilover Suspension Kit

T#:4319923

Part#: I-02-HM

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$ 2,535.00 USD

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$ 2,535.00 USD

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BC Racing's HM Coilover system offers the same great benefits of the RM Series with the addition of 2 way damping adjustment. Each HM Coilover system features inverted mono-tube dampers with independently adjustable compression and rebound. The inverted damper design moves vital damper fluid away from detrimental heat sources to avoid overheating which can cause damper fade under extreme track use. Know your safe from the elements! The damper units are black chromed steel to give superb durability even through the darkest of European winters. The aluminum components (top mounts, locking collars etc.) are anodized and the steel lower mounts go through an electrophoretic disposition process followed by powder coating. A random selection of steel components (brackets, dampers, screws etc.) are put through a salt spray test once a month to check the quality of the protective processes and that anti corrosive properties are kept at the highest possible standard. Features: Engineered for 100% track use * 30 levels of separate rebound and compression adjustment * Inverted damper design (depending on models) * Dual Piston design (1 res., 1 in shock) * Teflon coated steel braided lines for external reservoir on inverted dampers and solid stem for double A-arm cars Custom spring rates available * Completely rebuildable * Monotube damper design * Patented concave lower locking collar * 1 year manufacturer warranty NOTE: LEAD TIMES FOR ALL NEW ORDERS ARE 4-8 WEEKS.

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B4 OE Replacement (DampTronic) Suspension Shock Absorber - Front Left...

10X Entries Into Our F80 M3 Sweepstakes

T#:49578601

Part#: 23400313

Ships in 3 Business Days

$ 579.00 USD

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$ 579.00 USD

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Bumpy ride? Restore your suspension with new shock absorbers.

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

T#:46753512

Part#: I-153-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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B4 Suspension Strut Assembly

10X Entries Into Our F80 M3 Sweepstakes

T#:56977996

Part#: 22-317407

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$ 133.00 USD

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$ 133.00 USD

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Eliminate sluggish suspension response and sharpen front-end control with Bilstein suspension engineering.

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

T#:36811825

Part#: I-66-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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EVO SE B16 Coilover Kit

10X Entries Into Our F80 M3 Sweepstakes

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.

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