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BC Racing DS Series Coilover Suspension Kit - 5-Bolt Top Mounts - F30...
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BC Racing - Corporate Logo
T#:47439397
Part#: I-82-DS
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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 E91 E93 Non-M RWD ...
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BC Racing - Corporate Logo
T#:47439406
Part#: I-17-ER
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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 HM Series Coilover Suspension Kit - 3-Bolt Top Mounts - BMW...
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BC Racing - Corporate Logo
T#:47439377
Part#: I-29-HM
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$ 2,565.00 USD
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The BC Racing HM Series Coilover System gets its great qualities from a combination of two previous BC Racing Coilover Systems - the RM Series and ER Series. The HM Series uses an inverted mono-tube damper, just like the RM Series, but adds the independent compression and rebound adjustment of the ER Series. Each HM Series Coilover System uses inverted mono-tube dampers front and rear on McPherson strut vehicles with steel braided lines leading from the top of the damper to the external reservoirs. The external reservoirs allow for a higher oil capacity with the added benefit of increased thermal dissipation, they also house the secondary damping piston. For Subarus and other McPherson suspension vehicles that are heavily tracked, the BC Racing HM Series Suspension System is definitely worth checking out!
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ZX Series Coilover Suspension Kit - F44
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BC Racing - Corporate Logo
T#:50066866
Part#: I-155-ZX
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$ 2,595.00 USD
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Enhance your suspension setup with BC Racing coilovers, configured with 5kg/mm front and 6kg/mm rear spring rates to deliver a composed balance between ride quality and performance-focused handling. Utilizing BC Racing’s monotube damper design, this coilover system improves damping response, minimizes body roll, and provides consistent feedback compared to factory suspension components. The spring rate combination favors a compliant front with a slightly softer rear, resulting in predictable chassis behavior and stable, confidence-inspiring handling for street-oriented performance driving. Ride height adjustment is independent of shock travel, allowing precise stance tuning without compromising suspension geometry or ride comfort. Springs and dampers are properly matched to maintain control and stability whether commuting daily or driving aggressively on back roads. Key Features: Monotube dampers for consistent damping performance 5kg/mm front and 6kg/mm rear spring rates optimized for street handling Independent ride height adjustment Tuned for daily driving with spirited performance capability Durable construction for long-term reliability
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BC Racing RM Series Coilover Suspension Kit - 3-Bolt Top Mounts - F30...
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BC Racing - Corporate Logo
T#:47439400
Part#: I-41-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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Strut Mount - Priced Each
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TRW - Corporate Logo
T#:14353725
Part#: 31306785962
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$ 43.99 USD
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BC Racing DS Series Coilover Suspension Kit - 3-Bolt Top Mounts - BMW...
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BC Racing - Corporate Logo
T#:47439375
Part#: I-29-DS
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$ 1,415.00 USD
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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 DS Series Coilover Suspension Kit - E60 525xi 528xi 530xi 5...
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BC Racing - Corporate Logo
T#:47439426
Part#: I-86-DS
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$ 1,415.00 USD
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$ 1,415.00 USD
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BC Racing's new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g., roll, pitch, dive, and quick weight transitions on technical road courses. For The Ultimate In Driver Feel - Choose BC Racing DS Series Coilovers.
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AST 2016-2021 BMW M2 F87 / Competition LCI 5200 Series Coilovers ...
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AST Suspension - Corporate Logo
T#:38621397
Part#: RIV-B2104SD
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$ 6,714.00 USD
$ 6,714.00 USD

Upper Strut Mount - Priced Each
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TRW - Corporate Logo
T#:14386796
Part#: 31331091709
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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 RM Series Coilover Suspension Kit - BMW E90/92 M3 (W/ EDC) ...
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BC Racing - Corporate Logo
T#:47439373
Part#: I-13-RM
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$ 1,515.00 USD
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$ 1,515.00 USD
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The BC Racing RM Series Coilover System uses a mono-tube inverted damper in the front and rear of vehicles that use McPherson style OEM strut suspension. On vehicles that use front struts only, BC Racing provides an inverted front strut and then provides an upright BR Series damper for the rear. Inverted dampers are useful in decreasing unsprung weight by moving the greatest mass of the strut to the top where it connects to the sprung weight of the chassis, where weight can be more easily shaved. The BC Racing RM Series Coilover System uses a much larger inverted piston shaft that can handle higher lateral loads for longer periods of time without fatigue. These higher lateral loads are only prevalent on McPherson style strut suspension, not on Double A-Arm vehicles.
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Coil Spring
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Meyle - Corporate Logo
T#:55461379
Part#: 3147390011
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New Item
$ 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.


OEM Lemforder Front Wishbone Control Arm - Right - BMW G01/02 X3 X4 M...
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Lemforder - Corporate Logo
T#:28271175
Part#: 31106893724
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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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BC Racing BR Series Coilover Suspension Kit - U11 X1 FWD
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BC Racing - Corporate Logo
T#:51356033
Part#: I-119-RM
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$ 1,515.00 USD
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For the serious enthusiast, the BC Racing DS Series for the U11 BMW X1 FWD offers a "no-compromise" approach to suspension geometry and thermal stability. By utilizing high-strength SAE9254 cold-wound steel springs, this system provides a highly consistent spring rate that resists deformation even under heavy, long-term use. The digressive damping architecture is specifically tuned to stabilize the X1's high center of gravity, providing a "planted" car-like feel that inspires confidence on technical roads. Every DS Series kit is hand-assembled and fully rebuildable, featuring bearing-mounted spring platforms to eliminate "spring binding" or popping noises during low-speed steering maneuvers. Key Features: Enhanced Body Control: Targeted damping profile specifically reduces the "wallow" associated with factory SUV suspension. Camber Adjustable Top Mounts: Precision-engineered aluminum alloy plates provide unmediated feedback and allow for aggressive alignment specs. Patented Locking Ring: Features a concave lower locking ring that prevents the system from vibrating loose under intense conditions. Thermal Management: Mono-tube architecture and high-quality fluid ensure the valving remains consistent during aggressive driving sessions. Serviceable Construction: All components are individual and replaceable, ensuring the long-term serviceability of the system. Specifications: Vehicle Fitment: 2022+ BMW X1 (U11) Front-Wheel Drive (FWD). Spring Rates (Default): Front: 5.5 kg/mm | Rear: 6.5 kg/mm. Damping Architecture: 1-Way Adjustable (30 Clicks). Build Material: TIG-welded heavy-gauge steel and CNC-machined aluminum. Warranty: 1-Year limited manufacturer's warranty.
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AST 5300 Series Coilovers - 2021+ BMW M3 G80 / M4 G82
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AST Suspension - Corporate Logo
T#:29898448
Part#: RAC-B2112SD
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10% off MSRP $ 9,480.00

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

$ 8,532.00 USD
10% off MSRP
$ 9,480.00

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

$ 8,532.00 USD
Are you the most dedicated enthusiast on the race track? Elevate your racing game to a championship level with the AST 3-WAY MOTORSPORT SUSPENSION. This advanced system empowers you to challenge your vehicle by independently adjusting rebound and low- and high-speed compression with a remote reservoir, providing distinct feedback and a unique driving sensation with each setting. ### Key Features: **Inverted Strut Design:** Built to withstand heavy side loads and braking forces, ensuring peak performance under intense conditions. **MONOTUBE Coilover Design:** Both front and rear dampers utilize this design, offering consistent performance and superior heat dissipation. **Adjustable Spring Rates:** Allows you to fine-tune your vehicle's suspension to meet your specific needs. **Rebound Adjustment:** With 12 distinct positions, you can control the damper's return to extension, affecting how the vehicle responds after compression and providing a unique driving experience with each setting. **Compression Adjustment:** Customize the suspension's response to compression with separate low- and high-speed controls: - **Low-Speed Compression:** Manages the suspension’s reaction to gentle, gradual forces. - **High-Speed Compression:** Handles rapid, forceful impacts. ### Benefits: - **Improved Handling:** Adjusting rebound and compression settings helps reduce body roll during cornering, enhancing responsiveness and maintaining tire contact for better traction. - **Customized Ride Comfort:** Fine-tune compression adjustments to balance performance and comfort, tailoring the ride quality to your preferences. - **Enhanced Front-End Grip:** Camber-adjustable front top mounts provide more wheel adjustment, transforming front-end grip and offering better control over your vehicle’s geometry. ### Additional Features: - **Solid Rear Top Mounts:** Ensure durability and stability under demanding conditions. With the AST 3-WAY MOTORSPORT SUSPENSION, you can fine-tune and customize three critical aspects of your vehicle's suspension, transforming your driving experience and elevating your performance. Designed for the most dedicated racing enthusiasts, this suspension system excels on both the road and the track.
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BC Racing ER Series Coilover Suspension Kit - E82 128i 135i
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BC Racing - Corporate Logo
T#:47439380
Part#: I-11-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 - BMW F44 228i FWD ...
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BC Racing - Corporate Logo
T#:46409676
Part#: I-155-BR
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$ 1,215.00 USD
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$ 1,215.00 USD
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Looking for coilovers that will provide reliability on street-driven vehicles but are also capable of feeding your weekend track demon's desire for performance? BC Racing's BR Series coilover kit may be just the thing for you.
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ZX Series Coilover Suspension Kit - F31 (3-Bolt Top Mounts)
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For Vehicles With 3-Bolt Top Mounts
BC Racing - Corporate Logo
T#:51320841
Part#: I-114-ZX
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$ 2,595.00 USD
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$ 2,595.00 USD
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For the F31 Touring owner who demands a professional-grade suspension setup, the BC Racing ZX Series delivers unparalleled driver feedback and thermal stability. By moving the compression valving to the external canisters, the system can better manage the extreme temperatures generated during track use, ensuring that damping rates remain consistent from the first lap to the last. The 3-way adjustment allows for specialized tuning; for instance, softening high-speed compression to handle curbing while keeping low-speed compression firm for sharp turn-in and minimal body roll. This level of control, paired with a significant reduction in unsprung weight via strategic component design, transforms the F31 into a remarkably poised and highly responsive racing machine. Key Features: Triple-Valved Control: 30 clicks of Rebound, 15 clicks of High-Speed Compression, and 15 clicks of Low-Speed Compression. Thermal Management: External reservoirs keep fluid cooler, extending the life of the oil and maintaining valving consistency. Reduced Unsprung Weight: Lightweight aluminum components where possible to improve wheel tracking over high-speed imperfections. Custom Valving Available: Valving can be paired specifically for custom spring rates or Swift Spring upgrades. Fully Rebuildable: Every component is individual and replaceable, making this a long-term investment for a competitive chassis. Specifications: Vehicle Fitment: 2012–2019 BMW 3-Series (F31) Touring / Wagon (3-Bolt Top Mount models). Spring Rates (Default): Front: 6 kg/mm | Rear: 10 kg/mm. Spring Options: Customizable from 6kg to 30kg+ to suit specific aero or tire requirements. Damping Architecture: Mono-tube with external canisters. Adjustment Type: Independent ride height and 3-way damping.
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BC Racing DS Series Coilover Suspension Kit - F15 X5, F16 X6 (With St...
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BC Racing - Corporate Logo
T#:47439366
Part#: I-74-DS
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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 Front Strut Insert - E34 525i 535i 540i
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Sachs - Corporate Logo
T#:594274
Part#: 31321138833
Back Ordered
$ 194.99

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

$ 145.99 USD
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$ 145.99 USD
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High-quality OEM replacement strut insert

B4 OE Suspension Shock Absorber - Rear Left - BMW G30 5'
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Bilstein - Corporate Logo
T#:49613499
Part#: 23-400498
Ships in 3 Business Days
$ 469.00 USD
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$ 469.00 USD
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Fix suspension issues with new shock absorbers.

BC Racing BR Series Coilover Suspension Kit - BMW E93 M3 without EDC ...
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BC Racing - Corporate Logo
T#:46409681
Part#: I-154-BR
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$ 1,215.00 USD
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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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ZX Series Coilover Suspension Kit - E46 Convertible
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BC Racing - Corporate Logo
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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BC Racing BR Series Coilover Suspension Kit - F01 740i 750i
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BC Racing - Corporate Logo
T#:555816
Part#: I-73-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:

  • 12k Front & 4.5k Rear Spring Rate
  • Linear front & V-Barrel rear springs
  • Valved specifically to spring style and rate
  • Aluminum and Rubber Front Mounts
  • Aluminum and Rubber Rear Mounts
  • Black Powder Coated Components
  • All OE style brackets and mounting for perfect fit
  • 30 Levels of Simultaneous Compression and Rebound Dampening
  • 2 inch minimum and 3+ Inches of total potential drop
  • Great for Track, Street, and any other conditions
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B4 Suspension Shock Absorber - Front Left - BMW G30 5'
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Bilstein - Corporate Logo
T#:49578604
Part#: 23-400375
Ships in 3 Business Days
$ 579.00 USD
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$ 579.00 USD
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Restore your suspension to factory standard by replacing your shock absorbers.
KW Coilover Kit - Street Comfort - F31 328xi Wagon, F34 328Xi GT ...
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KW Suspension - Corporate Logo
T#:338280
Part#: TMS338280
Ships in 4 Business Days
Starting at $ 2,454.00 USD
Starting at $ 2,454.00 USD
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 - 10-40mm, 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:
    2013+ F31 BMW 328i xDrive 328d xDrive - Wagon
    2014+ F34 BMW 328i xDrive GT - Gran Tourismo
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    Strut Mounting Kit With Ball Bearing & Add-On Material
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    Febi - Corporate Logo
    T#:56580191
    Part#: 31306879227
    Special Order: No Guaranteed ETA
    New Item
    $ 74.99 USD
    Free Shipping on orders $49 and up
    Maintain razor-sharp steering precision and track-ready chassis control with the Febi Bilstein Front Strut Mount Repair Kit.

    ZX Series Coilover Suspension Kit - E93
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    BC Racing - Corporate Logo
    T#:50066868
    Part#: I-153-ZX
    Back Ordered
    $ 2,595.00 USD
    Free Shipping
    $ 2,595.00 USD
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    Take command of your chassis with BC Racing coilovers, featuring 6kg/mm front and 10kg/mm rear spring rates for a perfect balance of ride comfort and performance-oriented handling. Built around BC Racing’s monotube damper design, this coilover system provides sharper damping response, reduced body roll, and consistent feedback compared to factory suspension. The spring combination offers a compliant front end with a slightly firmer rear, promoting predictable handling and stable, confidence-inspiring performance for street and spirited driving. Independent ride height adjustment lets you dial in stance without compromising shock travel or ride quality. Matched springs and dampers work together to keep the car composed whether you’re commuting, carving back roads, or pushing hard on spirited drives. Why it stands out: Monotube dampers for consistent, reliable performance 6kg/mm front, 10kg/mm rear spring rates for balanced handling Fully independent ride height adjustment for precise setup Tuned for everyday driving with spirited performance capability Durable construction built for long-term use
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    B6 Performance Shocks - Rear
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    Bilstein - Corporate Logo
    T#:56977993
    Part#: 24-349079
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    Bilstein’s performance shock absorber delivers precision dampening control for drivers who demand race-bred dynamics
    Powerflex Front Sway Bar Bushing 22.5mm - Black Series
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    T#:53997741
    Part#: PFF5-1503-22.5BL
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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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    BC Racing DS Series Coilover Suspension Kit - BMW G20 330i M340i RWD ...
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    BC Racing - Corporate Logo
    T#:47439432
    Part#: I-96-DS
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    $ 1,445.00 USD
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    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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    Lemforder Strut Mount
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    T#:16873839
    Part#: 31306851879
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    $ 44.38 USD
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    OEM front strut mount replacement.

    B4 OE Suspension Shock Absorber - Front Right - BMW G30 5'
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    Bilstein - Corporate Logo
    T#:49613479
    Part#: 23-400443
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    $ 579.00 USD
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    Tired of bumpy rides? Fix it with new shock absorbers.

    AST Lowering Springs - Toyota MkV A90 Supra
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    T#:48091374
    Part#: ASTLS-22-236
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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.
    ER Series Coilover Suspension Kit - E46 Convertible
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    BC Racing - Corporate Logo
    T#:51320855
    Part#: I-90-ER
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    For the E46 Convertible enthusiast looking to bridge the gap between a high-end street car and a dedicated race machine, the BC Racing ER Series offers uncompromised performance. By moving the secondary damping piston to the external canister, the system maintains its integrity under high-stress, high-temperature conditions. This is especially beneficial for the E46 Convertible, where the added 12kg rear spring rate helps counteract the platform's inherent weight distribution and chassis flex. The system features bearing-mounted spring platforms to eliminate the friction and "spring binding" often felt during tight steering maneuvers. Every ER Series kit is hand-assembled with precision and is fully rebuildable, ensuring it remains a long-term investment in the performance of your BMW. Key Features: Reduced Damping Fade: Strategic fluid placement keeps oil cooler, preserving valving accuracy during extended spirited driving. Camber Adjustable Top Mounts: High-quality aluminum plates eliminate the "mushy" feel of factory rubber bushings for direct driver feedback. Patented Concave Locking Ring: BC Racing’s unique design ensures lower mounts remain securely locked, even under extreme vibration. Customization Ready: Fully compatible with Swift Spring upgrades and custom valving tailored to specific tire or aero setups. Serviceable Construction: All components are individual and fully replaceable directly through BC Racing North America. Specifications: Vehicle Fitment: 2000–2006 BMW 3-Series (E46) Convertible (Excludes M3). Spring Rates (Default): Front: 6 kg/mm | Rear: 12 kg/mm. Spring Type: High-strength SAE9254 cold-wound steel. Construction: 304 Stainless Steel and 6061-T6 Anodized Aluminum. Warranty: 2-Year limited manufacturer's warranty.
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    Comprehensive Front Suspension Refresh Kit - Level 1 - G01 G01 ...
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    Packaged by Turner - Corporate Logo
    T#:30463955
    Part#: G01FSRFSHKT2
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    $ 877.99

    This product was last offered at the strikethrough price on
    05-04-2026

    $ 813.99 USD
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    $ 813.99 USD
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    Upgrade your BMW’s front suspension with our high-quality Front Suspension Control Arm Kit, designed to restore stability and precision to your vehicle. Over time, worn control arms can lead to creaking, groaning, and instability, especially at highway speeds. Our comprehensive kit ensures a complete overhaul with all necessary components pre-assembled for easy installation.

    Key Features:

    Enhanced Stability: Say goodbye to wandering and instability on the road with new, durable control arms. Complete Solution: Our kit includes all four front control arms, two ball joints, and essential installation hardware. Premium Quality: Assembled by enthusiasts at ECS Tuning, ensuring top-notch performance and reliability. Ready for Installation: All related ball joints and bushings are pre-installed, saving you time and effort. Kit Includes:

    4 Front Control Arms Installation Hardware Give your BMW the suspension upgrade it deserves. Enhance your driving experience with our Front Suspension Control Arm Kit and enjoy the confidence of driving a well-maintained vehicle. Order now and experience the difference in ride quality and stability. i

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    BC Racing RM Series Coilover Suspension Kit - E46 M3 Convertible ...
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    T#:51355989
    Part#: I-121-RM
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    For the E46 M3 Convertible owner who demands uncompromised feedback during spirited driving or track sessions, the BC Racing RM Series offers a professional-grade motorsport approach. By moving the fluid reservoir away from the wheel hub and brake components, the RM Series manages heat more effectively, preventing damper fade during prolonged high-speed sessions. The inclusion of front pillowball camber plates replaces compliant factory rubber bushings, providing direct and unmediated steering feel. Because convertibles often require higher roll stiffness to compensate for chassis flex, the RM Series' default 12kg rear spring rate provides the stability needed to keep the E46 M3 planted and responsive through tight technical sections. Key Features: Reduced Damper Fade: Inverted layout keeps oil temperature more stable by increasing distance from hot brake components. 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 against vibration. Linear Piston Architecture: Provides a predictable and consistent damping feel for better driver confidence at the limit. Fully Rebuildable: Every component is individual and 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. Optional Upgrades: Compatible with custom spring rates and Swift Springs (+2kg/-2kg range on standard valving). Finish: Black chrome-plated steel bodies for maximum corrosion resistance. Warranty: 2-Year limited warranty against manufacturer's defects.
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    Left Front Replacement Damper
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    T#:37217374
    Part#: BMS1-40
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    BC Racing DS Series Coilover Suspension Kit - 3-Bolt Top Mounts - F32...
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    BC Racing - Corporate Logo
    T#:47439430
    Part#: I-61-DS
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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 Bump Stop - Rear - E60 525/528/530/535/545/550i
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    T#:594023
    Part#: 900-130
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    Replace your missing or damaged bump stop

    BC Racing RM Series Coilover Suspension Kit - E82 128i 135i
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    BC Racing - Corporate Logo
    T#:47439381
    Part#: I-11-RM
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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 RM Series Coilover Suspension Kit - BMW E93 M3 (with EDC) ...
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    T#:47576358
    Part#: I-153-RM
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    $ 1,515.00 USD
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    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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    Lesjofors Front Coil Spring - E30 325
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    T#:641825
    Part#: 38006003316
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    Replace old or cracked coil springs with this OE direct replacement.
    BC Racing ER-Series 12-19 BMW 3 Series Touring (5-Bolt Top Mounts) ...
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    BC Racing - Corporate Logo
    T#:25009236
    Part#: I-115-ER
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    The ER Series coilovers bring with them the high quality and unique features seen on the BR and RM type but have the additional benefit of external reservoirs and the ability to allow the end user to individually adjust and set compression and rebound damping rates. By separating the adjustment for damping compression and rebound the ER Series allows you to dial the vehicle in to your exact needs. When braking hard whilst approaching a corner you want the car to transfer weight to the front tires to maximize grip for the braking effort and also to allow you to trail brake into the corner without the car understeering. Ride height adjustment: Ride height is determined by the position of the coil over bottom mount. The mount can be wound up and down the damper body to give a full range of adjustment. Because ride height is determined by an adjustable bottom mount rather than spring platform you retain full damper travel regardless of the ride height run. Know your protected from the elements! The damper units are black chromed steel to give superb durability even through the darkest of European winters. The aluminium components (top mounts, locking collars etc) are anodised 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: Highly Customizable Mono-Tube Damper Linear Twin-Piston Design Height Adjustment Independent Of Spring Compression 30-Clicks Of Compression Adjustment Via The External Reservoirs 30-Clicks Of Rebound Adjustment From The Top Of The Damper Front And Rear Camber Plates Standard On All Applicable Kits Front And Rear Pillowball Mounts Standard When Camber Plates Do Not Apply Custom Spring Rates And Swift Spring Compatible Custom Valved To Match The Drivers Requested Spring Rates Swift Spring Upgrade Available On Most Applications 1-Year Warranty Against Manufacturers Defect Fully Rebuildable NOTE: LEAD TIMES ON ALL NEW ORDERS 4-8 WEEKS
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    F31 328i xDrive KW Coilover Kit - Variant 1 (V1)
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    KW Suspension - Corporate Logo
    T#:339944
    Part#: 1022000ABX
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    Starting at $ 2,404.00 USD
    Starting at $ 2,404.00 USD
    Factory Pre-set Damping

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

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

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

    Lifetime warranty!




    These KW Variant 1 coil overs fit the following BMWs:
    2012+ F31 BMW 328i xDrive - Wagon
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    BC Racing RM Series Coilover Suspension Kit - BMW G26 430i M440i xDri...
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    BC Racing - Corporate Logo
    T#:47473681
    Part#: I-151-RM
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    $ 1,515.00 USD
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    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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    Track Control Arm
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    Corteco - Corporate Logo
    T#:15744040
    Part#: 33322406292
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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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    EVO S Suspension Kit - Front & Rear
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    Bilstein - Corporate Logo
    T#:56977990
    Part#: 47-322547
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    5% off MSRP $ 2,136.00

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    $ 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 HM Series Coilover Suspension Kit - 3-Bolt Top Mount - BMW ...
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    T#:47439437
    Part#: I-49-HM
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    $ 2,565.00 USD
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    The BC Racing HM Series Coilover System gets its great qualities from a combination of two previous BC Racing Coilover Systems - the RM Series and ER Series. The HM Series uses an inverted mono-tube damper, just like the RM Series, but adds the independent compression and rebound adjustment of the ER Series. Each HM Series Coilover System uses inverted mono-tube dampers front and rear on McPherson strut vehicles with steel braided lines leading from the top of the damper to the external reservoirs. The external reservoirs allow for a higher oil capacity with the added benefit of increased thermal dissipation, they also house the secondary damping piston. For Subarus and other McPherson suspension vehicles that are heavily tracked, the BC Racing HM Series Suspension System is definitely worth checking out!
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    BC Racing BR Series Coilover Suspension Kit - F12/F13 650i
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    T#:555842
    Part#: I-27-BR
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    4% off MSRP $ 1,245.00

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

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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:

    • 12k Front & 4.5k Rear Spring Rate
    • Linear front & V-Barrel rear springs
    • Valved specifically to spring style and rate
    • Aluminum and Rubber Front Mounts
    • Aluminum and Rubber Rear Mounts
    • Black Powder Coated Components
    • All OE style brackets and mounting for perfect fit
    • 30 Levels of Simultaneous Compression and Rebound Dampening
    • 2 inch minimum and 3+ Inches of total potential drop
    • Great for Track, Street, and any other conditions
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