BMW Suspension Parts for BMW F83 M4 S55 3.0L

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Your BMW's handling is determined by the capabilities and age of your suspension components. Our selected aftermarket performance suspension like coilovers, lowering springs, cup kits, and dampers can improve the handling of your BMW dramatically. With those upgrades comes the needs for proper adjustment; our recommended supporting modifications comes stiffer sway bars, bushings, and adjustable camber/caster plates, to name a few found on this page. Completely build your suspension for the most competitive BMW driving experience, achieve your perfect look, or simply replace your worn suspension with our recommended parts.

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ECS - Corporate Logo
T#:589057
Part#: 026696ECS03
In Stock
$ 115.99 USD
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$ 115.99 USD
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Upgrade your drivetrain performance with ECS Tuning Performance Polyurethane Differential Bushings—engineered specifically for BMW F8x/G8x models and designed to deliver superior power transfer, durability, and driving precision.

Factory rubber differential bushings are built for comfort, absorbing vibrations between the differential and chassis during everyday driving. However, they are a known wear item that degrade over time—especially under spirited or aggressive driving conditions. Many F8x/G8x owners experience premature cracking and wear, leading to excessive drivetrain movement, reduced throttle response, and unwanted wheel hop.

ECS Tuning’s in-house engineered polyurethane differential bushings provide a high-performance solution to these common issues. By significantly reducing drivetrain deflection, these upgraded bushings enhance throttle response, improve handling stability, and minimize wheel hop—resulting in a more connected and controlled driving experience.

Constructed from durable 95A durometer red polyurethane and paired with precision CNC-machined 6061-T6 aluminum sleeves, these bushings are built to withstand extreme driveline forces while maintaining street-friendly comfort. Unlike solid or delrin mounts, ECS polyurethane bushings strike the perfect balance between performance and daily drivability—delivering increased rigidity without excessive noise, vibration, or harshness (NVH).

Whether you're carving canyon roads, launching at the drag strip, or simply commuting, these performance differential bushings ensure more efficient power delivery from the differential to the wheels—giving you better throttle modulation, traction, and overall control.

Key Features & Benefits:

Performance polyurethane differential bushings for BMW F8X models
Reduces drivetrain movement and improves power transfer
Enhances throttle response and minimizes wheel hop
95A durometer polyurethane for optimal balance of performance and comfort
CNC-machined 6061-T6 aluminum inserts with Type II black anodizing for corrosion resistance
Resistant to oil, chemicals, ozone, and road salt for extended service life
Designed to handle high torque loads and extreme driving conditions
Engineered using real-world load data and worst-case operating scenarios
Maintains street-friendly NVH levels compared to solid mounts
Replace worn factory bushings with ECS Performance Polyurethane Differential Bushings and experience tighter handling, improved drivetrain response, and long-lasting reliability.

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Fall Line - Corporate Logo
T#:27938407
Part#: FLM-G8X-1FECOTOE
In Stock
$ 329.99 USD
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$ 329.99 USD
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G8X / F8X Adjustable Toe Arm Set | Fall-Line Motorsports - Standard by Turner Motorsport is crafted to enhance the alignment process for BMW enthusiasts. Made in the USA, this standard toe link kit facilitates rapid toe adjustments during alignment, and when combined with the tension strut, it also allows for precise track adjustments. Designed for easy fitment, these arms simplify wheel alignment and camber adjustment, making the setup process quicker and more efficient.

  • Enhanced Alignment: Enables fast and precise toe adjustments for improved wheel fitment.
  • Track Adjustment: Works in conjunction with the tension strut for overall track adjustments.
  • Simplified Setup: Eases camber adjustment and simplifies alignment processes.
  • Direct Replacement: Matches OEM part number 33322284534 // 33-32-2-284-534.
  • Multi-Link Suspension Compatibility: Handles dynamic changes in alignment settings effectively.

Fits:

  • G80 / G81 / G82 / G83 M3 & M4
  • F80 / F82 M3 & M4
  • G87 M2
  • F87 M2
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ECS - Corporate Logo
T#:589549
Part#: 26696ECS09
In Stock
Sale - Save 25% $ 437.99

This product was last offered at the strikethrough price on
06-14-2026

$ 328.49 USD
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Sale - Save 25%
$ 437.99

This product was last offered at the strikethrough price on
06-14-2026

$ 328.49 USD
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Differential bushings are responsible for keeping your rear end planted during the delivery of power to the rear wheels. As these bushings age, they wear out and should be replaced. If you ever see your bushings are cracked, it is time to replace them. By eliminating the drivetrain deflection that factory rubber bushings permit, throttle response is improved, and the tendency for a car to “Wheel Hop” is significantly reduced. Upgrade to ECS Poly Diff Bushings and feel the difference!
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034Motorsport - Corporate Logo
T#:25109063
Part#: 034-402-4042
In Stock
$ 198.00 USD
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$ 198.00 USD
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Replace your flimsy, imprecise OEM sway bar end links with 034Motorsport performance-engineered adjustable spherical end links! 034Motorsport's Billet Adjustable Rear Sway Bar End Links allow for the uncompromised transfer of suspension energy and movement to the sway bar. With its adjustable length design, the 034Motortsport Billet Adjustable Rear Sway Bar End Links allow you to maintain proper preload on the sway bar when lowering your car. 034Motorsport sway bar end links are the only options on the market with high misalignment sphericals, ensuring that the end links do not bind as the suspension articulates. In addition, adjustable sway bar end links allow you to adjust preload on the sway bar, as well as alleviate potential sway bar clearance issues caused by lowering your car. By utilizing our 034Motorsport adjustable end links, the lengths of each end link can be adjusted so that the end link can be easily installed at ride height without needing to twist the bar to get it to fit. Zero preload provides symmetrical handling in right and left turns. Features: CNC Machined 6061-T6 Aluminum End Link Bodies - Anodized Black for Durability CNC Machined Stainless Steel End Link Spacers Motorsport Quality Aurora Spherical Bearings Featuring Self-Lubricating Teflon Race Lining Spherical Design Eliminates Deflection and Ensures Proper Articulation Fully Adjustable Direct Drop-In Replacement for Factory End Links Fully Rebuildable Sold In Pairs Fits all F2x/F3x 2 and 3 Series, and F8x M2, M3, and M4 What's Included: Motorsport Billet Adjustable Rear Sway Bar End Link (Pair)
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ECS - Corporate Logo
T#:42369339
Part#: 004673LA01
In Stock
Sale - Save 10% $ 37.99

This product was last offered at the strikethrough price on
06-14-2026

$ 34.19 USD
Free Shipping on orders $49 and up
Sale - Save 10%
$ 37.99

This product was last offered at the strikethrough price on
06-14-2026

$ 34.19 USD
Free Shipping on orders $49 and up

Fine-tuning your coilover damping shouldn’t mean stripping out your rear seats or interior panels. On many applications, rear shock adjusters are hidden behind carpet, trim, or seatbacks, making quick adjustments a hassle.

The ECS Rear Damping Extension Kit solves that problem with a clean and functional solution. These flexible extensions relocate the adjustment knobs to an easily accessible point above the rear shock towers, letting you dial in your suspension from inside the cabin, no disassembly required.

Installation is straightforward: simply drill a small access hole in your interior trim and route the extension cables through. The adjustment knobs can be removed to allow the line to pass through smaller openings, minimizing cutting. For proper installation, be sure to fully loosen the set screw, insert the cable, then securely tighten it using the provided Allen key.

Kit Includes:

(2) Rear damping adjuster extension cables

Installation hardware and Allen key

A smart upgrade for track cars, daily drivers, or anyone who values easy access to suspension tuning, without compromising interior fit and finish.

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Fall Line - Corporate Logo
T#:5580987
Part#: FLM-F87-1BFLINK
Ships on Aug 7, 2026
$ 219.99 USD
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$ 219.99 USD
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BMW F8X M2 M3 M4 Front Sway Bar End Link Kit is essential for achieving optimal corner balance and handling in your BMW. This kit allows for precise adjustments to ensure the sway bar remains properly aligned and stress-free at static ride height. Adjustable sway bar end links are crucial for maximizing mechanical grip and stability during cornering, braking, and acceleration. By ensuring even loading and eliminating any “zero load” points, this kit enhances chassis dynamics and delivers superior performance.

  • Improved Handling: Ensures the sway bar is completely unloaded and unstressed at static ride height for enhanced chassis dynamics.
  • Enhanced Corner Balance: Helps achieve an even distribution of weight across each tire, improving stability and grip.
  • Precision Adjustment: Allows for fine-tuning of the sway bar links to maintain proper alignment and prevent uneven loading.
  • Durable Protection: Dust boots seal the end links to prevent dust and debris from affecting performance.
  • Essential for Performance: Critical for those seeking the best handling and cornering performance from their BMW M car.
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034Motorsport - Corporate Logo
T#:31125663
Part#: 034-402-4041
Back Ordered
$ 201.00 USD
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$ 201.00 USD
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BMW F8X F2X F30 034Motorsport Billet Adjustable Front Sway Bar End Links offer superior performance by replacing the flimsy OEM sway bar end links with high-quality, adjustable spherical end links. These end links are engineered to ensure precise transfer of suspension energy to the sway bar, enhancing both street and track performance. Key features include:

  • CNC machined from 6061-T6 aluminum with an anodized black finish for durability
  • Zinc-plated steel ball joints for increased strength
  • Spherical design eliminates deflection and ensures proper articulation
  • Motorsport quality Aurora spherical bearings with self-lubricating Teflon race lining
  • +/- 0.75" of adjustability (1.5" total adjustment range) for precise sway bar preload adjustment
  • Essential for corner balancing lowered vehicles and optimizing sway bar reaction time
  • Compatible with all stock and aftermarket sway bars
  • Sold in pairs with all necessary hardware included
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ECS Adjustable Front Sway Bar End Links (255-315mm) - E8X/E9X F2X/F3X...
Measure before purchasing! This is for custom/lowered applications only and may not fit...
ECS - Corporate Logo
T#:54959270
Part#: 059091LA01
In Stock
New Item
$ 199.99 USD
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$ 199.99 USD
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Upgrade your BMW's suspension with ECS Tuning Adjustable Sway Bar End Links, designed to provide up to 60mm (2.36") of adjustability. These end links allow you to eliminate sway bar preload or fine-tune it for specific racing needs and corner balancing. When installed, they improve drivetrain clearance and enhance sway bar responsiveness by reducing deflection, ensuring superior handling. Perfect for lowered vehicles using springs, coilovers, or air-ride suspension systems, these adjustable sway bar end links allow you to remove unwanted preload caused by changes in the center-to-center distance between sway bar mounting points. By adjusting the end links to a neutral position, you eliminate sway bar preload, enhancing suspension performance in various driving conditions.

The main body of the ECS Sway Bar End Links is crafted from strong, lightweight 6061-T6 billet aluminum and anodized red for superior corrosion resistance. Featuring left and right-hand threaded center sections and machined hex wrench fittings, these end links allow for quick and easy on-the-car adjustments. Zinc-plated hardware ensures secure and lasting adjustments, while the heavy-duty ball joint ends come with weather-resistant rubber boots and stainless steel wire retainers, providing superior protection against salt, rain, and ozone for extended durability. Each kit also includes zinc-plated Nyloc nuts and hardened steel washers for secure installation and improved contact surface on the sway bar.

These end links are designed, engineered, and rigorously tested by ECS Tuning to ensure the highest quality. Whether you have a lowered or stock suspension, these adjustable sway bar end links are the perfect upgrade, offering a high-quality, heavy-duty replacement that fits your specific needs.

Features:

Range of Adjustment: 255mm (10") to 315mm (12.4") 6061-T6 Billet Aluminum Construction: Red anodized for superior corrosion resistance Zinc-Plated Hardware: Provides durability and superior corrosion protection Right and Left-Hand Threaded Center Sections: Quick and simple on-the-car adjustments Heavy-Duty Ball Joints (M10x1.5): Weather-resistant rubber boots and stainless steel wire retainers for long-lasting durability NOTE: If you've modified your vehicle's suspension with aftermarket struts or coilovers, the mounting location for the sway bar end link may have moved. To confirm fitment with our adjustable end links, please measure the distance between the sway bar and the mounting location on the strut body with the vehicle at ride height and confirm that it is within the 255 mm - 315mm range of adjustment.

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Fall Line - Corporate Logo
T#:28038192
Part#: FLM-F8X-G8X-1BRL
Ships in 1 Business Day
$ 198.00 USD
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$ 198.00 USD
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Lowering your car is often the first step in suspension tuning, but occasionally, this process can adversely affect other associated components. Unwanted sway bar pre-load may be one of these consequential effects, adding asymmetrical spring rate bias to one side of the car versus the other. This imbalance may affect your overall chassis dynamics and corner balance. For this reason, adjustable sway bar end links are critical—by adjusting each link with the car at operating weight, you can ensure the sway bar is completely unloaded at your determined ride height, restoring your chassis' balance and your confidence in all driving situations. Unlike all other link kits on the market that utilize the cheaper and simpler jam-nuts, Fall-Line utilizes OE tie-rod end style pinch-nut fasteners to ensure they never lose their set length. NOTE: Installed photos show V1 jam-nut style V2 Key Features: Now includes OE tie-rod end style pinch-nut fastener rod ends Eliminates the typical jam-nut rod ends that are known to move over time Designed for superior corner balancing Ensures equal weight distribution on each tire Compatible with height adjustable dampers Eliminates uneven cross-weights Prevents sway bar-induced suspension stress Allows for precise customization through length variation Includes dust boots to protect against dust interference Made in USA Sold as a pair
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Fall Line - Corporate Logo
T#:27938408
Part#: FLM-G8X-1FRTAK
Ships on Aug 28, 2026
$ 679.99 USD
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$ 679.99 USD
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This item can function as the Rear Lower Tension Arm, as well as a Fixed Toe Arm. This SKU replaces OEM BMW Part number: 33322284534 Experience championship-level performance with Fall-Line Motorsports' precision-engineered suspension components. Crafted from aircraft-grade billet aluminum and finished with military-spec hard coat anodizing, these components are designed to elevate your driving experience to victory. Improved Handling and Durability Fall-Line's F8X / G8X lower tension arms and fixed toe arms are built to excel in motorsport conditions. Their CNC-machined, one-piece construction ensures both strength and longevity. Featuring the largest FK spherical bearings on the market, these arms eliminate rubber from critical areas, giving you ultimate control over your car's tire behavior and enhancing your confidence behind the wheel. Stainless steel spiral locks provide 360-degree clamping force for a secure fit under competition-level loads. Long-Lasting Performance Our spherical bearings outlast OEM rubber variants, sparing you the hassle of repeated replacements. While these suspension upgrades offer improved feedback and handling, they may result in a slight increase in noise, vibration, and harshness. Product Details: Compatible with all G8X and F8X M cars DMG Mori 5-Axis CNC machined 6061-T6 aluminum Full stainless bearing assembly (hats, bearing, housing, spiral locks) Sold in pairs; designed to replace rear trailing/tension arms (BMW Part Number: 33-32-2-284-534) MIL Spec hard coat clear anodizing Made in the USA Fixed toe arms retain factory Eccentric bolt adjustment
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Fall Line - Corporate Logo
T#:20979735
Part#: F8X/E9X-1FLCOCA
Ships in 1 Business Day
$ 995.00 USD
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$ 995.00 USD
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*NOTE: ONLY FOR CARS WITH TRUE REAR COIL OVER CONVERSION - NOT COMPATIBLE WITH STOCK REAR SPRINGS* Fall-Line Motorsports has taken everything they've learned in manufacturing over the last decade to create an ultra-high-end interpretation of the G8X / F8X M2 M3 M4 and E9X M3 lower camber arm. Fall-Line's bespoke version discards the deformation-prone stamped steel arm that includes a provision for the rear coil spring in favor of 5-axis CNC machined, billet aluminum that eliminates the rear coil mount. This pair has been gorgeously crafted and pocketed (to save weight without compromising rigidity) and is hard coat black anodized for ultimate resistance to wear. So too has the hardware been given an upgrade—10.9 grade corrosion-resistant extended bolts are included to replace the inferior factory pieces. These arms represent another exciting entry into the often neglected F8X / E9X suspension arm market and add valuable peace of mind for street or motorsport duty from the undisputed champion within the BMW realm. Product Details: For all G8X, F8X, and E9X M3 cars using TRUE Rear Coil Over Conversion ONLY DMG Mori 5-Axis CNC machined, billet aluminum construction Hard coat black anodized Includes Camber Shim Set Sold in pairs
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Fall Line - Corporate Logo
T#:28038181
Part#: FLM-G8X-1BLCABO
Ships in 1 Business Day
$ 329.99 USD
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$ 329.99 USD
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Experience championship-caliber performance with Fall-Line's Lower Control Arm Bearings, proudly Made in the USA. From years of competitive racing, Fall-Line is synonymous with producing top-tier suspension components that excel on the track. The weak link in the latest M Cars' rear camber arms is the rubber bushings, but Fall-Line's new lower control arm bearings offer a game-changing solution. This SKU replaces OEM BMW Part number: 33326792553 Key Features: Designed for all G8X and F8X M cars DMG Mori 5-Axis CNC machined for precision Full stainless bearing assembly including hats, bearings, housing, and spiral locks Sold in pairs; designed to replace the rear control/camber arm outer bearings (BMW Part Number: 33-32-6-792-553) By eliminating rubber from this critical feedback area, Fall-Line provides control over the tire's behavior and confidence behind the wheel at the limit. These bearings feature the largest FK spherical bearings on the market, ensuring strength and longevity even under competition-level loads. Stainless steel spiral locks offer 360 degrees of clamping force, securing the bearing from any potential movement. As a bonus, these spherical bearings outlast OEM rubber variants, eliminating the headache of repeated replacements over your ownership. Please note that, as with any elimination of suspension bushings, there may be a slight increase in noise, vibration, and harshness after installation. Upgrade your suspension with Fall-Line's Lower Control Arm Bearings and take your driving experience to the next level. Invest in championship-level performance with Fall-Line, the trusted name in motorsport.
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Fall Line - Corporate Logo
T#:5580939
Part#: FLM-F8XWUAK
In Stock
$ 1,040.00

This product was last offered at the strikethrough price on
05-19-2026

$ 990.99 USD
Limited Qty Sale
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$ 1,040.00

This product was last offered at the strikethrough price on
05-19-2026

$ 990.99 USD
Limited Qty Sale
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These upper wishbones boast two major benefits: replace the OEM rubber bushings with spherical units and add valuable adjustability versus the standard, fixed arm. The new adjustment capabilities allow ultra fine-tuning within the full-suspension suite—the more consistent suspension geometry, amongst other benefits, results in significantly improved performance and confidence in all driving conditions.
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Fall Line - Corporate Logo
T#:28038190
Part#: FLM-F8X-1FWUAK
In Stock
$ 1,040.00 USD
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$ 1,040.00 USD
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From years of competitive race experience, Fall-Line has become synonymous with producing not only championship caliber race cars, but the finest suspension components that help propel them to victory. As the final piece within Fall-Line’s suite of rear suspension offerings for the F8X M2 / M3 / M4, these upper wishbones boast two major benefits: replace the OEM rubber bushings with spherical units and add valuable adjustability versus the standard, fixed arm. The new adjustment capabilities allow ultra fine tuning within the full suspension suite—the more consistent suspension geometry, amongst other benefits, results in significantly improved performance and confidence in all driving conditions. These arms are direct replacements for BMW Part No. 33322284777. The F8X cars will notice an immediate difference due to its unique subframe and chassis relationship—torsional rigidity is further improved with the addition of these arms with only marginal increases in NVH. As an added benefit, the spherical bearings will outlast the OEM rubber variants, saving the headache of repeated replacement over your ownership. Product Details: Fits all F8X M2 / M3 / M4 Motorsport clamp-style fastener for faster, more reliable alignment adjustments Long-life FK spherical bearings Made in USA Replaces OEM BMW Part Numbers: 33-32-2-284-777
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Fall Line - Corporate Logo
T#:598880
Part#: FLM-F87-1BUNI
Ships in 1 Business Day
$ 423.00 USD
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$ 423.00 USD
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Fall Line’s mono ball spherical bearing conversion kit transforms the front steering and suspension feel of the M2. The factory rubber bushing is very large, and is prone to substantial deflection under load, as the M2 is put through its paces. Deflection of the bushing can create unwanted geometry change, steering wobble under braking, and even hysteresis of the thrust arm. The bearing’s housing is precision machine from aluminum, to create a rigid part that allows for the M2’s thrust arm to move smoothly through its range of suspension travel. The improvement in steering and suspension feel is immediate and truly enhances the personality of the M2.
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Fall Line - Corporate Logo
T#:27938412
Part#: FLM-G8X-1BRUCA
Back Ordered
$ 350.00 USD
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$ 350.00 USD
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MADE IN THE USA. Rubber bushings found in the G8X’s rear upper arms are the last weak link in an otherwise rigid suspension. The original BMW bushings yield to cornering forces applied to the suspension, resulting in camber and toe change that is not ideal for performance driving. Fall Line’s kit replaces the soft upper control arm bushings with spherical bearings, enabling the rear suspension arms to move smoothly through their travel and giving the rear of a car a more solid, planted feel. The reduced geometry change allows for the car to retain its desired alignment, maintaining better control over the tire’s behavior under heavy load. Designed to replace the inner bushings of the rear upper control arms; BMW Part Numbers: 33322284777, 33329504611, and 33329504612. The BMW M cars feature a subframe that is directly mounted to the chassis by BMW M, to reduce suspension compliance and improve performance and driving feel. Similarly, the Fall Line upper control arm bearings rigidly mount the suspension arms to the subframe, increasing driver feedback, reducing geometry change, and improving performance. As with any elimination of suspension bushings, more feedback does equate to more road and suspension noise. While the Fall Line rear upper control arm bearings are a substantial performance improvement, please do be prepared for increased noise, vibration, and harshness after installing the parts. Product Details: DMG Mori 5-Axis CNC machined Full stainless bearing assembly (hats, bearing, housing, spiral locks) Price is per set of 4 (2 per side); designed to replace the inner bushings of the rear upper control arms (BMW Part Numbers: 33-32-2-284-777, 33-32-9-504-611, & 33-32-9-504-612)
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ECS - Corporate Logo
T#:367171
Part#: ECSCOWRENCHSET
In Stock
Sale - Save 3% $ 78.99

This product was last offered at the strikethrough price on
06-13-2026

$ 76.62 USD
Free Shipping on orders $49 and up
Sale - Save 3%
$ 78.99

This product was last offered at the strikethrough price on
06-13-2026

$ 76.62 USD
Free Shipping on orders $49 and up

Revamp Your Suspension with the BMW & MINI Coilover Wrench Set

  • Compatible with BMW and MINI models for versatile use
  • Durable construction ensures long-lasting performance
  • Ergonomic design provides comfortable handling during installation
  • Allows for precise adjustment of coilovers for optimal ride quality

Upgrade your BMW or MINI's suspension system with the BMW & MINI Coilover Wrench Set. This set is compatible with various BMW and MINI models, offering versatile compatibility for a wide range of vehicles. Constructed from durable materials, these wrenches are built to withstand the rigors of frequent use and provide long-lasting performance. The ergonomic design ensures comfortable handling during installation, reducing fatigue and allowing for more efficient work. With the BMW & MINI Coilover Wrench Set, you can easily adjust your coilovers to achieve the optimal ride quality for your vehicle.

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