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BMW Control Arm Replacements & Upgrades

Control arms, and their integrated ball joints, are some of the most crucial components on a BMW suspension. The control arms literally control the wheel and suspension as they go through their range of motions. They do more than just keep the alignment in a constant spec - they are a vital locating component for the suspension itself. A faulty or worn control arm or ball joint is a very dangerous and potentially life-threatening problem so make sure they are inspected and replaced at regular intervals.

Most control arms for BMWs consist of an inner and outer ball joint made of plastic, rubber, Delrin, or metal and covered in grease with a rubber boot to seal it from the outside. The ball joint rotates and spins as the control arm goes through its movements and that will wear the ball joint and make it loose. The grease inside the housing can also get used up, evaporate, or become contaminated from moisture and foreign particles. As the ball joint becomes worn it can result in excess movement within the housing. Your steering and handling will become less precise and there is usually a light clunking or clicking sound. In rare and extreme cases the ball joint can separate from the control arm completely, leading to a total loss of suspension and steering control. You should have the ball joint play checked annually and replace them every 3-4 years. Most track organizations will not allow a car if they are older than three years.

Control arms also take abuse from impacts and handling forces. Aluminum control arms will generally bend and prevent an accurate alignment. Steel control arms will crack and fracture and require close inspection annually and replacement every 3-4 years.

We sell OE BMW, OEM, and performance upgrade control arms from proven manufacturers. The control arm is so important to a BMW suspension that we insist on only top quality brands and designs and will never sell a control arm based on price alone. We also have upgrade packages with superior designs and better bushing options and we have bundled these together with valuable package savings.

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G8X / F8X Adjustable Toe Arm Set | Fall-Line Motorsports - Standard ...

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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Fall-Line Motorsports Lower Coil Over Camber Arm & Shim Set - G8X / F...

T#:20979735

Part#: F8X/E9X-1FLCOCA

Ships on Sep 4, 2026

$ 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 Motorsports E9X M3 / E82 1M Billet Aluminum Rear Trailing A...

T#:28038203

Part#: FLM-E9X-1FRTAK

Back Ordered

$ 449.99 USD

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$ 449.99 USD

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BMW E46 Z4 Lower Control Arm Assembly - Right

T#:587599

Part#: 31126758520

In Stock

$ 95.99 USD

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$ 95.99 USD

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Turner Motorsport Uro Premium Control Arms for BMW

Revitalize your BMW's suspension with Uro Premium control arms from Turner Motorsport. The relentless impact of potholes, speed bumps, and road hazards takes a toll on your suspension, affecting safety and ride comfort over time.

Key Benefits:

Improved steering responsiveness
Enhanced safety and ride comfort
Addresses non-serviceable ball joint wear
Minimizes steering wobble and clunking
Long-lasting performance for front and rear suspension

Replace worn control arms to experience a tighter steering feel and eliminate common suspension problems. For optimal results, replace parts in pairs (both left and right sides) or focus on components prone to failure during any front or rear suspension upgrade.

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Fall-Line Motorsports E9X M3 / E82 1M Adjustable Toe Arm Set - Standa...

T#:28038216

Part#: FLM-E9X-1FECOTOE

In Stock at Vendor

$ 329.99 USD

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$ 329.99 USD

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A byproduct of multi-link suspension arrangements is a dynamic change in the car’s alignment settings- when making an adjustment to one attribute like camber, track width and toe will follow. This is especially true for the E9x cars, as the original BMW camber eccentric bolt has an impact on toe as well. Alignments are made faster and simpler when using a set of aftermarket lower arms, enabling the alignment tech to easily reset toe after adjusting camber. The standard toe link kit by Fall Line Motorsports is designed to simplify toe changes at an alignment facility while still keeping cost reasonable. The standard toe link kit keeps costs down by using a traditional jam nut design in a sturdy billet arm. Adjustable threaded rod ends turn into and out of the arm for a wide range of toe adjustment, and enable an alignment technician to easily set toe on a lowered car.

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Rear Lower Control Arm Bearing Set - Outer - E9X M3/E82 1M

T#:5580972

Part#: FLM-E9X-1BLCABO

Ships in 3 Business Days

$ 329.99 USD

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$ 329.99 USD

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Rubber bushings found in the latest M Cars' rear camber arms are the last weak link in an otherwise rigid suspension. Fall-Line's new lower control arm bearings yield a significant improvement over the factory bushings; as motorsport parts, both strength and longevity were priorities—to do just that, Fall-Line boasts the largest FK spherical bearings on the market—by eliminating rubber from a critical feedback area of the car, you gain control over the tire’s behavior and thereby confidence behind the wheel at the limit. To adequately cope with competition-level load, Fall-Line bearings feature stainless steel spiral locks that offer 360 degrees of clamping force to secure the bearing from any potential movement.

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Rear Lower Control Arm Cup Subframe Bearing Set - E9X M3/E82 1M ...

T#:5580971

Part#: F8X-1BLCASB

Back Ordered

$ 419.99 USD

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$ 419.99 USD

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Rubber bushings found in the latest M Cars' rear camber arms are the last weak link in an otherwise rigid suspension. Fall-Line's new lower control arm subframe cup bearings yield a significant improvement over the factory bushings; as motorsport parts, both strength and longevity were priorities—to do just that, Fall-Line boasts the largest FK spherical bearings on the market—by eliminating rubber from a critical feedback area of the car, you gain control over the tire’s behavior and thereby confidence behind the wheel at the limit. To adequately cope with the competition-level load, Fall-Line bearings feature stainless steel spiral locks that offer 360 degrees of clamping force to secure the bearing from any potential movement.

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Rear Upper Control Arm Set - F8X

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 Motorsports G8X / F8X Rear Lower Tension / Fixed Toe Arm Se...

T#:27938408

Part#: FLM-G8X-1FRTAK

Ships in 3 Business Days

$ 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 Motorsports E9X M3 / E82 1M Front Mono Ball Conversion Kit ...

T#:28038194

Part#: FLM-E9X-1BUNI

In Stock

$ 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 M3. The factory rubber bushing is very large, and is prone to substantial deflection under load, as the M3 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 M3’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 M3. *V2 improved design also incorporates hard coat clear anodized finish*

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Fall-Line Motorsports F8X M2 / M3 / M4 Rear Upper Control Arm Set ...

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 Motorsports Front Mono Ball Conversion Kit - F87 M2 ...

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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Lower Tension Arm Bearing - Outer - E9X M3/E82 1M

T#:5580979

Part#: FLM-E9X-1BLTABO

Ships in 3 Business Days

$ 329.99 USD

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Qty

$ 329.99 USD

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By eliminating rubber from a critical feedback area of the car, you gain control over the tire’s behavior and thereby confidence behind the wheel at the limit. To adequately cope with competition-level load, Fall-Line bearings feature stainless steel spiral locks that offer 360 degrees of clamping force to secure the bearing from any potential movement.

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Trailing Arm Mono Ball Conversion Kit - E36/E46 M3

T#:5580954

Part#: FLM-E46-1BUNI

Ships in 3 Business Days

$ 408.00 USD

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$ 408.00 USD

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Fall Line’s mono ball spherical bearing conversion kit transforms the rear suspension feel of the E46 and E36 M3. The factory rubber bushing is very large, and is prone to substantial deflection under load, as the M3 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.

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BMW E9X M3/E82 1M Inner Lower Tension Arm Bearing

T#:5580975

Part#: FLM-E9X-1BLTABI

Ships in 3 Business Days

$ 329.99 USD

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$ 329.99 USD

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BMW E9X M3/E82 1M Inner Lower Tension Arm Bearing is engineered to elevate suspension performance with precision and durability. Developed by Fall-Line, known for their championship-level race cars and premium suspension components, this bearing is a significant upgrade over factory rubber bushings. Designed for motorsport applications, it incorporates FK spherical bearings for enhanced strength and longevity.

Superior Performance: Provides a notable improvement over OEM rubber bushings for enhanced control and feedback.
Durable Construction: Features the largest FK spherical bearings available, ensuring long-lasting reliability.
Enhanced Control: Eliminates rubber components to offer better control over tire behavior and increased driver confidence.
Robust Design: Equipped with stainless steel spiral locks for 360 degrees of clamping force to secure the bearing firmly.
Long-Lasting: Outperforms OEM rubber variants, reducing the need for frequent replacements.
Precision Engineering: CNC machined from high-quality materials in the USA for exact fit and superior performance.

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Fall-Line Motorsports E9X M3 / E82 1M Adjustable Toe Arm Set - Race ...

T#:28071501

Part#: FLM-E9X-1FRACTOE

Back Ordered

$ 650.00 USD

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$ 650.00 USD

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A byproduct of multi-link suspension arrangements is a dynamic change in the car’s alignment settings- when making an adjustment to one attribute like camber, track width and toe will follow. This is especially true for the E9x cars, as the original BMW camber eccentric bolt has an impact on toe as well. Alignments are made faster and simpler when using a set of aftermarket lower arms, enabling the alignment tech to easily reset toe after adjusting camber. The race toe link kit by Fall Line Motorsports is designed to facilitate rapid adjustments of toe during an alignment, and combined with the tension strut will also enable adjustment of overall track. Not only does this allow for fine tuning of wheel fitment, these arms will allow an alignment shop to make quick work of car setup, even simplifying the camber adjustment process as a result. The race toe links utilize a unique clamp-style fastener system as seen in BMW’s own tie rods and Porsche Motorsport components, tightening the adjustment arm in place with no stretch of the hardware or change of alignment. Less expensive jam-nut designs limit precision and nearly guarantee an alignment change when the jam-nut is tightened. Laser cut lockout washers correctly eliminate the original BMW adjustment, eliminating any unwanted movement in the system.

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Control Arm Replacements & Upgrades
- Front Control Arm (3)
- Rear Control Arm (13)

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