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Turner Motorsport 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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Quick Steer/Roll Center Correction Race Kit - E36 M3 S50 (w/ Z3 Steer...
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For vehicles with a Z3 2.7 Steering Rack installed only
Turner Motorsport - Corporate Logo
T#:636994
Part#: 022961TMS012KT4
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$ 722.39 USD
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Not only does our Roll Center Correction Race Kit correct your roll center and improve handling, but it also provides increased steering response and bump steer correction. Thanks to the use of our rack limiters, you can maintain the same steering angle as before, while drastically decreasing steering wheel input. After the kit was installed on our E36 M3 test vehicle equipped with a Z3 2.7 turn lock to lock steering rack, it only required 2 full turns lock to lock. A reduction of 26%! Bump steer is also correctable to virtually 0, thanks to spacers to adjust tie rods up or down. When you lower a car, it drastically changes the geometry of the suspension. While lowering a car makes it handle better by lowering the center of gravity, the roll center is negatively impacted, increasing the roll moment, which causes cornering forces to have more of an effect on the body roll of the vehicle. This is normally ignored because the stiffer lowering springs make the issue less noticeable, but ultimately grip is lost, and body roll is increased. Once the roll center has been corrected it is immediately apparent how much the performance of the vehicle had been suffering prior. By correcting the outer ball joint location with our Roll Center Correction Race Kit, the instantaneous center of rotation is raised, bringing the roll center much closer to the center of gravity, and significantly decreasing roll movement. This minimizes body roll, provides more grip, and ultimately leads to an improved and predictable driving feel. Roll Center can be a rather complex concept. Let’s break it down: On a McPherson front suspension vehicle, both the top of the strut and lower control arm sit at an angle. If you were to draw 2 lines, one from the upper strut mount perpendicular to the steering axis (line through lower ball joint and upper strut mount pivot) and another from the control arm outer and inner ball joint/pivot, Where they intersect is called the instantaneous center of rotation. This is the point about which the suspension is rotating at that instant. Now, noting the vertical center of the car, draw another line from the bottom of the center of the tire contact patch, to the instantaneous center of rotation. Where this line intersects with the vertical center of the car is where your “roll center” is. The distance between the roll center, and the center of gravity is called the “roll moment”. The larger the distance, the larger the body roll. By decreasing the distance between your center of gravity and your roll center, you can decrease the amount of body roll, and decrease suspension geometry change, and ultimately gain better handling. Features: 6061-T6 billet aluminum steering plate All specially designed, melonite coated, class 10.9 hardware Provides roll center correction for lowered cars (coilovers recommended, lowering springs and replacement shocks generally provide too much droop) Provides bump steer correction and adjustment Includes ball joint replacements (e36M 027427TMS01~A, E36/46 NM 022961TMS01~A) Kitted with high-quality FK rod ends
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Turner Performance Adjustable Rear Suspension Upgrade Kit - E9X, E8X ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:1241331
Part#: E9XPERFSUSRKT
In Stock
Sale - Save 3% $ 1,968.99

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

$ 1,909.88 USD
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$ 1,968.99

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Having issues with bump steer or sway bar preload in your lowered car? Looking for wider range of suspension adjustability? Look no further! This comprehensive kit contains all of the parts used and recommended by Turner Motorsport to correct, upgrade, and fine tune your suspension to your liking! From roll-center correction to widened range of adjustment over factory eccentric bolts, the parts in this kit have got you covered. Make the most of your BMW by replacing the slop of rubber bushings with spherical bearings and eliminating the limited adjustability of the factory suspension geometry. Kit Contents: Rear: Adjustable Toe Arms - Increased range of adjustment and low suspension deflection Upper Control Arms - Upgraded durability over weak OEM linkages Sway Bar End Links - Adjustable height to eliminate preload
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Rod End Boot (14-18mm) - Priced Each
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Turner Motorsport - Corporate Logo
T#:599632
Part#: RERS3
In Stock
$ 27.99

This product was last offered at the strikethrough price on
03-27-2026

$ 19.99 USD
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$ 19.99 USD
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Extend the life of your heim joints with this flexible rubber protective boot. Designed to fit 14mm–18mm spherical bearings and rod ends, it shields critical components from dirt, moisture, and road debris. Keeping contaminants out helps ensure consistent performance and reduces wear over time.
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Turner Motorsport E36 M3 Tubular Control Arms Kit - Drift
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Turner Motorsport - Corporate Logo
T#:2765546
Part#: 028439TMS02S50
In Stock
Sale - Save 15% $ 832.99

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

Starting at $ 708.04 USD
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$ 832.99

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Starting at $ 708.04 USD
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Our engineers designed this drift kit which allows +65mm more track width (per side) than stock. Wider track width reduces the amount of load transfer to the outside when cornering, increases cornering power, and allows more inner clearance for meaty wheel and tire setups or brake ducts.
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Front Control Arm Bushings (FCAB) - Delrin Solid Race - E46 (Not M3) ...
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Turner Motorsport - Corporate Logo
T#:3464
Part#: 31126757623D
Ships in 2 Business Days
Sale - Save 3% $ 187.99

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

$ 182.35 USD
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Sale - Save 3%
$ 187.99

This product was last offered at the strikethrough price on
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$ 182.35 USD
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The performance of the front suspension depends almost entirely on this one bushing. The BMW front control arm mounts to the chassis with this bushing at the back. If the original rubber has worn it will have a major impact on the alignment, steering, and braking. This is why race teams like ours ditch the factory rubber and put something more solid in its place. The car will be more responsive due to less deflection and the bushing will last longer (virtually no wear). These Delrin bushings use an aluminum sleeve and are nearly solid to conform to many racing series rules, including SpecE46 and the Grand Am Cup series that we won back-to-back championships in.

These bushings require the 60mm bushing brackets (housings) from the E46 M3 or very early E46 models.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 328i 328ci 330i 330ci
2001-2006 SpecE46 BMW 330i 330ci
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Front Control Arm Bushings (FCAB) - Urethane Street - E46 M3 (Pair) ...
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Turner Motorsport - Corporate Logo
T#:2105
Part#: TMS-FCAB-E46M3
Ships in 8 Business Days
Sale - Save 3% $ 364.99

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

$ 354.04 USD
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$ 364.99

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

$ 354.04 USD
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Factory bushings are more than adequate for street driving on the E46 M3. However, once the miles start to pile up, the bushings are meant to be replaced. Common side effects of worn factory FCABs include, but are not limited to the following:

  • Steering wheel shutter when brakes are applied
  • Wheel (and steering wheel) shimmy
  • Mysterious and irregular tire wear
  • "Overboosted" steering feel (very light steering)

Replacing with new factory bushings will return the factory feel. These urethane core bushings, however, offer something MORE. These bushings are designed to deliver performance that surpasses the stock E46 M3 bushing, while still allowing them to be used in everyday driving scenarios on public roads.

With the numerous delrin/urethane/hybrid replacement bushings in the market, we wanted to offer bushings that were not only effective, but simple. No clips, no washers, no multiple sleeves, and no "race parts in street cars". They have an aluminum outer sleeve with a replaceable, compliant urethane core that is serviceable and rebuildable. These urethane inserts prevent unwanted control arm deflection, while allowing noise/vibration/harshness (NVH) isolation -- a must on any bushing being used on a street driven car. And because of their compliance they remain very comfortable for daily use. But because they are a heavier-duty design than stock, these eliminate steering shimmy and wander, especially with the addition of big brake upgrades. They maintain BMW's original suspension geometry, and give your M3 a directly "connected" feeling with the front end of the vehicle. Perhaps best of all, these bushings are easy to install and are designed for longevity. Professional installation on suspension components is always recommended.

Installation Instructions

This item fits the following BMWs:
2001-2006 E46 BMW M3

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Turner Front Thrust Arm Monoball Upgrade - Pre-Installed Arms - G42 R...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:27138559
Part#: 005654LA13
Ships in 6 Business Days
$ 768.99 USD
$ 768.99 USD

BMW's are notorious for their failure-prone control arm bushings. The pliable rubber bushings, present even in M performance models, allow substantial movement of the front wheels to enhance everyday driving comfort. However, they also permit significant alignment changes, leading to a disconnected and numb road feel that detracts from a confidence-inspiring driving encounter. Over time, the fluid-filled rubber bushings succumb to fatigue and cracking due to continual deflection and ozone degradation, ultimately resulting in the leakage of damping fluid and complete failure.

For the enthusiast looking for superior performance and longevity with a crisp, confidence-inspiring driving experience, our sealed ball joint monoballs are the best solution available! Our experience with spherical control arm ball joints go back to those we designed and used in our IMSA E90 328i and E92 M3 racecars (GS class Champions in 2011).

The bearing housing is precision CNC machined from 6061-T6 anodized aluminum and features a knurled OD to ensure a perfect press fit, and utilize a sealed OEM BMW ball joint for exceptional quality and durability, making them completely at home on both the street and track with no compromise. We have done extensive street, autocross, and track testing to ensure the ball joint used in this bushing design excels in each setting. The advantage of a sealed ball joint is that it eliminates all unwanted deflection while still allowing complete bind-free movement throughout suspension travel, resulting in exceptional control of wheel alignment. What you get is superior steering precision, turn-in response, direct braking feedback, and better handling.

In short, if you're seeking the ultimate in precise, predictable handling and control, with crisp braking response and a long service life that’s equally at home on the street or track - look no further. We have you covered.

Since BMW recommends the control arms be replaced for every other bushing change, we prefer to sell these as a pre-assembled set, and are available (T599476) if you would prefer that option.

Watch to learn more about Turner Monoball Bushings

Design:

OEM sealed, greased ball joint for exceptional durability and service life, even in the most severe operating conditions
6061-T6 anodized housing for excellent corrosion resistance
Turner designed knurled OD to provide the perfect fit for the wide range of thrust arm bore
CNC machined 304ss bearing inserts, providing a precision fit between the ball joint and the subframe
Performance Advantages:

Immediate, precise steering and breaking feedback
Long-lasting performance with minimal maintenance requirements
Enhanced road feedback minus any unnecessary noise, vibration, harshness

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Front Control Arm Bushings - Offset Rubber - Kit - E30, E36, Z3 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:348335
Part#: TSU9995PB3.875KT
Back Ordered
$ 207.99 USD
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$ 207.99 USD
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Turner Drift Tubular Control Arms w/Roll Center Correction Kit - E36 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:2750710
Part#: 028439TMS10KT
In Stock
Sale - Save 20% $ 1,867.79

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

$ 1,494.23 USD
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Sale - Save 20%
$ 1,867.79

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

$ 1,494.23 USD
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Our engineers designed this drift kit which allows +65mm more track width (per side) than stock. Wider track width reduces the amount of load transfer to the outside when cornering, increases cornering power, and allows more inner clearance for meaty wheel and tire setups or brake ducts.
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