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BMW Control Arm Replacements & Upgrades for BMW E30 M3 S14 2.3L

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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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DTM Style Rear Trailing Arm Bushing Kit - w/ Fluro Motorsport Bearing...

T#:39025510

Part#: IRPDTM-30B

In Stock

$ 542.99 USD

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$ 542.99 USD

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Upgrade your rear trailing arms with this DTM-style adjustment kit from IRP. This kit replaces the stock bushing side of the rear trailing arm - requires cutting of the rear trailing arm and welding of the new bushings in place. Professional installation is highly recommended.

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BMW E30 Suspension Refresh Kit

2X Entries Into Our F80 M3 Sweepstakes

T#:639151

Part#: E308PCKITM3

In Stock

$ 239.99 USD

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$ 239.99 USD

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Front Upgrade Kit; uses stiffer M3 bushings, which fits standard E30 models Includes: (1) 31 12 1 127 725 (1) 31 12 1 127 726 (2) 31 35 1 091 764 (2) 32 11 1 125 186 (1) 31 12 9 061 222

Front Control Arm Bracket Kit - E30, E36, Z3

10X Entries Into Our F80 M3 Sweepstakes

T#:343068

Part#: TSU9995PB3KT

In Stock

Sale - Save 18% $ 117.99

This product was last offered at the strikethrough price on
03-17-2026

$ 97.30 USD

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Sale - Save 18%

$ 117.99

This product was last offered at the strikethrough price on
03-17-2026

$ 97.30 USD

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Control arm bushing brackets do not typically wear or fatigue. But we sell replacement brackets as a convenience to go with new bushings (press one bushing instead of pressing out the old). For racers it's a great idea to keep a spare set of bushings with brackets on hand since pressing bushings at a racetrack is not ideal. Keep a spare set to avoid hassle and downtime.

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URO Steel Front Control Arm - Left - BMW E30

2X Entries Into Our F80 M3 Sweepstakes

T#:362018

Part#: 31121127725

Back Ordered

$ 67.99 USD

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$ 67.99 USD

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Includes ball joints

Basic Monoball Bearing Service Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:401616

Part#: 80402KT2

Back Ordered

Sale - Save 2% $ 103.99

This product was last offered at the strikethrough price on
05-03-2026

$ 101.44 USD

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Sale - Save 2%

$ 103.99

This product was last offered at the strikethrough price on
05-03-2026

$ 101.44 USD

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This monoball service kit is designed to ensure long-lasting performance of your BMW suspension components by providing the correct CV-2 grease and a Schwaben snap-in grease gun nozzle—perfect for proper installation and routine maintenance at every oil change.

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Front Control Arm Bushings (FCAB) - Offset Rubber - E30, E36, Z3 (Pai...

10X Entries Into Our F80 M3 Sweepstakes

T#:338063

Part#: 31129064875

Back Ordered

Starting at $ 207.99 USD

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Starting at $ 207.99 USD

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Anytime that you replace your front control arms (which should be often), you must replace your control arm bushings. The reason is because it's hard to tell if you're bushings are really bad and they are often destroyed when removed. These bushings have the hole off-center to give your car a little more track, caster, and camber. They are a solid rubber bushing that is great for the street. These came as standard equipment on E30 M3s (8/89-later) and 1995 E36 M3s.

For convenience, we carry the steel bushing carrier brackets (part# TSU9995PB3) with new hardware which will save you downtime caused by pressing out the old bushings and pressing in the new bushings.

This item fits the following BMWs:
1984-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is M3
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe

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Front Inner Ball Joint - Priced Each

2X Entries Into Our F80 M3 Sweepstakes

T#:373228

Part#: 31121126253

Ships in 1 Business Day

$ 15.99 USD

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$ 15.99 USD

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Front lower ball joint from control arm to lower sub frame

Front Control Arm Bushing Set

2X Entries Into Our F80 M3 Sweepstakes

T#:384530

Part#: 31129061222

Ships in 1 Business Day

$ 32.99 USD

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$ 32.99 USD

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Restore the handling and road feel you expect from your legendary M3. Old and failing bushings detract from your driving experience, so replace them immediately and enjoy a proper suspension feel.

Front Outer Ball Joint - Priced Each

2X Entries Into Our F80 M3 Sweepstakes

T#:373229

Part#: 31121126254

Ships in 1 Business Day

$ 13.99 USD

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$ 13.99 USD

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Need to replace the control arm ball joint but don't want replace the whole arm? Here is the solution, a new ball joint designed to fit the stock control arm.

IRP Lock Kit Standard Drift Suspension Kit - E30

T#:401483

Part#: IRPDK30-1

Special Order: No Guaranteed ETA

$ 1,209.99 USD

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$ 1,209.99 USD

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Looking to upgrade your front suspension to increase the strength and your steering angle for the track? IRP has you covered with their BMW Lock Kit. This kit includes new control arms that are stronger than stock and have monoball ball joints, new tie rod ends that feature steel monoball ball joints as well, new offset control arm bushings, fully adjustable camber plates, roll center/bump steer correction plates, and all new hardware. This enables this kit to be fully plug and play, giving you a much more adjustable front suspension, and increases the total amount of steering angle up to 65 degrees.

This kit is perfect for those looking to build a drift car and ensure their suspension is ready to take on the challenge.

Kit features:

CNC Laser Cut Components
Plug & Play - includes all needed hardware
Increase to 65 Degree (or more) steering angle
Includes Camber Plates
Stiffer offset control arm bushings
Roll Center and Bump Steer Correction Plates
High strength control arms with steel monoball ball joints
Increased length steering tie rods with steel monoball ball joints
DriftAllstar- & EEDC-Tested
Total weight of all components included: 13.5 kg / 29.8 lbs

Fits the following BMWs:
1982-1991 E30 BMW All RWD Submodels

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IRP Lock Kit Pro Drift Suspension Kit - E30

T#:401477

Part#: IRPDK30-2

Special Order: No Guaranteed ETA

$ 1,567.99 USD

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$ 1,567.99 USD

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Looking to upgrade your front suspension to increase the strength and your steering angle for the track? IRP has you covered with their BMW Lock Kit. This kit includes new control arms that are stronger than stock, are a chromolon tubular system, and have monoball ball joints, new tie rod ends that feature steel monoball ball joints as well, new offset control arm bushings, fully adjustable camber plates, roll center/bump steer correction plates, and all new hardware. This enables this kit to be fully plug and play, giving you a much more adjustable front suspension, and increases the total amount of steering angle up to 70 degrees.

This kit is perfect for those looking to build a drift car and ensure their suspension is ready to take on the challenge.

*This Pro kit offers reduced weight control arms that help this kit shed 2.9 lbs from the standard kit while still remaining just as strong thanks to their chromolon tubular design.*

Kit features:

CNC Laser Cut Components
Plug & Play - includes all needed hardware
Increase to 70 Degree (or more) steering angle (5 degrees more than standard version)
Includes Camber Plates
Stiffer offset control arm bushings
Roll Center and Bump Steer Correction Plates
High Strength chromolon tubular control arms with steel monoball ball joints (2cm wider than standard version)
Increased length steering tie rods with steel monoball ball joints
DriftAllstar- & EEDC-Tested
Total weight of all components included: 12.2kg / 26.9lbs (1.3kg / 2.9lbs lighter that standard version)

Fits the following BMWs:
1982-1991 E30 BMW All RWD Submodels

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