BMW Control Arm Replacements & Upgrades for BMW E46 M3 S54 (1999-2005)

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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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IRP - Individual Racing Parts - Corporate Logo
T#:401372
Part#: IRPCA-ST
In Stock
$ 233.99 USD
Free Shipping
$ 233.99 USD
Free Shipping

If you are looking for a wider range of camber adjustability in the rear of you car, the IRP Adjustable rear lower control arm is exactly what you need! Built to be much stronger than stock, these rear control arms feature inner monoball bushings and are built of steel, reducing the weight as well. These are perfect for a lowered car or for a track car that needs a greater level of rear adjustment.

Features:

  • Strong Steel Construction
  • Adjustable
  • Painted Yellow For Corrosion Protection
  • Weight Reduction
  • Monoball Inner Mount

This item fits the following BMWs:
1992-1999 E36 BMW 318i 318is 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2006 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
2003-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe

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Front Control Arm Housing Set - E46 M3
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:394278
Part#: 3112222962XKT
Ships in 6 Business Days
Sale - Save 10% $ 93.99

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

$ 84.44 USD
Free Shipping on orders $49 and up
Sale - Save 10%
$ 93.99

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

$ 84.44 USD
Free Shipping on orders $49 and up

There's finally an option to buy housings separate from the bushings, this way you don't have to live with the stress placed on the stock housings when pressing the old bushing out. The biggest benefit come in when there isn't already a pre-pressed in option for poly and spherical upgrades, this leaves the only option of pressing the old bushings out. Through out in-house testing when designing our poly and spherical upgrades we noticed that pressing the bushing out caused stress in some cases creating hairline cracks in the housing leaving it vulnerable to failure.

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

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IRP - Individual Racing Parts - Corporate Logo
T#:401482
Part#: IRPDK46M-1
Special Order: No Guaranteed ETA
$ 1,209.99 USD
$ 1,209.99 USD

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:
1999-2006 E46 BMW M3

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Bremmen Parts - Corporate Logo
T#:640138
Part#: 33321092247
Ships on Nov 25, 2026
Sale - Save 19% $ 7.99

This product was last offered at the strikethrough price on
06-25-2026

$ 6.49 USD
Free Shipping on orders $49 and up
Sale - Save 19%
$ 7.99

This product was last offered at the strikethrough price on
06-25-2026

$ 6.49 USD
Free Shipping on orders $49 and up
This is the replacement rear upper control arm inner bushing. (sold individually) Bushings tend to wear over time and split or even break free from the internal sleeve, causing excessive movement and sloppy control feel. OEM Lemförder bushings are the perfect option to restore suspension back to day 1 quality.
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Front Lower Control Arm - Right
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:56001957
Part#: 31122229454
Ships on Nov 19, 2026
New Item
$ 165.99 USD
$ 165.99 USD
Front Lower Control Arm - Left
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:56001955
Part#: 31122229453
Ships on Nov 19, 2026
New Item
$ 155.99 USD
$ 155.99 USD

Front Lower Control Arm Set
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:56074206
Part#: 311222294534KT4
Ships on Nov 19, 2026
New Item
$ 321.99 USD
$ 321.99 USD
Control Arm Bushing - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:57507426
Part#: 33326770824
Special Order: No Guaranteed ETA
New Item
$ 8.99 USD
$ 8.99 USD