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    BMW E46-M3 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.
    You're currently viewing parts for your (E46) M3 2001-2006. Reset your chassis
    For accurate results, specify your year and model below.
    This E36 or Z3 front control arm is a direct replacement for the original part and is the OEM Lemforder brand.

    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. 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. For a street-driven car we advise yearly inspection and a full replacement every 3-4 years. For track-driven cars these should be inspected before every event and replaced every two years.

    We also recommend replacing the bushings when changing the control arms. The bushings are mounted at the back of the control arm and located the arm to the frame rail on the car. The stock bushings are rubber and will wear out sooner than the control arms themselves. With the control arm off the car now is the perfect time to also replace the bushings.

    This item fits the following BMWs:
    2001-2006 E46 BMW M3
    Part #: 31122229453
    Price: $299.00 (USD) 
    Quantity:   
    This E46 M3 front control arm is a direct replacement for the original part and is the OEM Lemforder brand.

    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. 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. For a street-driven car we advise yearly inspection and a full replacement every 3-4 years. For track-driven cars these should be inspected before every event and replaced every two years.

    We also recommend replacing the bushings when changing the control arms. The bushings are mounted at the back of the control arm and located the arm to the frame rail on the car. The stock bushings are rubber and will wear out sooner than the control arms themselves. With the control arm off the car now is the perfect time to also replace the bushings.

    This item fits the following BMWs:
    2001-2006 E46 BMW M3
    Part #: 31122229454
    Price: $299.00 (USD) 
    Quantity:   

    Made in the USATop seller! The Turner Adjustable Rear Camber Arms: The Only Adjustable Arms Approved for Grand-Am Continental Tire Challenge Racing Series

    Why you should use Turner Motorsport camber arms on your car:

  • If you have a lowered car and have run out of adjustment with the stock camber arms.
  • If you have a track car and are looking for increased camber adjustment, light weight pieces, stronger components, and improved suspension handling
  • Two bushing styles to meet your needs: solid rod-end for track-only use, or rubber bushing for mixed street/track use (approved by Grand-Am!)
  • The high range of adjustment allows a full racecar setup or a heavily lowered car to maintain factory specifications.
  • Only high quality and high strength materials and components are used
  • Aluminum camber arms are designed as a lightweight component, thereby reducing wear and tear on other, more critical parts (rear subframe, control arm bushings, etc). Each camber arm weighs only 2.5 lbs making for a total of 5 lbs for both parts! Stock camber arms weigh 3 lbs each. We have seen competitor's arms that weigh twice as much!
  • Hardcoat anodized aluminum, stainless steel turnbuckles, and stainless rod ends to all but eliminate corrosion from getting into the threads and making adjustment difficult.
  • CNC-machined double shear design for ease of installation, high strength, and choice of outside bushing material. But we do suggest using with (outer bushing # 33326775551) for best performance.
  • Easy adjustment - our main adjustment point is on the outside by the wheel so there is no need to work around the exhaust or subframe to adjust camber.
  • All hardware included.
  • End Type Street Track BMW CCA
    Prepared Legal
    Easy
    Adjustment
    Bushing
    Life
    Replaceable/
    Rebuildable
    Ride
    Comfort
    Bushing
    Deflection
    Friction
    Rod-End X X X X Medium Yes Medium None Lowest
    Rubber Bushing X X X X Long Yes Excellent High Highest


    Installation Instructions:
    Instructions for Rod-End Style (TSU9940001)
    Instructions for Bushing-End Style (TSU9940B77)

    Part #: TSU9940X
    Price: $299.95 (USD) 
    E36/E46/Z4, including M models, rear lower control arm (camber arm, wishbone). This is a direct replacement for the stock arm and includes the inner bushing. These arms are designed to be slightly weak and flimsy as they will absorb impact energy. It's better for this arm to absorb an impact rather than the wheel or trailing arm, or subframe, etc. Also, unknowing tow truck drivers like to use this part to hook their chains on to. Consequently they bend as easily as a coat hanger.
    Part #: 33321138380
    Price: $69.95 (USD) 
    Quantity:   
    Designed and built in-house at BMW Motorsport, these are stock rear camber arms from the E36 M3 that have been strengthened by welding a reinforment in between the wishbones. Stiffer than the stock units and still adjustable for camber. This arm is legal in many racing classes where an aftermarket arm is not permitted. Sold individually, two required per car.

    For maximum adjustment solid aluminum camber arms, you may also want to check out our TMS E36/E46 Adjustable Rear Camber Arms.

    This arm does not include a bushing, but you may choose add a bushing using the drop down below. For an additional charge, you can get the bushing pre-pressed into the arm, so it is ready to install on the car (no added shop time or hydraulic press required).

    Part #: 33327749778N
    Price: $149.95 (USD)