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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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URO - Corporate Logo
T#:363109
Part#: 31122229453
In Stock
$ 145.99 USD
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$ 145.99 USD
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Includes ball joints
URO - Corporate Logo
T#:363110
Part#: 31122229454
In Stock
$ 155.99 USD
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$ 155.99 USD
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Includes ball joints
URO - Corporate Logo
T#:373165
Part#: 31121132354
Ships in 2 Business Days
$ 88.99

This product was last offered at the strikethrough price on
03-28-2026

$ 86.99 USD
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$ 86.99 USD
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Includes rubber mounting

URO - Corporate Logo
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

URO - Corporate Logo
T#:593540
Part#: E398PCKIT
Back Ordered
$ 351.99 USD
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$ 351.99 USD
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Comes with everything needed to refresh the front end!
URO - Corporate Logo
T#:593200
Part#: 31126855742
In Stock
$ 81.99 USD
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$ 81.99 USD
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The thrust arm keeps the lower wheel straight and contacting the ground. If you have been in an accident or your bushings are beginning to fail, the only solution is replacement. Why not replace it with the same part that originally came on your vehicle?
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URO - Corporate Logo
T#:592248
Part#: 31126855741
In Stock
$ 81.99 USD
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$ 81.99 USD
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Control arm with ball joint
URO - Corporate Logo
T#:362915
Part#: 31126769801
Ships in 1 Business Day
$ 89.99 USD
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$ 89.99 USD
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Includes bushing and ball joint assembly.

URO - Corporate Logo
T#:362914
Part#: 31126769802
Ships in 1 Business Day
$ 85.99 USD
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$ 85.99 USD
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Includes bushing and ball joint assembly.

URO - Corporate Logo
T#:587846
Part#: 31126774825
Ships in 1 Business Day
$ 73.99 USD
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$ 73.99 USD
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Over the years, the road takes a serious toll on your suspension. Pot holes, speed bumps, and road hazards all contribute to a sloppy, weak suspension. To give a better feel to your driving experience, change components as they wear to improve safety and ride comfort.
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URO - Corporate Logo
T#:592238
Part#: 31126774826
Ships in 1 Business Day
$ 73.99 USD
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$ 73.99 USD
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Found in the front position
Megan Racing - Corporate Logo
T#:381347
Part#: MRSBM0270
Ships in 4 Business Days
$ 250.00 USD
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$ 250.00 USD
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Megan Racing Adjustable Control Arms for Enhanced Handling

Upgrade your vehicle's handling with Megan Racing's adjustable control arms, addressing the limitations of factory camber adjustments. Factory settings often fall short in optimizing handling and tire wear, especially for lowered vehicles, requiring more adjustment than the standard eccentric bolt can provide. Megan Racing's reinforced suspension arms offer a solution, delivering enhanced strength and adjustability for competition vehicles.

Key Features:

  • Megan Racing's adjustable control arms optimize handling for lowered cars
  • Constructed from high-strength steel alloys for durability and lightweight design
  • Track-tested for quality and performance in road race, autocross, and drift events

Specifications:

  • Durable construction suitable for daily driving and track use
  • Maximum Arm Length: 17 7/16"
  • Minimum Arm Length: 15 13/16"
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Megan Racing - Corporate Logo
T#:381346
Part#: MRSBM0220
Special Order: No Guaranteed ETA
$ 250.00 USD
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$ 250.00 USD
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Rogue Engineering - Corporate Logo
T#:553830
Part#: RE.E9X.TA.M3
Ships in 8 Business Days
$ 289.00 USD
Free Shipping
$ 289.00 USD
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When an E9X is lowered beyond the limits of just lowering springs, the rear wheels toe-in excessively. This excessive rear toe leads to premature wear, that many people attribute to an increase in negative camber. It has become a common belief that an extremely low vehicle will wear the tires wrong as a matter of consequence. It has become standard practice to go as low as you can and proceed to replace your tires every five to ten thousand miles. Whats more is that when the vehicle reaches a certain ride height, the factory arms become maxed out and there is no way to compensate and dial in the proper toe. You're left with an improperly aligned vehicle that is in effect worse off than it was with the stock suspension installed.

This is not only uneconomical but improper and unsafe. ECS Tuning is proud to offer a solution for this problem in the form of Rogue Engineering E9X adjustable rear toe arms. These arms allow for greater toe adjustment on vehicles that have been lowered with a coilover suspension. With the toe set properly the tires can contact the road properly this maximizes grip and minimizes wear. 

Features:

  • 100% machined and anodized, 6061-T6 lightweight aluminum arms
  • High-strength, 3-piece, rod end (with carbon fiber reinforced, PTFE race) offers longer life for street compared to standard rod ends
  • SEALS-IT Rod end seals keep dirt, water, and other contaminants out
  • Rod ends feature grease fittings, to allow for rod end serviceability.
  • Lighter than stock!  (Stock is 875g, RE arms are 640g)
  • Extremely easy installation and adjustment (your alignment shop will LOVE you!)
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URO - Corporate Logo
T#:373175
Part#: 31126758513
Ships in 1 Business Day
$ 85.99 USD
Free Shipping
$ 85.99 USD
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If replacing any part of your front or rear suspension, it is best to either do it in pairs (both left and right sides), or examine parts that are prone to failure. This will provide the most service life out of replacement parts and assure they are all performing properly.
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URO - Corporate Logo
T#:362017
Part#: 31121092610
Ships in 1 Business Day
$ 84.99 USD
Free Shipping
$ 84.99 USD
Free Shipping
Also commonly known as a traction strut

Megan Racing - Corporate Logo
T#:6397731
Part#: MRSMC0720
Ships in 2 Business Days
$ 189.99 USD
Free Shipping
$ 189.99 USD
Free Shipping

Ensure precise handling and performance with Megan Racing Inc.'s reinforced and adjustable control arms, specially designed for aggressive driving and tuning. Constructed from lightweight steel-alloy, these control arms are built to withstand extreme competition while offering enhanced adjustability. Powder-coated with a 3-stage process, they provide durability and protection against the elements. Compatible with Mini Cooper F56 3-Door Hatch 2014+ and F55 5-Door Hatch 2015+ models, these control arms offer a direct replacement for rear lower arms.

  • Reinforced and adjustable control arms for precise handling
  • Lightweight steel-alloy construction for durability
  • Powder-coated with a 3-stage process for protection against the elements
  • Compatible with Mini Cooper F56 and F55 models
  • Direct replacement for rear lower arms
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URO - Corporate Logo
T#:362016
Part#: 31121092609
Ships in 1 Business Day
$ 84.99 USD
Free Shipping
$ 84.99 USD
Free Shipping
Also commonly known as a traction strut

Rogue Engineering - Corporate Logo
T#:553834
Part#: RE.E9X.TA
Back Ordered
$ 339.00 USD
Free Shipping
$ 339.00 USD
Free Shipping

Updated design!  Now shipping!

When an E9X is lowered beyond the limits of just lowering springs, the rear wheels toe-in excessively. This excessive rear toe leads to premature wear, that many people attribute to an increase in negative camber. It has become a common belief that an extremely low vehicle will wear the tires wrong as a matter of consequence. It has become standard practice to go as low as you can and proceed to replace your tires every five to ten thousand miles. Whats more is that when the vehicle reaches a certain ride height, the factory arms become maxed out and there is no way to compensate and dial in the proper toe. You're left with an improperly aligned vehicle that is in effect worse off than it was with the stock suspension installed.

This is not only uneconomical but improper and unsafe. ECS Tuning is proud to offer a solution for this problem in the form of Rogue Engineering E9X adjustable rear toe arms. These arms allow for greater toe adjustment on vehicles that have been lowered with a coilover suspension. With the toe set properly the tires can contact the road properly this maximizes grip and minimizes wear. 

Features:

100% machined and anodized, 6061-T6 lightweight aluminum arms (and collars).

Stainless hardware and spacers are perfect for the tough Northeast climate!

New!  Easy adjustment with 22mm open ended wrench and 5mm allen key!  It only requires 15 ft. lbs. on the clamp to secure the clamp!

New!  Included lock-out kit, replaces factory eccentric hardware.

Updated 3-piece rod ends features 4130 chromoly steel bodies, heat-treated, alloy steel races, and Teflon liners

Extremely easy installation and adjustment (your alignment shop will LOVE you!)

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URO - Corporate Logo
T#:377842
Part#: E32-16PCKIT
Back Ordered
$ 470.99 USD
Free Shipping
$ 470.99 USD
Free Shipping
Symptoms of a worn suspension include a loose and imprecise feel to the steering, excessive shaking through the steering during braking, or sounds like squeaking, whining or grinding from the front when turning at slow speeds. This kit will not only help address these issues but is designed to have superior performance compared to stock, and extend suspension life.
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URO - Corporate Logo
T#:373172
Part#: 31121141722
Ships in 1 Business Day
$ 93.00 USD
Free Shipping
$ 93.00 USD
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Includes rubber mounting. This is the curved control arm

URO - Corporate Logo
T#:593196
Part#: 31126775960
Ships in 1 Business Day
$ 114.99 USD
Free Shipping
$ 114.99 USD
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Control arms begin to wear over time, leading to sloppy control of your vehicle. Anything from knocking, steering vibration, or even loss of vehicle control. An OEM replacement from Lemförder is the perfect option to restore control and suspension quality.
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URO - Corporate Logo
T#:593539
Part#: E368PCKIT
Ships in 1 Business Day
$ 270.99 USD
Free Shipping
$ 270.99 USD
Free Shipping
Comes with everything needed to refresh the front end!
URO - Corporate Logo
T#:373170
Part#: 31121141718
Ships in 1 Business Day
$ 64.99 USD
Free Shipping
$ 64.99 USD
Free Shipping
Includes rubber mounting.


URO - Corporate Logo
T#:371981
Part#: 31121141717
Ships in 1 Business Day
$ 64.99 USD
Free Shipping
$ 64.99 USD
Free Shipping
Includes rubber mounting
URO - Corporate Logo
T#:639456
Part#: 31126775959
Ships in 1 Business Day
$ 91.07 USD
Free Shipping
$ 91.07 USD
Free Shipping
URO Parts is one of the leading manufacturers of high quality direct replacement aftermarket components, covering a wide range of makes and models. All of their replacement parts are manufactured to ISO 9000 certification standards, so you can expect long lasting performance from URO Parts. As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform! URO Tension Strut With Hydraulic Mount, Left - This item fits the following BMW Chassis: F01,F02
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URO - Corporate Logo
T#:373171
Part#: 31121141721
Ships in 1 Business Day
$ 93.00 USD
Free Shipping
$ 93.00 USD
Free Shipping
Includes rubber mounting. This is the curved control arm

URO - Corporate Logo
T#:593536
Part#: E308PCKIT
Back Ordered
$ 238.99 USD
Free Shipping
$ 238.99 USD
Free Shipping
Comes with everything needed to refresh the front end!

URO - Corporate Logo
T#:1195770
Part#: E3216PCKIT
Back Ordered
$ 470.99 USD
Free Shipping
$ 470.99 USD
Free Shipping
Front & Rear Kit 16 pc