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Rein 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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Lower Control Arm / Wishbone With Ball Joint - Right
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T#:599058
Part#: 31126772302
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$ 139.99 USD
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$ 139.99 USD
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Lower Control Arm / Wishbone Bushing - Priced Each
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T#:593521
Part#: AVB0692
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$ 41.99 USD
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Hydrobearing - Priced Each
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T#:593195
Part#: 31126775145
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$ 34.99 USD
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Lower Control Arm / Wishbone Bushing With Bracket - Right
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T#:599036
Part#: 31126772236
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$ 79.99 USD
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$ 79.99 USD
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Front Thrust Arm - Right
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T#:592142
Part#: 31102348046
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$ 201.99 USD
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$ 201.99 USD
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Front position control arm with ball joint
Control Arm Bushing - Priced Each
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T#:599034
Part#: 31126757551
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$ 24.99 USD
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Rein Lower Front Control Arm - Right - E46, Z4
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T#:584176
Part#: 31126777852
In Stock at Vendor
$ 236.99

This product was last offered at the strikethrough price on
05-07-2026

$ 229.99 USD
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$ 229.99 USD
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Refresh your suspension
OEM Rein Front Right Control Arm - E39 525i 528i 530i
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T#:396732
Part#: 31121094234
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$ 68.99 USD
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$ 68.99 USD
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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. 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.

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!

This is the OEM Front Right Lower Control Arm for E39 BMW 525i 528i 530i 1997-2003.

This item fits the following BMWs:
1997-2003 E39 5 Series BMW 525i 528i 530i & Wagons

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Lower Control Arm / Wishbone With Ball Joint - Left
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T#:599061
Part#: 31126772301
Ships in 3 Business Days
$ 133.99 USD
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$ 133.99 USD
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Lower Control Arm Bushing - Pair
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T#:38161719
Part#: 31126783375
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$ 95.99 USD
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Trailing Arm Ball Joint - Priced Each
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T#:593322
Part#: 33326780438
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$ 53.99 USD
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Front Control Arm Bushing - Priced Each
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T#:592168
Part#: 31106771194
Ships in 3 Business Days
$ 28.99 USD
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Worn bushings allow excess movement in your suspension components, taking away from your handling and ride quality. Restore factory performance with new bushings.