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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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Rein Front Control Arm Bushing - E38, E39, E53
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T#:379727
Part#: 31126769715
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$ 44.99 USD
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$ 44.99 USD
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If the control arm bushings on your vehicle are beginning to fail, it will become quickly apparent. Suspension noise will be drastically increased, there will be steering wheel shake when hitting road hazards, and the entire car will have an all around loose feel. This can also lead to premature tire failure as alignment is negatively affected. Replace your control arm bushings to give your entire suspension a tighter feel.
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Lower Control Arm / Wishbone - Right - Priced Each
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T#:38621396
Part#: 31126761410
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$ 162.99 USD
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Rein Front Lower Control Arm - Right - E65, E66
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T#:379659
Part#: 31126774832
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$ 192.99 USD
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$ 192.99 USD
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Ball joint faces down

Rein Lower Front Control Arm - Left - E46, Z4
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T#:584175
Part#: 31126777851
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$ 193.99 USD
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$ 193.99 USD
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Refresh your suspension

Ball Joint Outer - Priced Each
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T#:592409
Part#: 31126783443
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$ 37.99 USD
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$ 37.99 USD
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OEM Rein Upper Rear Control Arm, Right - E60 E61
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T#:402128
Part#: 33326777426
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$ 89.99 USD
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$ 89.99 USD
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Control arms 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 item fits the following BMWs:
BMW 5 Series - 525i, 530i, 545i

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Rein Rear Control Arm Bushing - E36, E46, E83, Z4
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T#:363435
Part#: 33321092247
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$ 28.99 USD
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Upper control arm to subframe bushing
Ball Joint - Right
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T#:387345
Part#: 31106779438
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$ 69.99 USD
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Lower Control Arm / Wishbone Bushing With Bracket - Left
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T#:599035
Part#: 31126772235
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$ 75.99 USD
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$ 75.99 USD
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Rein Front Control Arm - Right - E82, E88, E90, E91, E92, E93 ...
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T#:379643
Part#: 31126770850
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$ 106.99 USD
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$ 106.99 USD
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Includes bushing and ball joint assembly.
Rein Front Lower Control Arm - Left - E65, E66
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T#:379664
Part#: 31126774831
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$ 193.99 USD
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$ 193.99 USD
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Ball joint faces down