Front Left Lower Control Arm with Ball Joint for 2004-2010 BMW 525i & More - Dorman 520-997

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$121.99
MPN: 520-997
Item Package Quantity: 1
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Dorman - OE Solutions Suspension Control Arm and Ball Joint Assembly P/N:520-997
Dorman - OE Solutions Suspension Control Arm and Ball Joint Assembly P/N:520-997
$121.99

Help restore steady, predictable handling with the Dorman control arm P/N 520-997, a front left lower forward control arm with ball joint built to directly replace the original assembly. It fits many vehicles, among them the 2004-2010 BMW 525i, 2008-2010 BMW 528i and 2004-2010 BMW 530i. See the Buyer's Guide tab for the full list and engine details.

  • Trustworthy replacement: Directly replaces the original assembly on the listed applications in the front left lower forward position.
  • Complete repair: Arrives with the ball joint and bushings pre-installed, saving time and labor.
  • Quality engineering: Put through Dorman's industry-leading evaluation process, aimed at a smooth, stable and safe ride with directional stability and predictable dynamics.
  • Durably designed: Additional coatings help resist rust and corrosion.

As a Dorman lower control arm, this part links the wheel assembly to the chassis. It helps locate the wheel as the suspension moves, and the ball joint provides the pivot for the steering knuckle. This Dorman suspension control arm and ball joint assembly is sold for the left side. Replacing both sides together is recommended for balanced handling.

Signs this part may need replacing include clunking over bumps, loose or wandering steering, and uneven tire wear. If a worn arm or ball joint is the cause, this assembly replaces it. Consult the vehicle service information for the correct fasteners and whether they may be reused. An alignment check after installation is recommended.

Interchange: 102-5957
1025957 · 31102348047 · 31104026719 · 31124046437 · 31126760183 · 31126765995 · 31126774825 · TC1390 · CA6355 · 5CB10051 · 2709602 · RK620125 · FA4562 · GS10112 · CMS10112 · 2605666 · SK520997 · 1502021 · X05CJ1010 · JTC1073 · V207167

This part cross-references / interchanges with the following part numbers:

31102348047, 31104026719, 31124046437, 31126760183, 31126765995, 31126774825, 102-5957, TC1390, CA6355, 5CB10051, 2709602, RK620125, FA4562, GS10112, CMS10112, 2605666, SK520997, 1502021, X05CJ1010, JTC1073, V207167

Frequently Asked Questions

What does a Dorman suspension control arm do?

It connects the wheel assembly to the chassis and helps locate the wheel as the suspension moves. The pre-installed ball joint provides the pivot point for the steering knuckle.

Which position does part 520-997 fit?

It is cataloged for the front left lower forward position. Replacing both sides together is recommended for balanced handling.

What comes pre-installed on this assembly?

The assembly comes with the ball joint and bushings already installed, which saves time and labor during the repair.

Does it fit the 2004-2010 BMW 525i?

Yes. The 2004-2010 BMW 525i is a listed application, along with the 2008-2010 BMW 528i and 2004-2010 BMW 530i. Check the Buyer's Guide tab for your exact vehicle.

What signs suggest the control arm may need replacing?

Clunking over bumps, loose or wandering steering, and uneven tire wear can indicate a worn control arm or ball joint. Have the suspension inspected to confirm the cause before replacing it.