Dorman 520-737 front left lower control arm with ball joint for the 1997-2003 BMW 540i and other vehicles links the wheel to the vehicle's frame. The ball joint and bushings come already installed on the arm.
- Ball joint and bushings pre-installed, which saves time and labor
- Evaluated in testing aimed at a smooth ride, directional stability and predictable dynamics
- Additional coatings resist rust and corrosion
- Pre-greased ball joint with a threaded stud
- Aluminum control arm with rubber bushings
Quick facts
- Part: Dorman 520-737 control arm with ball joint
- Also called: control arm and ball joint assembly
- Fits: 1997-2003 BMW 540i and other vehicles
- Position: Front left lower rearward
- Material: Aluminum
- Condition: New
A clunk over bumps, loose or wandering steering or uneven front tire wear can mean the ball joint or bushings are worn, though a tie rod end or a strut mount can be behind the same signs. This listing is one arm for the front left; the front right is a separate part, and both are normally replaced together. The front left position takes one.
Fits
This control arm is a direct replacement for the original equipment on the 1997-2003 BMW 540i and the 2000-2003 BMW M5.
Specifications
Fit and size
- Position: front left lower rearward
- Quantity per application: 1
- Mounting hole diameter: 12.3 mm
- Maximum width: 288.5 mm
- Maximum length: 237 mm
- Ball joint thread diameter: 14 mm
Build and materials
- Control arm material: aluminum
- Construction: casting/forged
- Bushing material: rubber
- Ball joint stud: threaded
- Grade: standard replacement
- Condition: new
- Country of origin: Taiwan
In the box
One control arm with ball joint. Mounting hardware is included; a grease fitting is not.
Interchange: 102-6547
31121092609 · 31121092819 · TC2246 · CA6295 · 5CB10097 · RK620113 · GS10160 · CMS10160 · 2606789 · SK520737 · JTC1019
This part cross-references / interchanges with the following part numbers:
31121092609, 31121092819, 102-6547, TC2246, CA6295, 5CB10097, RK620113, GS10160, CMS10160, 2606789, SK520737, JTC1019
Frequently Asked Questions
Is this Dorman control arm right for the 2000-2003 BMW M5?
Yes. Dorman 520-737 is a front left lower control arm with ball joint that fits the 2000-2003 BMW M5 and the 1997-2003 BMW 540i. The front right side is a separate part.
Are the Dorman control arm bushings on this arm rubber?
Yes. The bushings are rubber and arrive installed on the arm along with the ball joint.
Is the Dorman suspension control arm and ball joint assembly made of aluminum?
Yes. The arm is aluminum with casting/forged construction, and additional coatings resist rust and corrosion.
Does the Dorman lower control arm come with a grease fitting?
No. The ball joint is pre-greased, so no grease fitting is included. Its threaded stud has a 14 mm thread diameter.
What hardware comes with the Dorman suspension control arm 520-737?
Mounting hardware is included with the Dorman 520-737 arm, along with the installed ball joint and bushings. It is sold as a single arm.
