Shop OEM BMW Part # 31121139999 (31-12-1-139-999, 31121130089, 31121130597). Suspension Control Arm (Upper). 735, 740, 750; Upper; Left. 840, 850; Upper; Left. 840Ci, 850Ci; Left. Upper. Suspension Control Arm -

Arm. Control.
Incl.Ball Joint. Suspension component that connects and provides pivotal movement of the Steering Knuckle to the vehicle. Ft cntl. Link. Rod without Rubber MountI. Suspension.

Suspension Control Arm

Fits 735i, 735iL, 740i, 740iL, 750iL, 840Ci, 850Ci, 850CSi, 850i, L7

735, 740, 750; Upper; Left. 840, 850; Upper; Left. 840Ci, 850Ci; Left. Upper.
Suspension Control Arm - Repair or Replace
Control arms often don’t fail on their own, although their associated bushings can break or wear causing a clunk noise when your goes over bumps or changes speed rapidly—whether braking or under hard acceleration. Control arms can also sometimes become bent, causing your vehicle to pull to the left or right.