BMW OEM Control Arm 31126879843 (Front Lower)

Description

The part number 31126879843 (also formatted as 31 12 6 879 843) is a genuine BMW front-lower control arm assembly. OEMBimmerParts+3Spareto+3parts.bmwnorthwest.com+3
Key features & functions:

• Mounts the wheel hub/knuckle to the vehicle’s frame/sub-frame and allows for controlled vertical motion of the wheel while maintaining alignment and geometry.

• Includes bushings and a ball joint (depending on variant) for connection, helping absorb loads, reduce vibration and maintain steering precision. OEMBimmerParts

• Fitment: Designed for BMW models such as the X1 (F48) front axle driver-side (“front left”) and compatible with BMW/ MINI vehicles showing this OE number. parts.bmwnorthwest.com+2A to Z Auto Parts+2

• Quality & OEM: Being an OEM part ensures correct dimensions, materials, and compatibility compared to generic aftermarket alternatives.

• Importance of replacement: A worn or damaged control arm may lead to uneven tyre wear, alignment issues, poor handling, knocking noises from the suspension, or excessive play in steering.

Installation & Fitment Notes:

• Confirm your vehicle’s model year, axle side (left/right) and sub-model, since control arms can vary even within similar models.

• Often recommended to replace the control arm with the associated hardware (bushings, ball joints) and perform a wheel alignment afterwards to ensure correct geometry.

• Inspect surrounding suspension components (link arms, tie rods, struts) since a damaged control arm can increase stress on nearby parts.