BMW 1 3 X1 Series E81 E87 E88 E90 E91 Rear Roll Over Strut Mount Wishbone Arm

Rear transverse control arm for BMW E81 E84 E87 E90 E91 is a component from the control arms and ball joints category, designed for the rear suspension. The original BMW design ensures proper axle geometry, stable vehicle handling, and predictable behavior during braking and cornering. It's a practical choice for drivers who want to restore correct rear suspension operation without compromising factory solutions.

Specifications and technical data

• SKU: 6772899
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6772899
• Substitutable numbers: 33326772899, 6772899, 33324031876 33326765480, 4031876, 6765480, 33536764420, 6764420, EM
• Location on the vehicle: Rear
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Function in Suspension

The rear transverse control arm in BMW 1 and 3 Series models is responsible for maintaining the correct wheel position relative to the body and for driving stability. As a component operating in the transverse plane, it works with other control arms and ball joints, controlling:

• rear wheel camber and toe angle,
• suspension response to uneven surfaces,
• vehicle stability during dynamic maneuvers.

By maintaining the factory suspension geometry, the driver benefits from predictable handling, and tires wear more evenly.

Original BMW Design and Fitment

The presented rear transverse control arm for BMW is from the original parts line, meaning it complies with the manufacturer's factory standards. Its shape, mounting points, and operating characteristics are adapted to the platform used in BMW E81, E84, E87, E90, and E91, which facilitates installation and allows for the preservation of parameters intended by BMW engineers.

Its placement on the vehicle, specified as rear, clearly indicates that the component is intended for the rear axle, where it works with other components of the multi-link suspension system.

Component Condition and Usability Aspects

The control arm is in used condition, making it a sensible alternative to new components while maintaining original specifications. This type of part allows for economical suspension repair, especially when multiple components need replacement simultaneously.

In practice, using an original, used transverse control arm enables:

• restoring correct rear suspension operation after a collision or wear and tear,
• reducing play in the wheel guidance system,
• maintaining the characteristic BMW balance between comfort and handling precision.

Benefits of Using a Rear Transverse Control Arm for BMW

Choosing the right control arm directly impacts driving safety and comfort. Using a component from the Control Arms and Ball Joints category, dedicated to specific BMW models, allows for:

• maintaining vehicle stability at higher speeds,
• reducing unwanted vibrations and knocks from the rear suspension,
• facilitating correct geometry alignment after component replacement.

This is particularly important in everyday vehicles where predictable car behavior in various road conditions is crucial.

More About BMW Control Arms and Suspension System

If you are looking for other BMW control arms and ball joints for your car, check out our dedicated offer: BMW control arms and ball joints. You will find a wide selection of suspension components tailored to various models of this brand.

To better understand the role of control arms in the entire suspension system and the symptoms of their wear, it is worth consulting the guide: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers. This is a practical source of knowledge for planning diagnostics and repairs of suspension in premium class cars.