BMW X5 X6 E70 E71 Axle Wheel Suspension Wishbone Front Left N/S 6773949

BMW E70 E71 Front Left Control Arm Front Left is an original part from the control arms and ball joints category, designed for the front axle on the driver's side. A used BMW control arm ensures factory suspension geometry, which translates to stable handling, predictable vehicle behavior, and safe steering system operation.

Specifications and technical data

• SKU: 6773949
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6773949
• Substitutable numbers: 31126773949, 6773949
• Location on the vehicle: Front, Left
• Category: Control Arms, Ball Joints & Assemblies

Intended Use and Fitment for BMW E70 / E71

The presented control arm has been specifically designed for the front left side of BMW E70 and E71 series models. Its precise placement on the vehicle ensures it works with factory mounting points, maintaining proper suspension kinematics and correct wheel alignment angles.

Being an original BMW component means the control arm's construction meets the manufacturer's requirements for stiffness, durability, and performance characteristics, which is particularly important for heavier SUVs like the X5 and X6.

Construction and Function of the Front Left Control Arm

The front left control arm in this model is responsible for guiding the wheel in the horizontal plane and maintaining a stable position of the hub relative to the body. The component works in conjunction with the ball joint and other suspension components, transferring loads generated during braking, acceleration, and cornering.

A properly selected control arm:

• maintains correct toe and camber angles,
• reduces unwanted play in the steering system,
• improves steering precision at higher speeds,
• supports even tire wear.

Benefits of Using an Original BMW Control Arm

Using an original BMW control arm in the front suspension offers a range of practical benefits. Factory fitment simplifies installation and minimizes the risk of geometry issues, while compliance with the vehicle's design allows for the preservation of the manufacturer-intended handling characteristics. This is especially crucial for high-mass, high-power vehicles where the suspension operates under significant load.

A used part from this series is a sensible choice for drivers who want to maintain the original suspension specification while optimizing repair costs. A properly selected control arm helps eliminate knocking noises, front-end instability, and excessive vehicle "wandering" during lane changes.

Professional Installation and Operation

Due to the control arm's importance for driving safety, installation in a specialized workshop is recommended, using appropriate torque specifications and a final wheel alignment check. A correctly installed control arm works with other suspension components, ensuring predictable vehicle responses to steering inputs and effective damping of uneven road surfaces.

After replacement, it is advisable to check the condition of other suspension system components, such as other control arms, ball joints, or mounting elements, to fully utilize the potential of the newly installed part.

More About Suspension and Related Parts

If you want to better understand how your car's suspension works and the role of control arms in conjunction with shock absorbers and stabilizers, check out our guide: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers. This practical resource will help you make informed choices about suspension components and plan future repairs.

If you are looking for other BMW control arms and ball joints for your vehicle, browse the BMW control arms and ball joints available in our store to find a complete solution for your entire axle.