F8X Precision Front Upper Control Arm Bearing Kit

Dramatically improve the braking and turn-entry performance in your street to full-race BMW

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Price:
$329.99

Our BimmerWorld Precision Front Upper Control Arm Bearing Kit was originally designed for E9X cars because of the huge amount of suspension load that the front upper control arm, or thrust arm or tension strut, takes in an F8X car under braking. BMW has continued with the multi-link front end in the F8X series, meaning the same issue needs to be addressed.


In street cars, the rubber bushings in M3 and M4 are big and soft with an open design to allow the joint to rotate in multiple axes, which is required when turning the steering wheel through its range of motion. Unfortunately, this means the bushing is compressing and then releasing and causing the tire to skip across the pavement under braking - a condition worsened once ABS is engaged.

Our Precision Front Upper Control Arm Bearing Kit is the slam dunk solution for this problem. Utilizing a fully-sealed bearing, similar to the ones on other suspension locations in your car as supplied from the factory, gives full multi-axis rotation. Since this is a true OE-quality bearing and fully sealed, this part is perfectly at home even on a performance street car and the durability and performance is perfect even in the extremes of a 24-Hour endurance race car. Adding these parts to your tracked car will make a noticeable improvement in braking and turn-entry grip.

Fits all F8X M3 and M4 models.

European-manufactured OEM bearing insert. Kit designed, machined, and assembled in USA

BMW Fitments:--
3 Series
F80 (2015+) > M3 (2015+)
4 Series
F82 / F83 (2015+) > M4 (2015+)
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