Rear Upper Control Arm Bearing Kit

Eliminate rubber bushings for improved handling and suspension feel!
Mfg Part #
FLM-F87-1BRUCA
ECS Part #
ES#4147566
Brand
350.00
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Product Details

Rubber bushings found in the M2’s rear upper arms are the last weak link in an otherwise rigid suspension. The original BMW bushings yield to cornering forces applied to the suspension, resulting in camber and toe change that is not ideal for performance driving. Fall Line’s kit replaces the soft upper control arm bushings with spherical bearings, enabling the rear suspension arms to move smoothly through their travel and giving the rear of a car a more solid, planted feel. The reduced geometry change allows for the car to retain its desired alignment, maintaining better control over the tire’s behavior under heavy load.

The F8X M cars feature a subframe that is directly mounted to the chassis by BMW M, to reduce suspension compliance and improve performance and driving feel.

Similarly, the Fall Line upper control arm bearings rigidly mount the suspension arms to the subframe, increasing driver feedback, reducing geometry change, and improving performance. As with any elimination of suspension bushings, more feedback does equate to more road and suspension noise. While the Fall Line rear upper control arm bearings are a substantial performance improvement, please do be prepared for increased noise, vibration, and harshness after installing the parts.

Price is per set of 4, as there are 2 per side.

This Part Fits the Following Vehicles

Make Model Submodel Engine
BMW F80 M3 S55 3.0L
BMW F82 M4 S55 3.0L
BMW F83 M4 S55 3.0L
BMW F87 M2 N55 3.0L
BMW F87 M2 Competition S55 3.0L
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

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