These billet aluminum rear trailing arms fit the BMW E9x and E8x including the M models. They are CNC machined from 6061-T6 aluminum and are protected by a black anodized hardcoat. These trailing arms replace the flimsy stamped oem part, stiffen the rear suspension, and improve the vehicle's handling. Revshift Performance Engineering is a high-performance parts manufacturer with a focus on quality, reliability, and performance. Utilizing high-precision machining technologies and their very own Polyurethane Manufacturing Department, every Revshift product is designed, manufactured, and tested in-house at their Detroit, Michigan facility.
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