This Powerflex differential rear mount bushing is a polyurethane replacement for the factory rubber rear differential mount, reducing driveline movement and slop for improved power delivery and a more connected feel under acceleration. It is available in Street and Black Series compounds, includes fitting instructions, and comes with a lifetime warranty.
Fitment: BMW 3 Series E46, Z4 E85/E86, and X3 E83, all engine options.