BMW E81 / E82 / E87 / E88 1 Series & E90 / E91 / E92 / E93 3 Series Billet Aluminium Rear Differential Mount Insert Kit 2005 - 2013 (Excludes 1M / M3) Retainer Kits Expert Support - Professional guidance

Expert Support - Professional guidance available for installation and customization

Full coverage across front and rear seating positions

Your existing bumper cover and valance stay in place — no cutouts or trimming required

Halogen Technology - Proven bright output with standard bulb availability

BMW E81 / E82 / E87 / E88 1 Series & E90 / E91 / E92 / E93 3 Series Billet Aluminium Rear Differential Mount Insert Kit 2005 - 2013 (Excludes 1M / M3) Retainer Kits Expert Support - Professional guidanceEliminate rear differential movement and tighten up power delivery on your BMW E8X E9X chassis with this premium billet aluminium rear differential mount insert kit, precision CNC machined from 6061 billet aluminium for permanent durability and dramatically improved drivetrain response. Factory rubber differential bushings on the E8X E9X chassis are notorious for deforming under load particularly when applying or releasing throttle in spirited driving