The MMR Performance differential bush insert kit for the F-Series BMW (F2x & F3x) is designed to limit movement in the factory diff mounts to maintain proper suspension geometry when cornering. Installation is very simple, can be performed in under an hour, and is completely reversible.

These inserts were tested extensively by us in-house and independent BMW enthusiasts before release on multiple F2x and F3x vehicles. Our diff inserts fit diesel, petrol, manual and auto variants.

Features:

• Billet CNC machined 6061-T6 aluminium.
• Fills void in OE differential rubber bushings.

What’s Included:

• MMX MMR Billet differential inserts for BMW