MMX Rear Diff Rear Bush Poly 'Large' | G8x | M2 | M3 | M4

The MMX Performance Differential Mount Bush is designed to work exclusively with the MMX Dual Differential Mount (MMR55-1606), fitting the secondary mounting point on the G8x and F8x M2, M3 and M4 differential, a factory location BMW left unused. Manufactured from 80A durometer grey polyurethane with a black anodised 6061-T6 aluminium sleeve, it works alongside the mount to add a second point of support to the drivetrain, reducing unwanted movement under normal and increased torque loads while keeping NVH to a minimum. The result is a sharper, more stable driveline response for road and track driven vehicles, and a direct answer to the differential mount failures common on these chassis.