Limited Slip Differential Upgrade 45% Ratio 3.91

M3 E46 slip differential conversion to multi-disc lock up with 45% action and speed change

There are several ways the performance of the rear axle of their M3`s increase for road and racetrack.


Standard ratio of the HAG of i: 3.62


Option 1:

Is fitted as standard is handed down rear with the M-Visco (GKN Viscolok) lock on a slip differential with 45% locking action (our recommendation) rebuilt.


Option 2:

Is fitted as standard is handed down rear with the M-Visco lock is on a limited slip differential with 45% locking action (our recommendation) rebuilt, in addition, a shorter translation installed to improve the acceleration!

Whether SMG or hand switch: I: 3.91 (our recommendation) i 4.10 i: 4.44

Software adjustment is required in SMG! but not a problem for us, please contact us.


Option 3:

To avoid downtime, we send them in exchange give her "old" series Excessive rear been refurbished to Option 1 or 2 to enter the old part deposit.


Please contact us, we will help you!