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Description
This Gear ratio swap set is a must-have if you wish to change gear ratio of your BMW M3, M5, M6 or Z4M differential. It includes parts without which you can't complete a swap successfully.
- Adjustment shim set
- Pinion oil seal
- Large pinion bearing
- Crush sleeve shim
- Pinion depth shim set (2.5mm - 3.5mm)
How to know which set to order?
Check on BMWFans.info database. This Video will guide you how to use it.
Or simply send us the last 7 digits of your VIN and we will confirm if they fit with your requirements as soon as possible.
