This is a 4.1 RATIO crownwheel ring & pinion kit for BMW 3 / 5 / 6 Series 188k diff type.
This kit includes:
1 x Reclaimed used 4.1 crown wheel & pinion set for 188K type diffs ONLY
Please note:
The MAIN pinion bearing will be left on the pinion to help you gauge the shim required for correct setup.
The old bearing MUST be removed and a new one fitted before using.
New bearings are available individually or in a kit.
We will require the VIN number from your car before we ship to confirm fitment is correct
.