RD4004
BMW 168mm Limited Slip Differential: Restore and Elevate Performance
Specifically designed for most 4-cylinder BMW models before 1999, the small-case (168mm) Limited Slip Differential has been a cornerstone for models like the E21, E30, E36, and Z3.
Ensure you're well-informed; watch our explanatory video before placing an order.
Choose Your Pack: Service or Enhanced Stage Kits
Service Pack:
Stage 1 - Track Pack:
Stage 2 - Race Pack:
Stage 3 - Max Performance Pack:
To re-build your differential completely, you will need the Bearing & Oil seal set.
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OEM part numbers:
33141203806
33-14-12-03-806
33 14 12 03 806
33.14.12.03.806
33141203803
33-14-12-03-803
33 14 12 03 803
33.14.12.03.803
33141203804
33-14-12-03-804
33 14 12 03 804
33.14.12.03.804
33141203805
33-14-12-03-805
33 14 12 03 805
33.14.12.03.805
33141204153
33-14-12-04-153
33 14 12 04 153
33.14.12.04.153