Small case LSD for BMW 25% lock 168mm Clutch plate set BMW E30 E36 Z3 4 cyl Service pack

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.

Choose Your Pack: Service or Enhanced Stage Kits

Service Pack:

• Return to that authentic differential feel with a 2-clutch set.

Stage 1 - Track Pack:

• 2 clutch set featuring RacingDiffs' durable clutch plates, ensuring optimal grip and longevity.
• Precision-engineered billet steel cap.
• Ramp saver shim designed for prolonged differential health.

Stage 2 - Race Pack:

• Aggressive 4-clutch set with RacingDiffs' enhanced clutch plates for a better performance curve.
• Pre-load shim set
• billet steel cap for superior strength and stability.
• Ramp saver shim and pre-load shim set for precise lock and improved handling.

Stage 3 - Max Performance Pack:

• Aggressive 4-clutch set with RacingDiffs' premier clutch plates.
• Ultra-durable billet steel cap.
• Pre-load shim set
• multi-variation ramp set, allowing drivers to fine-tune differential behavior for optimal power distribution and road connection.

To re-build your differential completely, you will need the Bearing & Oil seal set.

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