BMW 188mm LSD Upgrade by RacingDiffs

Enhance the performance of your BMW's limited slip differential with RacingDiffs upgrade kits designed specifically for the 188mm LSD, found in various 6-cylinder models up to 1999.

Compatible Models

• 3 Series: E30, E36
• 5 Series: E28, E34
• 7 Series: E24, E32
• Z Series: Z1, Z3

Important Notes

If purchasing packs that include the Billet steel cap, please specify the gear ratio of your differential (2.64-3.07 or 3.15-4.45) to ensure the correct cap is sent.

Performance Upgrade Options

Each set is Plug & Play, requiring no modifications for installation. Choose from the following performance levels:

Service Pack

• 2-clutch set for refreshing differential to factory settings.

Street Pack (Stage 1)

• 3-clutch set
• Preload shim set
• Ramp saver shim for smoother locking action

Track Pack (Stage 2)

• 4-clutch set
• Billet steel cap
• Preload shim set
• Ramp saver shim for maximized grip and traction

Race Pack (Stage 3)

• 6-clutch set
• Billet steel cap
• Preload shim set
• Oil shim set
• Ramp saver shim for unparalleled performance

Max Performance Pack (Stage 4)

• 6-clutch set
• Billet steel cap
• Preload shim set
• Oil shim set
• Multi-variation ramp set for customizable performance

Installation and Support

Installation is straightforward with no modifications required. For detailed installation guidance, refer to available tutorials.

To fully rebuild your differential, a Bearing & Oil seal set is also necessary.

OEM Part Numbers

• 33141210626
• 33141203797
• 33141203795
• 33141203794
• 33141206909
• 33141204367
• 33141206919