BMW 188 mm oem LSD

RD4012

Choose your pack
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Important notes:

*If you are purchasing the packs which include the Billet steel cap, please remember to leave a note about the gear ratio of your differential. There are 2 types of caps depending on the gear ratio (2.64-3.07 & 3.15-4.45), so you need to let us know!


By replacing the existing clutches with the new ones, you will refresh your differential and restore its original performance. For improved performance and higher intensity in daily street and track usage, we recommend Stage 1 and 2 packs. To gain maximum performance, check Stage 3 and 4 packs. Not only that, but we’ll give you a LIFETIME WARRANTY on those sets!

Service pack:

- 2 clutch set

Street pack (Stg 1):

- 3 clutch set

- Preload shim set

- Ramp saver shim

Track pack (Stg 2):

- 4 clutch set

- Billet steel cap

- Ramp saver shim

- Preload shim set

Race pack (Stg 3):

- 6 clutch set

- Billet steel cap

- Ramp saver shim

- Preload shim set

- Oil shim set

Max performance pack (Stg 4):

- 6 clutch set

- Billet steel cap

- Preload shim set

- Oil shim set

- Multi variation ramp set

 

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

 

OEM part numbers:

33141210626
33141203797
33141203795
33141203794
33141206909
33141204367
33141206919


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