Medium case LSD - Clutch plate set 40% lock for BMW 188mm E30 E36 E34 6 Cyl. Street pack STG 1

BMW 188mm LSD Upgrade by RacingDiffs: Elevate Your Driving Experience

Do you own a BMW model like E30, E36, E28, E34, E24, E32, Z1, or Z3? Restore and enhance your limited slip differential's performance with RacingDiffs upgrade kits designed specifically for the 188mm LSD.

BMW Medium case LSD (188mm) was found in the most 6 cylinder models up to year 1999, such as:

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

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 which one to send you.

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 dailystreet 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!

Choose Your Performance Level

Service pack: Great for daily driving, this includes a 2-clutch set that will refresh your differential to factory settings.

• 2 clutch set

Street pack (Stg 1): Ideal for spirited street driving, this set includes a 3-clutch set, preload shim set, and ramp saver shim for smoother locking action.

• 3 clutch set
• Preload shim set
• Rampsaver shim

Track pack (Stg 2): Taking it to the track? Get the 4-clutch set, billet steel cap, preload shim set, and ramp saver shim for maximized grip and traction.

• 4 clutch set
• Billet steel cap
• Ramp saver shim
• Preload shim set

Race pack (Stg 3): Designed for competitive racing, includes a 6-clutch set, billet steel cap, preload and oil shims, and ramp saver shim for unparalleled performance.

• 6 clutch set
• Billet steel cap
• Ramp saver shim
• Preload shim set
• Oil shim set

Max performance pack (Stg 4): For those who demand nothing but the best, this ultimate set includes a 6-clutch set, billet steel cap, preload shim set, oil shim set, and a multi-variation ramp set for highly customizable performance.

• 6 clutch set
• Billet steel cap
• Preload shim set
• Oil shim set
• Multi variation ramp set

Installation and Support

Each of our packs is Plug & Play with NO modifications required. Make your installation a breeze by visiting our YouTube channel for step-by-step tutorials.

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

OEM part numbers:

33141210626
33-14-12-10-626
33 14 12 10 626
33.14.12.10.626

33141203797
33-14-12-03-797
33 14 12 03 797
33.14.12.03.797

33141203795
33-14-12-03-795
33 14 12 03 795
33.14.12.03.795

33141203794
33-14-12-03-794
33 14 12 03 794
33.14.12.03.794

33141206909
33-14-12-06-909
33 14 12 06 909
33.14.12.06.909

33141204367
33-14-12-04-367
33 14 12 04 367
33.14.12.04.367

33141206919
33-14-12-06-919
33 14 12 06 919
33.14.12.06.919