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RacingDiffs Precision Shim Kit – Backlash Adjustment for BMW Differentials
Achieve precise backlash adjustment when upgrading or servicing your BMW differential. The RacingDiffs Precision Shim Kit is engineered for enthusiasts installing limited-slip differentials or changing gear ratios, where exact tolerances are essential for longevity and optimal performance.
- Application: Designed for BMW differentials with 168mm, 188mm, and 210mm ring gear sizes. Compatible with BMW E21, E28, E30, E36, E34, E32, E31, and Z3 models.
- Contents: 10 shims, thicknesses from 1.0mm to 2.0mm in 0.1mm increments.
- Function: Enables fine-tuning of differential backlash, essential for proper gear mesh, noise reduction, and preventing premature crown gear wear.
- OEM Cross Reference:
- 168mm: 33139065731, 33139065732, 33139065733
- 188mm: 33139065734, 33139065735
- 210mm: 33139065736, 33139065737
If you demand precise differential setup for your BMW, this kit provides the exact shims required for optimal performance and reliability.
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| BMW | 3 SERIES | E30 | - |
| BMW | 3 SERIES | E36 | - |
| BMW | E21 | - | - |
| BMW | E28 | - | - |
| BMW | E31 | - | - |
| BMW | E32 | - | - |
| BMW | E34 | - | - |
| BMW | Z3 | - | - |
RacingDiffs
Founded in Belgium, RacingDiffs is a specialist developer of limited slip differential conversions and upgrades for popular rear-wheel-drive platforms. Their bolt-in LSD kits convert open differentials into performance units without a full housing swap — a cost-effective solution for track day and drift enthusiasts seeking better traction and balance.
Official page: racingdiffs.com
Official page: racingdiffs.com
Differential Backlash adjustment shim kit 168mm for BMW bolt type
215.14€
212.99€
Excl. VAT: 176.02€
