RacingDiffs Preload Shims for BMW ZF Limited Slip Differentials

Upgrade your BMW's ZF LSD with RacingDiffs Preload Shims, engineered for enthusiasts who demand reliable performance and durability. Designed to address common issues with preload shim wear and failure in BMW models such as the E30, E36, and E34, these shims are an essential component when rebuilding your differential.

• Material & Hardness: Extra hardened to 55 HRC for superior durability and resistance to overheating.
• Strength: 30% stronger than OEM shims, delivering improved lock and traction under demanding conditions.
• Fitment Sizes: Available in 168mm, 188mm, and 210mm to fit a range of BMW ZF differentials. For fitment confirmation, provide your VIN.
• Compatibility: 210mm shims are not compatible with GKN differentials found in E46, E92, E60, E63, and Z4 M models.
• Recommended Maintenance: For optimal results, replace clutch plates during a rebuild, as worn plates are a primary cause of differential overheating.

For models requiring free play solutions, see RacingDiffs LSD Clutch Pack + Free Play Delete Kits for M3, M5, M6, and Z4M applications.

Maintain and upgrade your BMW’s LSD with RacingDiffs Preload Shims—precision-engineered for lasting performance and confidence on the road or track.