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BMW Millimeter Differential Bearing Replacement Kit (up to 1999)
This kit is designed to restore the differential performance of BMW models featuring mm differential types, characterized by bolt-on side caps that secure the carrier unit, applicable to vehicles manufactured up to 1999.
Compatible BMW Models:
- 3 Series: E21 (big case), E30, E36
- 5 Series: E28, E34
- 7 Series: E23, E32, E38 (early models)
- 8 Series: E31
- Z Series: Z1, Z3, Z8
Differential Sizes Available:
- 4-cylinder: 168mm
- 6-cylinder: 188mm
- 8-cylinder: 210mm
Symptoms Indicating Bearing Replacement: A significant noise from the differential during acceleration and deceleration is a primary indicator. To distinguish this from wheel bearing noise, perform a maneuver similar to warming tires for a race. Continuous noise suggests the necessity for differential bearing replacement.
Included in the Set:
- Crush sleeve
- Small pinion bearing
- Large pinion bearing
- Side bearing (x2)
- Input flange oil seal
- Output flange oil seals (x2)
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| BMW | 3 Series | E21 | - |
| BMW | 3 Series | E30 | - |
| BMW | 3 Series | E36 | - |
| BMW | 5 Series | E28 | - |
| BMW | 5 Series | E34 | - |
| BMW | 7 Series | E23 | - |
| BMW | 7 Series | E32 | - |
| BMW | 7 Series | E38 | - |
| BMW | 8 Series | E31 | - |
| BMW | Z Series | Z1 | - |
| BMW | Z Series | Z3 | - |
| BMW | Z Series | Z8 | - |
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 Bearing Set for BMW Type 188 mm E30 E36 E34 Z1 Z3
269.35€
263.96€
Excl. VAT: 218.15€
