BMW Millimeter Differential Bearing Replacement Kit (up to 1999)
Restore your BMW’s differential performance with this high-quality bearing replacement kit, designed specifically for millimeter (mm) differential types featuring bolt-on side caps securing the carrier unit. This kit is ideal for BMW models 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 by Engine:
- 4-cylinder: 168mm
- 6-cylinder: 188mm
- 8-cylinder: 210mm
When to Replace Differential Bearings: If you notice a distinct noise from the differential during acceleration or deceleration, it may indicate worn bearings. Persistent noise, especially one unaffected by swerving, suggests the need for replacement.
Kit Includes:
- Crush sleeve
- Small pinion bearing
- Large pinion bearing
- Side bearings (x2)
- Input flange oil seal
- Output flange oil seals (x2)
All components are OEM quality, engineered for durability and optimal performance.
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| BMW | 3 SERIES | E21, E30, E36, E28, E34, E23, E32, E38 (early models), E31, Z1, Z3, Z8 | - |
| BMW | 5 SERIES | E21, E30, E36, E28, E34, E23, E32, E38 (early models), E31, Z1, Z3, Z8 | - |
| BMW | 7 SERIES | E21, E30, E36, E28, E34, E23, E32, E38 (early models), E31, Z1, Z3, Z8 | - |
| BMW | 8 SERIES | E21, E30, E36, E28, E34, E23, E32, E38 (early models), E31, Z1, Z3, Z8 | - |
| BMW | Z SERIES | E21, E30, E36, E28, E34, E23, E32, E38 (early models), E31, Z1, Z3, Z8 | - |
Differential bearing set for BMW Type 168 mm E30 E36 E34 Z1 Z3
Tags: Default Category|Drivetrain and suspension||Default Category|Drivetrain and suspension|Differentials,
| Brand | Model | Generation | Engine |
|---|---|---|---|
| BMW | 3 SERIES | E21, E30, E36, E28, E34, E23, E32, E38 (early models), E31, Z1, Z3, Z8 | - |
| BMW | 5 SERIES | E21, E30, E36, E28, E34, E23, E32, E38 (early models), E31, Z1, Z3, Z8 | - |
| BMW | 7 SERIES | E21, E30, E36, E28, E34, E23, E32, E38 (early models), E31, Z1, Z3, Z8 | - |
| BMW | 8 SERIES | E21, E30, E36, E28, E34, E23, E32, E38 (early models), E31, Z1, Z3, Z8 | - |
| BMW | Z SERIES | E21, E30, E36, E28, E34, E23, E32, E38 (early models), E31, Z1, Z3, Z8 | - |

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