Limited Slip Differentials: Notes
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With the introduction of the Z3 roadster a new synthetic final drive oil for all vehicles with a multi-plate limited-slip differential has been released. The new BMW final drive oil SAF-XJ will replace the old final drive oil SAF-XLS.
The SAF-XLS final drive oil is not to be used in the final drive of the Z3 roadster.
Use only the SAF-XJ in the final drive of the Z3 roadster.
NOTE:
If a non-limited slip differential oil is used in a limited slip differential a whining or chattering sound can be heard on very tight turns and will eventually result in a failure of the differential.
DIFFERENTIAL OIL SPECIFICATION
| Description | Quantity | Part Number | |
|---|---|---|---|
| BMW Synthetic Final Drive Oil | 55 liter drum | 83 22 1 470 080 | |
| (with multi-plate Limited Slip Differential) (SAF-XJ) | |||
E60 M5 utilizes a multi-plate Limited Slip Differential requiring SAF XJ fluid.