BMW 328 (EU)
Differential fluid capacity & service interval
BMW 328 (EU) differential fluid capacity is 4 liters. Service intervals include checking at 5000 km and changing at 10000 km. The data covers 1 configuration.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
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Additional Notes
- The BMW 328 (EU) rear differential holds 4 liters of fluid, a figure that reflects the sump-only fill volume rather than a total system or overhaul capacity.
- Under normal use conditions, the differential fluid change interval is set at 10,000 km, while an intermediate check is specified at 5,000 km, placing a fluid inspection at the halfway point between changes.
- The 5,000 km check interval indicates that fluid condition and level were expected to be monitored actively between full drain-and-fill services, which was a common practice for mechanically loaded rear axle sumps of the era.