BMW X3 (F25) Service & Repair Manual: Switches and relays
REPLACING POWER DISTRIBUTION MODULE (N20, N52T, N55)
Necessary preliminary tasks:
- Switch off ignition.
- Disconnect BATTERY NEGATIVE LEAD .
- Remove left service flap on cowl panel cover.
Unlock and pull off all connectors (1) from power distribution module.
Remove cover (2).
Release nut beneath it and set positive battery cable aside.
Release lock (3).
Feed out and remove power distribution module in upward direction.

Reassemble the vehicle.
Other materials:
BMW X3 (F25) Service & Repair Manual > Suspension: Final drive oil for bmw m1 motorsport coupe
3.0 FINAL DRIVE OIL FOR BMW M1 MOTORSPORT COUPE
The final drive of a BMW M1 is integrated into the manual transmission and the oil supply is accomplished
with a mutual oil filling.
Use reputable brand SAE 80 manual transmission oil conforming with specifications MIL-L-2105 A or API-
GL 4.
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