BMW X3 (F25) Service & Repair Manual: Switches and relays
BMW X3 (F25) Service & Repair Manual / Electrical / 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 > Electrical: Preheater plugs
REPLACING ALL GLOW ELEMENTS (N47 D20 O1)
Special tools required:
11 6 050
12 2 300
NOTE:
When one or more glow elements are replaced, the preheating control service
function must be started with the BMW diagnosis system before replacement
and the "Security data record in the preheating ...


