BMW X3 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.
Replacing engine oil level sensor (N52T)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .
Necessary preliminary work:
Switc ...
Other materials:
BMW X3 Service & Repair Manual > Electronic switching or control units: Replacing (dde) control unit (N47 D20 O1)
IMPORTANT:
Read and comply with NOTES on protection against electrostatic damage (ESD protection).
Necessary preliminary work:
Read out the fault memory of the DDE control unit.
Switch off ignition.
Disconnect BATTERY EARTH LEAD .
FOLLOW INSTRUCTIONS FOR REMOVING AND INSTALLING CO ...