BMW X3 Service & Repair Manual: Preheating relay
REPLACING PREHEATING CONTROL UNIT (N47D20 O1)
Necessary preliminary tasks:
- Switch off ignition.
- Remove INTAKE SILENCER HOUSING .
Release positive battery cable (1) from clamp.
Release expanding rivets (2).
Remove rear acoustic cover (3).
Detach connector (1) from preheating control unit.
Release screw (2).
Remove preheating control unit (3).
NOTE: If the preheating control unit is replaced, the preheating control service function must be performed using the diagnosis system after it is replaced.
Installation note: Assemble engine.
Replacing suction pressure sensor on pressure pipe (N20, N26)
Necessary preliminary tasks:
Read out the fault memory of the DME control unit.
Switch off ignition.
Unlock connector (1) and remove.
Unfa ...
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 ...
Other materials:
BMW X3 Service & Repair Manual > Heater with operation: Replacing actuator drive of ventilation flaps
Necessary preliminary work:
Remove SUPPORT FOR DASHBOARD
Release screws (1).
Release plug connection (3) and disconnect.
Detach servodrive for ventilation flaps (2) in direction of arrow from heater/air conditioner.
Replacement:
Servomotors must be readdressed in the event of replac ...