BMW X3 (F25) Service & Repair Manual: Preheating relay

BMW X3 (F25) Service & Repair Manual / Electrical / 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).

Electrical

Detach connector (1) from preheating control unit.

Release screw (2).

Remove preheating control unit (3).

Electrical

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.

Electronic switching or control units
...

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 (F25) Service & Repair Manual > HVAC: Air conditioner refrigerant
1.0 AIR CONDITIONER REFRIGERANT FREON The refrigerant Freon R12 is used in most BMW automobiles with an air conditioner up through the 1992 model year. It has a boiling point of -29.8ºC (sea level), at which the refrigerant is transformed from a liquid into a gaseous state. This boilin ...