BMW X3 (F25) 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.
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: Operating fluids - air conditioning and heating
1.0 REFRIGERANT R134A
In order to fulfil the environmental compatibility requirements of BMW products and to reduce the ozone
pollution of the earth's atmosphere caused by refrigerants needed for heating and air conditioning systems, from
April 1991 on and starting with the model E32/M30 and th ...