BMW X5: Troubleshooting
- Contents Of Engine Electrical System General
- Instructions For Removing And Installing Electronic Control Units
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Contents Of Engine Electrical System General
General Information
Working on ignition system
Removing and installing electronic control units
Welding work (overload protection of control units)
Disconnecting and connecting battery
Disconnec
Instructions For Removing And Installing Electronic Control Units
IMPORTANT:
Disconnecting the vehicle battery will cancel the fault memories
of control
units. Consequently, before disconnecting the car's battery, always
interrogate the fault memories. Invest
Ignition Wires, Spark Plugs
FIRING ORDER
Fig. 3: Firing Order (V8)
REPLACING ALL SPARK PLUGS (N62, N62TU)
Special tools required:
12 1 171
12 1 172
Necessary preliminary tasks:
Switch off ignition
Remove all IGNITION CO
SEE MORE:
Drawing Off, Evacuating And Filling A/C System (R 134A)
WARNING: Refrigerant circuit is under high pressure!
Repair work may only be carried out on a DEPRESSURIZED refrigerant
circuit!
Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant R 134a.
Follow safety instructions for handling refrigerant oil.
I
Ventilation
Principle
The air flow directions can be adjusted individually
for direct or indirect ventilation.
Setting the ventilation
General information
Open the air vents and position them to ensure
effective climate control.
Direct ventilation
The air flow is directed towards the passengers.
The air flow h
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