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
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Brake Lights
REMOVING AND INSTALLING/REPLACING AUXILIARY BRAKE LIGHT
Necessary preliminary tasks:
Remove rear spoiler.
Release screws (1).
Lift auxiliary brake light (2) in direction of arrow from rear spoiler.
Fig. 30: Lifting Auxiliary Brake Light
Disconnect plug connection (1).
Unclip spray nozzle (2) f
Air Conditioning Unit Disinfectants
A musty odor may be detected in the vehicle, particularly when the air
conditioner is first switched on.
This is caused by microorganisms growing on the evaporator from moisture
condensation.
A disinfectant can be applied to the air conditioning system:
"Airguard" by J. J. Products, Inc.; "Airse
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