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:
Replacing Upper Vent Line For Air Supply Unit
IMPORTANT: Risk of damage!
Extreme cleanliness must be ensured in the connection area of the vent lines
during removal and installation. Even the smallest of dirt particles can cause
leakage in the air spring system.
Necessary preliminary tasks:
Remove trim panel for cover on frame side member on
Electronic Power Steering
TEACHING IN CENTRE POSITION FOR POWER STEERING (ACTIVE FRONT
STEERING) (FROM 03/2007)
NOTE: Carry out the following procedure after disconnecting the battery
or
disconnecting electrical plug connections on the steering column switch
cluster.
Turn on ignition, start engine if necessary.
Turn steeri
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