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:
Instructions For Handling Light Bulbs (Exterior Lights)
WARNING: Xenon headlights: Danger to life due to high voltage!
Work on the entire xenon lighting system (ignition unit, control unit and
lamp) may only be carried out by specialist personnel.
WARNING: Halogen lamps are under pressure:
To avoid injury, wear protective goggles and gloves.
IMPORTANT:
Performing Vertical Acceleration Sensor Adjustment (Vertical
Dynamics Management)
NOTE: Vertical acceleration sensor adjustment must be performed after
replacement of
the spring strut/shock absorber with damper satellites.
Connect vehicle to BMW diagnosis system.
Select and perform vertical acceleration sensor adjustment under Service
functions.
NOTES ON AIR SPRING SYSTEM
Comp
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