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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Connecting Lines
NOTES ON FITTING A NEW PIPE OR A SCREW CONNECTION
IMPORTANT: Do not kink, twist or crush lines.
Do not disassemble screw connection!
Fitting new screw connection:
Insert complete new screw connection consisting of toothed ring (1), banjo
bolt (2) and assembly plug (3) into
air spring/pipe connecti
Parking brake
Principle
The parking brake is used to prevent the vehicle
from rolling when it is parked.
Safety information
Warning
An unsecured vehicle can begin to move and
possibly roll away. There is a risk of accident.
Before exiting, secure the vehicle against rolling.
In order to ensure that the vehicle
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