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:
Use Of Materials In Outer Shell
The following illustration is a schematic representation of all the body
variants.
Fig. 20: Identifying Materials In Outer Shell
All components not listed in the table below are composed of established
sheet steel qualities.
COMPONENTS MATERIALS SPECIFICATION
VEHICLE IDENTIFICATION NUMBER, GENE
Fuel Pump With Drive
NOTES ON FUEL PRESSURE CHECK (REFERENCE PRESSURE: ENVIRONMENT)
Feature of this version with ambient pressure:
The connection for the vacuum hose of the fuel pressure regulator is located
between the throttle and the air
cleaner or on the air cleaner.
Test precondition:
The correct fuel pressure reg
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