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:
Removing And Installing Right Cylinder Head (N62 From 9/03 And N62TU)
(cylinder bank 1 to 4)
NOTE: To remove the exhaust manifolds, the engine must be secured in
the
installation position with the special tool and then the front axle bracket
lowered.
Remove right exhaust manifold.
After removing exhaust manifolds:
Reinstall front axle bracket provisionally and remove
Exhaust System, Complete
REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (N62TU)
Special tools required:
31 2 220
WARNING: Scalding hazard!
Only perform this work after engine has cooled down.
Danger of injury!
Removal of the exhaust system must be carried out with the assistance of a
second person.
Support exhaust sys
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