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:
Checking Camshaft Timing On Right Side (N62/N62TU)
Special tools required:
11 9 190
11 9 461
11 9 462
(cylinder bank 1 to 4)
Necessary preliminary tasks:
Remove servomotor from right eccentric shaft.
Remove right cylinder head cover.
Remove all spark plugs on cylinder bank 1 to 4.
If necessary, remove fan cowl.
IMPORTANT: Screw (1) is a
Troubleshooting
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.
-> External jump-starting aid.
INSTRUCT
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