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:
Replacing Seat Cover For Left Or Right Front Seat (Normal/Semi-Electric)
Special tools required:
52 0 050.
Necessary preliminary tasks:
Remove front seat.
Remove rear panel on front seat backrest.
Remove inner cover on front seat.
WARNING: US/CDN front passenger seat (with OC3 mat) only:
To avoid damaging the OC3 mat, it is essential to carry out the following
Connecting Rod With Bearing
REPLACING ALL CONNECTING ROD BEARING SHELLS (N52K)
Special tools required:
00 2 590 PLASTIGAGE (5)
00 9 120 TORQUE ANGLE MEASURING DIAL
IMPORTANT: All crank pins are connected with the crankshaft.
Modified procedure: The colors of the connecting rod bearing shells are the
same at the top and bo
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