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:
Oil Supply - System Functions
The oil condition sensor reports the engine oil level and engine oil quality
back to the DME control unit. A
temperature sensor in the oil condition sensor indicates the engine oil
temperature. The engine oil temperature is
used together with the coolant temperature to calculate the engine tempera
Installing Replacement Transfer Box (ATC 700)
IMPORTANT: Before and after replacement, execute the "Repair" service
function with the
BMW diagnosis system.
Recycling:
Catch and dispose of escaping transmission fluid. Observe country-specific
waste-disposal regulations.
IMPORTANT: After completing work, check transmission oil level and top
up
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