BMW X5 Owners & Service Manuals

BMW X5: Engine Electrical System (6-Cyl.)

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 Troubleshooting

CONTENTS OF ENGINE ELECTRICAL SYSTEM GENERAL General Information -> Working on ignition system. -> Removing and installing electronic control units. -> Welding work (overload protection of co

 Ignition Wires, Spark

REPLACING ALL SPARK PLUGS (N42, N40, N46, N45, N52, N52K, N51) Special tools required: 12 1 171 12 1 200 Necessary preliminary tasks: Switch off ignition Remove ignition coils. Unscrew spark p

 Ignition Coil

NOTES ON CHECKING IGNITION SYSTEM Troubleshooting -> Fault in fuel injection system -> Spark plug faults -> Ignition coil faults -> Further fault patterns with evaluation -> Additional

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 Evasion Assistant

Principle The Evasion Assistant supports the driver in making evasive maneuvers in certain situations, such as when obstacles or persons suddenly appear. General information The system issues a warning and intervenes to support the driver if a lateral evasive maneuver is possible. Sensors monitor an

 Workshop Hints On Cylinder Leakage Testing

When performing cylinder leakage tests, the following tips might be helpful: Remove all spark plugs to allow easier rotation of the engine. (If this test is done after a compression test, the plugs should already be out). Perform the leakage test on all cylinders, not just the problem cylinder.

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