BMW X5: Ignition Wires, Spark
REPLACING ALL SPARK PLUGS (N42, N40, N46, N45, N52, N52K, N51)
Special tools required:
Necessary preliminary tasks:
- Switch off ignition
- Remove ignition coils.
Unscrew spark plugs with special tool 12 1 171.
Installation:
Tighten down spark plugs with special tool 12 1 171and special tool 12 1 200
(torque limiter).
Without special tool 12 1 200, observe tightening torque. See 12 1 200 TORQUE
LIMITER 30 NM.
Tightening torque 12 12 1AZ0.
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Fig. 1: Identifying Special Tool (12 1 171) And (12 1 172)
READ NEXT:
NOTES ON CHECKING IGNITION SYSTEM
Troubleshooting -> Fault in fuel injection system
-> Spark plug faults
-> Ignition coil faults
-> Further fault patterns with evaluation
-> Additional
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
IMPORTANT: Aluminum-magnesium materials.
No steel screws/bolts may be used due to the threat of ele
SEE MORE:
REPLACING MICROFILTER FOR INTERIOR VENTILATION
Necessary preliminary tasks:
Remove microfilter housing.
Unclip catches (1) and remove microfilter (2).
Installation:
Reset Condition Based Service display according to factory specification.
Fig. 69: Identifying Catches And Microfilter
REPLACING R
Window safety
switch
Power windows
Exterior mirror adjustment button
Central locking system
Unlocking
Locking
Seating comfort features
Front passenger seat
functionality
Memory function
Massage function
Opening and closing the
tailgate
Steering column stalk, left
Turn