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:
IMPORTANT: It is absolutely essential to read and comply with the
equipment manufacturer's
instructions for use provided in the equipment case!
Read and comply with the instructions for use provided with the special
tool
particularly with regard to accident prevention, health protection and
enviro
Special tools required:
23 0 490
27 1 470 DRIFT
IMPORTANT: After completion of work, check transmission oil level. See
Replenishing /Changing Transfer Case Oil (ATC 700).
Use only the approved gear oil. See Replacing Output Flange on
Transfer Box at Rear (ATC700) in this transfer box.
Necessar