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:
Special tools required:
00 2 030
23 0 132
23 4 050
24 1 110
24 2 390
24 4 160
23 4 161
24 4 165
IMPORTANT: After completion of work, check transmission oil level.
Use only the approved transmission fluid.
Failure to comply with this requirement will result in serious damage
to the
auto
Safety information
Warning
High gross weight can overheat the tires, damage
them internally and cause a sudden tire
pressure loss. Driving characteristics may be
negatively impacted, reducing lane stability,
lengthening the braking distances and changing
the steering response. There is a risk of acc