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:
31 3 341
31 3 351
31 3 353
WARNING: Observe the following instructions to avoid any risk of injury
by the coil
springs.
Prior to each use, check the special tools for defects, modifications
and operational reliability.
Damaged/modified special tools must not be used
REMOVING AND INSTALLING FLAP FOR FUEL FILLER NECK
NOTE: The illustration is a schematic representation and is to be
applied to the
relevant vehicle type.
Open fuel filler flap.
Lever out lock (2) and detach fuel filler flap (1) in direction of arrow.
Fig. 238: Identifying Fuel Filler Flap
REPLACI