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 9 140
11 0 300
11 4 280
11 4 281
11 4 282
11 4 283
11 4 360
11 4 362
11 5 200
11 9 280
Necessary preliminary tasks:
Remove cylinder head cover
Remove all spark plugs
Remove chain tensioner, see 11 31 090 Installing and removing/replacing
chain tensioner p
WARNING: Danger of poisoning if oil is ingested/absorbed through the
skin!
Risk of injury if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to
enter the hydraulic
system.
Seal off hydraulic lines with plugs.
Necessary preliminary task