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 9 323
Necessary preliminary tasks:
Open storage box
Unclip trim (1) with special tool 00 9 323 at retaining points (2).
Disconnect associated plug connections.
Fig. 190: Identifying Trim And Special Tool 00 9 323
Press locks (1) together and press AUX connection so
Drive in engine numbers at marked surface with impact tool.
M47 / M47TU / M47T2
Fig. 1: M47 / M47TU / M47T2 Engine Identification
M57 / M57TU / M57T2
Fig. 2: M57 / M57TU / M57T2 Engine Identification
M67 / M67TU
Fig. 3: M67 / M67TU Engine Identification
N47
Fig. 4: N47 Engine Identification
M52