BMW X5 Owners & Service Manuals

BMW X5: Ignition Wires, Spark

REPLACING ALL SPARK PLUGS (N42, N40, N46, N45, N52, N52K, N51)

Special tools required:

Necessary preliminary tasks:

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.

Tightening torque 12 12 1AZ0.

Ignition Wires, Spark
Fig. 1: Identifying Special Tool (12 1 171) And (12 1 172)

READ NEXT:

 Ignition Coil

NOTES ON CHECKING IGNITION SYSTEM Troubleshooting -> Fault in fuel injection system -> Spark plug faults -> Ignition coil faults -> Further fault patterns with evaluation -> Additional

 Electronic Switching On Or Control Unit

 Replacing Crankshaft Pulse Generator (N52, N52K, N51, N53)

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:

 Rear Side Doors

ADJUSTING DOOR CAUTION: Do not damage adjoining body parts. Minor corrections (realignment work) are permitted if the existing adjustment options are not sufficient. NOTE: Observe gap dimensions. The door must be provided with all attachment parts for correct adjustment. Adjust screwed body parts

 Notes On Handling Optical Fibers

CAUTION: To avoid damage when handling optical fibers, comply with the following points: The minimum permitted bending radius is 25 mm Do not subject optical fibers to compressive and tensile load Protect optical fibers against the effects of heat > or =85ºC (e.g. during welding work, dr

© 2019-2026 Copyright www.bmwx5info.com