12 12 Spark Plugs

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.

IGNITION WIRES SPARK SPECIFICATION

Application	Type	Thread	Measure
1AZ Spark plugs (ungreased)	All	M12x1.25	23 +/- 3 Nm
	All	M14x1.25	30 +/- 3 Nm