12 14 Electronic Shift Units or Control Units

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.

ELECTRONIC SWITCHING SPECIFICATION

Application	Type	Thread	Tightening Specification	Measure
1AZ TCI control unit	All			2.5 Nm
2AZ Knock sensor	E23			13 Nm
	All			20 Nm
3AZ Engine speed and reference mark sensor	All	M6	Replace microencapsulated screw	10 Nm
4AZ Cover on control unit box	All			4.4 Nm