11 51 Water Pump and Drive

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.

WATER PUMP AND DRIVE SPECIFICATION

Application	Type	Thread	Measure
1AZ Water pump to crankcase	All	M6	10 Nm
	All	M7	15 Nm
	All	M8	22 Nm
2AZ Water pump to power steering pump	N40 / N42 / N45 / N46	M8 10.9	32 Nm