11 28 V-Ribbed Belt With Tension And Deflection Element

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

V-RIBBED BELT TIGHTENING SPECIFICATION

	Type	Thread	Description	Tightening Specification
1AZ Belt tensioner to engine block	N51	M11x65	Thread repair is not permitted
			Jointing torque	25 Nm
			Torque angle	90 °
2AZ Deflection pulley to alternator	N51	M10x40		40 Nm