11 21 Crankshaft And Bearings

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.

CRANKSHAFT AND BEARINGS TIGHTENING SPECIFICATION

	Type	Thread	Description	Tightening Specification
1AZ Increment wheel on crankshaft	S54	M5 10.9	Replace screws
			Jointing torque	5.0 Nm
			Torque angle	45 °
Increment wheel on crankshaft		M5 10.9	Replace screws	13 Nm
Increment wheel on crankshaft		M5 8.8	Replace screws	5.5 Nm

CRANKSHAFT AND BEARINGS TIGHTENING SPECIFICATION

	Type	Thread	Description	Tightening Specification
1AZ Torsion damper (hub) to crankshaft (central bolt 12.9)	N51	M16x80	Replace screws Lightly oil screws and threads
			Jointing torque	100 Nm
			Torque angle	360 °