11 11 Engine block

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

TIGHTENING TORQUE SPECIFICATION - ENGINE BLOCK

		Type	Thread	Tightening specification	Measure
1AZ	Main bearing bolts (steel bolts 10.9)	N55	M10x100	Replace screws
				Jointing torque	20 Nm
				Torque angle	70 °
2AZ	Bedplate Aluminum screws/bolts	N55	M10x27	Replace screws Thread repairs exclusively with Al Helicoil. Jointing torque and angle of rotation must be observed without fail.
				Jointing torque	15 Nm
				Torque angle	90 °
3AZ	Bedplate Aluminum screws/bolts	N55	M8x37	Replace screws Thread repairs exclusively with Al Helicoil. Jointing torque and angle of rotation must be observed without fail.
				Jointing torque	8 Nm
				Torque angle	90 °
4AZ	Bedplate Aluminum screws/bolts are marked with blue paint.	N55	M10x41	Replace screws Thread repairs exclusively with Al Helicoil. Jointing torque and angle of rotation must be observed without fail.
				Jointing torque	15 Nm
				Torque angle	90 °
5AZ	Oil spray nozzles to engine block	N55		Hollow bolt	12 Nm
6AZ	Screw plug, coolant drain plug	N55	M14x1.5	Replace screw with sealing ring	25 Nm
7AZ	Screw plug, timing case upper section	N55	M22x1.5	Replace screw with sealing ring	50 Nm
8AZ	Screw plug, timing case upper section	N55	M33x1.5	Replace screw with sealing ring	50 Nm
9AZ	Screw plug, timing case lower section	N55	M16x1.5	Replace screw with sealing ring	27 Nm