18 31 Exhaust system

WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 740i, 2015 BMW 740Li, and 2014 BMW Alpina B7L. However, it is still accessible from the selected car via links, so may be relevant.

TIGHTENING TORQUE SPECIFICATION - EXHAUST SYSTEM

		Type	Thread	Measure
1AZ	Exhaust system to catalytic converter	N63	M8 nut	20 Nm
2AZ	Exhaust manifold to cylinder head	N63	M8 nut	15 Nm
3AZ	Heat shield to cylinder head	N63	M6	10 Nm
4AZ	Clamp to exhaust manifold	N63	M8	23 Nm