18 31 Exhaust system
WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2017 BMW M6, 2017 BMW 650i xDrive, 2017 BMW 650i, 2017 BMW 640i xDrive, and 2017 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - EXHAUST SYSTEM
| Type | Thread | Tightening specifications | Dimension | ||
|---|---|---|---|---|---|
| 1AZ | Exhaust system to catalytic converter | S63 B44 T 0 | M8 nut | 21 Nm | |
| 2AZ | Heat shield to cylinder head | S63 B44 T 0 | M6 | 10 Nm | |
| 3AZ | Clamping sleeve | S63 B44 T 0 | M8 | 23 Nm | |
| 4AZ | Clamping sleeve | S63 B44 T 0 | M10 | 45 Nm | |