18 31 Exhaust pipe (N47, D16/20 K/U/O/T 1)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - EXHAUST PIPE (N47, D16/20 K/U/O/T 1)
| Type | Thread | Tightening specifications | Dimension | ||
|---|---|---|---|---|---|
| 1AZ | Exhaust system to turbocharger | N47 D16 U 1/N47 D20 K 1/N47 D20 U 1/N47 D20 O 1/N47 D20 T 1 | M8 | If necessary, replace clamp. | 15 Nm |
| 2AZ | Diesel particulate filter/primary catalytic converter to exhaust system | N47 D16 U 1/N47 D20 K 1/N47 D20 U 1/N47 D20 O 1/N47 D20 T 1 | M8 | Replace M8 flat band clip. | 26 Nm |
| M10 | Replace M10 flat band clip. | 43 Nm | |||
| 3AZ | Clamping sleeve | N47 D16 U 1/N47 D20 K 1/N47 D20 U 1/N47 D20 O 1/N47 D20 T 1 | 45 Nm | ||
| 4AZ | Pressure hose to the exhaust gas pressure sensor or exhaust backpressure pipe | N47 D16 U 1/N47 D20 K 1/N47 D20 U 1/N47 D20 O 1/N47 D20 T 1 | 3 Nm | ||
| 5AZ | Pressure pipe to exhaust manifold | N47 D16 U 1/N47 D20 K 1/N47 D20 U 1/N47 D20 O 1/N47 D20 T 1 | M6 | 8 Nm | |
| 6AZ | Heat shield to exhaust manifold | N47 D16 U 1/N47 D20 K 1/N47 D20 U 1/N47 D20 O 1/N47 D20 T 1 | M6 | 8 Nm | |
| 7AZ | Metering unit to front pipe (SCR) | N47 D20 O 1 | Clamp | 10 Nm | |