18 31 Exhaust pipe with catalytic converter/complete system
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 - EXHAUST PIPE WITH CATALYTIC CONVERTER/COMPLETE SYSTEM
| Type | Thread | Tightening specifications | Dimension | ||
|---|---|---|---|---|---|
| 1AZ | Exhaust system to catalytic converter | N55 | Clamp | 55 Nm | |
| 2AZ | Front pipe with catalytic converter to turbocharger | N55 | M8 x 40 | Replace V-band clamp. | 13 Nm |
| 3AZ | Exhaust system to body | N55 | M8 | 21 Nm | |
| 4AZ | Turbo module with exhaust manifold to cylinder head | N55 | M7 | 13 Nm | |
| 5AZ | Clamp between center silencer and rear silencer | N55 | M10 | 45 Nm | |
| 6AZ | Clamp between front pipe and center silencer | N55 | M10 | 45 Nm | |