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 | N20 | M8 | 26±2 Nm | |
| N26 | M8 | 25 Nm | |||
| 2AZ | Catalytic converter to turbocharger | N20/N26 | M8 | Replace clamp | 13 Nm |
| 3AZ | Exhaust system to rear axle final drive | N20/N26 | M12 | 35 Nm | |
| 4AZ | Clamp | N20/N26 | 45 Nm | ||
| 5AZ | Exhaust system to body | N20/N26 | M8 | 21 Nm | |
| 6AZ | Exhaust system on transmission cross-member | N20/N26 | M8 | 21 Nm | |
| 7AZ | Actuator drive for exhaust system to exhaust system | N20/N26 | M6 | 9 Nm | |