18 31 Exhaust pipe with catalytic converter/complete system
WARNING: This page is about a different car, the 2018 BMW 330i and 2017 BMW 330i. However, it is still accessible from the selected car via links, so may be relevant.
18 31 EXHAUST PIPE WITH CATALYTIC CONVERTER/COMPLETE SYSTEM - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Exhaust system to catalytic converter | B48 | Replace flat band clip. | 28 Nm | |
| 2AZ Catalytic converter to turbocharger | B48 | Replace V-band clamp | 32 Nm | |
| 3AZ Holder for catalytic converter on transmission | B48 | M12x100 | 66 Nm | |
| 4AZ Catalytic converter to holder | B48 | M8 | Replace screw/nut. | 19 Nm |
| 5AZ Exhaust system to body | B48 | M8 | Replace nuts. | 19 Nm |
| 6AZ Exhaust system to transmission | B48 | M8 | Replace nut. | 19 Nm |