18 31 Exhaust pipe with catalytic converter/complete system
WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - EXHAUST PIPE WITH CATALYTIC CONVERTER/COMPLETE SYSTEM
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Exhaust system to front pipe with catalytic converter | N54/N54T | M8 | 21 Nm | |
| 2AZ Exhaust system to bracket, transmission | N54/N54T | M8 | 19 Nm | |
| 3AZ Catalytic converter to turbocharger | N54/N54T | M8 | Replace profile clamp and bolt. | 13 Nm |
| 4AZ Exhaust system to bracket on rear axle carrier | N54/N54T | M8 | 19 Nm | |
| 5AZ Rear silencer to body | N54/N54T | M8 | 19 Nm |