18 31 Exhaust pipe with catalytic converter/complete system
WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. 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 specification | Measure | |
|---|---|---|---|---|
| 1AZ Exhaust system to front pipe with catalytic converter | N54 | M8 | 21 Nm | |
| 2AZ Exhaust system to bracket, transmission | N54 | M8 | 19 Nm | |
| 3AZ Catalytic converter to exhaust turbocharger | N54 | M8 | Replace profile clamp and screw | 13 Nm |
| 4AZ Exhaust system to rear differential | N54 | M8 | 19 Nm | |
| 5AZ Rear muffler to body | N54 | M8 | 19 Nm |