18 31 Exhaust Pipe With Catalytic Converter/Complete System
WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.
EXHAUST PIPE WITH CATALYTIC CONVERTER/COMPLETE SYSTEM - TORQUES SPECIFICATION
| Type | Thread | Tightening Specification | |
|---|---|---|---|
| 1AZ Exhaust system to front pipe with CAT. | N54 | M8 | 21 Nm |
| 2AZ Exhaust system to rear wheel carrier | N54 | M8 | 21 Nm |
| 3AZ Front pipe with catalytic converter to turbocharger | N54 | M8 x 40 | 13 Nm |
| 4AZ Exhaust system to rear differential | N54 | AM12 | 35 Nm |
| 5AZ Clamp | N54 | 45 Nm | |
| 6AZ Exhaust system to body | N54 | M8 | 21 Nm |
| 7AZ Clamp, exhaust flap, to tailpipe | E71/N54 | M6 | 12 Nm |
| 8AZ Exhaust flap with tailpipe to clamp | E71/N54 | M6 | 12 Nm |