18 00 Exhaust Assembly
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - EXHAUST ASSEMBLY
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Primary catalytic converter to turbocharger/or jacket pipe to catalytic converter | M57/M57TU | M10 | 42 Nm | |
| M67 | 15 Nm | ||||
| M30/M70 | Tighten down compression spring with nut uniformly to full extent, then slacken by 1.5 turns | 10 Nm | |||
| M51 | Preload compression springs with nut to 27±1 mm | ||||
| S50 | M10 | 30 Nm | |||
| S54/ECE | M10 | 27 Nm | |||
| S54/US | M10 | 24 Nm | |||
| 2AZ | Exhaust pipe to flow section | E23 | 25 Nm | ||
| 3AZ | Clamp for final muffler | All | M8 | 15 Nm | |
| 4AZ | Catalytic converter on silencer | E36/M42/M43/M44 | Version with compression spring: Evenly preload compression springs with nuts to 30 mm |
||
| 5AZ | Connection of positive and negative leads to E catalytic converter | M73 | 5 Nm | ||
| 6AZ | Rear muffler to intermediate muffler | E53 | M8 | 30 Nm | |
| 7AZ | Vacuum tank to retaining plate | E46/M54 | M8 | 10 Nm | |
| 8AZ | Exhaust system to exhaust manifold | M40/M42/M43/M44 | M10 | 45 Nm | |
| 9AZ | Primary cat. to exhaust system | M57TU/E65 | 55 Nm | ||