18 00 Exhaust Assembly
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING 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 |