18 31 Exhaust system, SCR technology
WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - EXHAUST SYSTEM, SCR TECHNOLOGY
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Flange/cone insert to catalytic converter (screw) | E70/E90 | 11 Nm | ||
| 2AZ | Nitrogen oxide sensor | E70/E90 | 50 Nm | ||
| 3AZ | Temperature sensor, SCR catalytic converter | E70/E90 | 30 Nm | ||
| 4AZ | Diesel particulate filter to front intake pipe | E70 | 51 Nm | ||
| 5AZ | Front intake pipe to exhaust pipe with catalytic converter | E70 | M8 | 19 Nm | |
| 6AZ | Metering unit to front intake pipe | E70 | 5 Nm | ||
| 7AZ | Front intake pipe to transmission | E70 | M8 | 19 Nm | |
| 8AZ | Exhaust system to rear differential | E70 | M8 | 21 Nm | |
| 9AZ | Rear silencer to body | E70 | M8 | 19 Nm | |
| 10AZ | Exhaust system to diesel particulate filter | E90 | M8 | 19 Nm | |
| 11AZ | Exhaust system to transmission mounting | E90 | M8 | 21 Nm | |
| 12AZ | Exhaust system to rear differential | E90 | M12 | 30 Nm | |
| 13AZ | Rear silencer to body | E90 | M8 | 21 Nm | |