11 72 Air pump, lines and control valves
WARNING: This page does not describe the selected car, but rather 14 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 TORQUES - AIR PUMP, LINES AND CONTROL VALVES [N51]
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Secondary air valve to cylinder head | N51 | M6 | 8 Nm | |
| 2AZ Secondary air pump to mounting bracket/pump carrier | N51 | M6 | 8 Nm | |
| 3AZ Intake hose / intake line to body | N51 | M6 | 8 Nm |
TIGHTENING TORQUES - AIR PUMP, LINES AND CONTROL VALVES [N52K]
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Secondary air valve to cylinder head | N52K | M6 | 8 Nm | |
| 2AZ Secondary air pump to mounting bracket/pump carrier | N52K | M6 | 8 Nm | |
| 3AZ Intake hose / intake line to body | N52K | M6 | 8 Nm |