11 53 Thermostat and Connections
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - THERMOSTAT AND CONNECTIONS
| Type | Thread | Tightening specifications | Dimension | ||
|---|---|---|---|---|---|
| 1AZ | Thermostat housing to crankcase. | N20/N26 | M6 x 25 | 10 Nm | |
| 2AZ | Holder on radiator | N20/N26 | Self-tapping screw | 3 Nm | |
| 3AZ | Feed line to crankcase. | N20/N26 | M6x16 | 10 Nm | |
| 4AZ | Feed line to coolant pump. | N20/N26 | L42-48 | Hose clamp | 3 Nm |
| 5AZ | Coolant line to cylinder head (short-circuit line). | N20/N26 | M6 x 23 | 10 Nm | |
| 6AZ | Coolant hose from thermostat to coolant pump | N20/N26 | L42-48 | 3 Nm | |
| 7AZ | Coolant supply and drain line to exhaust turbocharger | N20/N26 | M6 x 16 | 10 Nm | |
| 8AZ | Coolant return line to crankcase. | N20/N26 | M6 x 16 | 10 Nm | |