11 53 Thermostat and Connections
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - 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 | |