11 53 Thermostat and Connections
WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i 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 | |