11 53 Thermostat and Connections
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - THERMOSTAT AND CONNECTIONS
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Thermostat housing to water pump | N51 | M6x25 | 8 Nm | |
| 2AZ Feed lines to crankcase | N51 | M6x20 | 9 Nm | |
| 3AZ Feed line to water pump | N51 | L42-48 | Hose clamp | 3 Nm |
| 4AZ Coolant hose to cylinder head | N51 | M6x23 | 9 Nm | |
| 5AZ Bracket, coolant hoses, to crankcase | N51 | M6x16 | Replace screws Thread repairs exclusively with Al Helicoil. Jointing torque and angle of rotation must be observed without fail. Jointing torque Torque angle |
8 Nm 4 Nm 45 ° |
| 6AZ Hose between thermostat and water pump | N51 | L42-48 | Hose clamp | 3 Nm |
| 7AZ Bypass hose to thermostat | N51 | L42-48 | Hose clamp | 3 Nm |
| 8AZ Bracket, coolant hoses, to cylinder head | N51 | M6x12 | 8 Nm |