11 53 Thermostat and Connections
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.
THERMOSTAT AND CONNECTIONS - TIGHTENING TORQUES SPECIFICATION
| Type | thread | tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Thermostat housing | All | M6 | 10 Nm | |
| 2AZ Bleeder screw | All | M8 | 8 Nm |
THERMOSTAT AND CONNECTIONS - TIGHTENING TORQUES SPECIFICATION
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Thermostat housing to coolant pump. | N54 | M6 x 25 | 8 Nm | |
| 2AZ Thermostat housing to coolant pump. | N54 | M8 x 16 | 20 Nm | |
| 3AZ ASA screw (4x) Assembly, feed line to crankcase top section |
N54 | M6 x 20 | 9 Nm | |
| 4AZ Feed line to coolant pump. | N54 | L42-48 | Hose clamp | 3 Nm |
| 5AZ Feed line to thermostat | N54 | Hose clamp | 3 Nm | |
| 6AZ Coolant hose to cylinder head | N54 | M6 x 23 | 9 Nm | |
| 7AZ ISA screw (1x) Coolant feed line to exhaust turbocharger |
N54 | M6 x 12 | 8 Nm | |
| 8AZ ISA screw (1x) Coolant return line to exhaust turbocharger |
N54 | M6 x 12 | 8 Nm | |
| 9AZ ISA screw (1x) Coolant return line to crankcase top section |
N54 | M6 x 16 | 8 Nm | |
| 10AZ ISA screw (2x) Coolant feed lines to assembly, feed line |
N54 | M6 x 16 | 8 Nm |