1153 THERMOSTAT AND ENGINE-MOUNTED COOLANT LINES (X6 xDrive 35i)
1153 THERMOSTAT AND CONNECTIONS - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Thermostat housing to coolant pump. | N55 | M6 x 25 | 8 Nm | |
| 2AZ Thermostat housing to holder. | N55 | 9 Nm | ||
| 3AZ Holder to radiator | N55 | Self-tapping screw | 3 Nm | |
| 4AZ Feed line to crankcase. | N55 | M6x16 | 8.5 Nm | |
| 5AZ Feed line to coolant pump. | N55 | L42-48 | Hose clamp | 3 Nm |
| 6AZ Oil-to-water heat exchanger (OWWT) feed line. | N55 | L18-24 | Hose clamp | 3 Nm |
| 7AZ Coolant line to cylinder head (short-circuit line). | N55 | M6 x 23 | 8.5 Nm | |
| 8AZ Coolant line to thermostat. | N55 | Hose clamp with corrugated spring | 3 Nm | |
| 9AZ Coolant hose from thermostat to coolant pump | N55 | L42-48 | 3 Nm | |
| 10AZ Radiator supply and drain line to exhaust turbocharger | N55 | M6 x 16 | 8 Nm | |
| 11AZ Coolant return line to crankcase. | N55 | M6 x 16 | 8 Nm |