17 10 Radiator, expansion tank
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2015 BMW 740i, 2015 BMW 740Li xDrive, 2015 BMW 740Li, 2014 BMW 740i, and 2014 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - RADIATOR AND EXPANSION TANK (N55, N55 HYBRID, N57 D30 U/O/T/S 0/1)
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Radiator cover, top | N55/N55 Hybrid/N57 D30 U 0/N57 D30 O 0/N57 D30 T 0/N57 D30 O 1/N57 D30 T 1/N57 D30 S 1 | 4.5 Nm | ||
| 2AZ Cover, charge air cooler | N55/N55 Hybrid/N57 D30 U 0/N57 D30 O 0/N57 D30 T 0/N57 D30 O 1/N57 D30 T 1/N57 D30 S 1 | 4.5 Nm | ||
| 3AZ Expansion tank to body | N55/N55 Hybrid/N57 D30 U 0/N57 D30 O 0/N57 D30 T 0/N57 D30 O 1/N57 D30 T 1/N57 D30 S 1 | M6 | 10 Nm | |
| 4AZ Front charge-air duct to fan cowl | N55/N55 Hybrid | 5 Nm | ||
| 5AZ Transmission oil heat exchanger to holder | N55/N55 Hybrid | M6 | 8 Nm | |
| 6AZ Thermostat insert to transmission oil heat exchanger | N55/N55 Hybrid | M6 | 6 Nm | |
| 7AZ Transmission oil heat exchanger to engine block | N57 D30 U 0/N57 D30 O 0/N57 D30 T 0 | M6 | 8 Nm | |
| 8AZ Auxiliary radiator to holder | N55/N55 Hybrid/N57 D30 U 0/N57 D30 O 0/N57 D30 T 0/N57 D30 O 1/N57 D30 T 1/N57 D30 S 1 | M6 | 8 Nm | |
| 9AZ Gearbox heat exchanger to oil filter housing | N57 D30 O 1/N57 D30 T 1/N57 D30 S 1 | M6 | 8 Nm | |
| 10AZ Thermostat cartridge to oil filter housing | N57 D30 O 1/N57 D30 T 1/N57 D30 S 1 | M6 | 8 Nm | |
| 11AZ Coolant line to radiator for el. machine electronics | N55 Hybrid | M6 | 10 Nm | |
| 12AZ Expansion tank for el. machine electronics to body | N55 Hybrid | M6 | 9 Nm | |
| D6x20 | Self-tapping screw | 5.5 Nm | ||
| 13AZ Holder for module carrier | N57 D30 S 1 | 10 Nm | ||
| 14AZ Coolant line to auxiliary charge air cooler | N57 D30 S 1 | 8 Nm |