13 31 ELECTRIC FUEL PUMP WITH DRIVE AND LINE (530i 2017-2022, 530i xDrive 2017-2022, 530e PHEV 2018-2022, 530e xDrive PHEV 2018-2022, 540i 2017-2022, 540i xDrive 2017-2022, M550i xDrive 2018-2022)
13 31 FUEL PUMP WITH DRIVE AND PIPES - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Fuel pump to engine | All | 12 Nm | ||
| 2AZ Fuel pipe coupling bolt | All/with K-Jetr. | M8 | 9 Nm | |
| 3AZ Fuel pipe coupling bolt | All/with K-Jetr. | M12 | 20 Nm | |
| 4AZ Fuel pipe to pressure regulator | All/with L-Jetr. | 30 Nm | ||
| 5AZ Return pipe connector to pressure regulator | All/with L-Jetr. | 27 Nm |