13 53 INJECTOR NOZZLES AND LINES (M550i xDrive 2020-2022)
13 53 TIGHTENING TORQUE OVERVIEW
| Fuel delivery line to high pressure pump | ||
| M14 | Tightening torque | 30 Nm |
| Fuel delivery line to high pressure pump | ||
| M14 | Joining torque | 10 Nm |
| Tightening torque | 30 Nm | |
| Fuel supply line/rail to high pressure pump | ||
| Nut | tightening torque | 30 Nm |
| Fuel supply line to cylinder head cover/cylinder head | ||
| M6x16 | tightening torque | 10 Nm |
| High pressure line to high pressure pump | ||
| M14 | Joining torque | 10 Nm |
| Tightening torque (retorque twice) | 30 Nm | |
| High pressure line to injector | ||
| M12 | Joining torque | 10 Nm |
| Tightening torque (retorque twice) | 23 Nm | |
| High pressure line to rail | ||
| M12 | Joining torque | 10 Nm |
| Tightening torque (retorque twice) | 23 Nm | |
| High pressure line to rail | ||
| M14 | Joining torque | 10 Nm |
| Tightening torque (retorque twice) | 30 Nm | |
| High-pressure rail to injectors | ||
| Nuts | Tightening torque | 23 Nm |
| Hold-down device to cylinder head cover | ||
| screw | Tightening torque | 13 Nm |
| Injector hold-down device to cylinder head | ||
| M7 | Tightening torque | 14 Nm |
| Rail pressure sensor to rail | ||
| Rail pressure sensor M10 | Tightening torque | 35 Nm |
| Rail to cylinder head cover | ||
| M6x25 screw | Tightening torque | 10 Nm |
| Special tool 2 410 777 to injector well | ||
| M6 | tightening torque | 8 Nm |