16 19 SELECTIVE CATALYST REDUCTION (SCR) TECHNOLOGY (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)
16 19 TIGHTENING TORQUE OVERVIEW
| Filling hose SCR reservoir | ||
| Hose clamp Replace hose clamp. |
tightening torque | 3 Nm |
| Fuel filler pipe on upper body | ||
| Nut M6 Replace nut. |
tightening torque | 8 Nm |
| Pre-supply pump to pump body | ||
| M4 screw Replace screws. |
tightening torque | 2 Nm |
| SCR collecting vessel to body | ||
| Replace plastic nut. | tightening torque | 4 Nm |
| SCR filler tube to body | ||
| Nut M6 | Tightening torque | 8 Nm |
| SCR reservoir to body | ||
| Nut M6 Replace nuts. |
tightening torque | 8 Nm |
| Service cap on SCR tank | ||
| M4 screw Replace screws and service cap. |
Tightening torque | 2 Nm |