13 53 Fuel Injector Nozzles and Lines
WARNING: This page is about a different car, the 2018 BMW 330i xDrive and 2017 BMW 330i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
13 53 FUEL INJECTOR NOZZLES AND LINES - TIGHTENING TORQUES SPECIFICATIONS
| Type | Thread | Instructions | Torque Specification | |
|---|---|---|---|---|
| 1AZ Fuel high-pressure sensor | B48 engine | 30 - 5 Nm | ||
| 2AZ Injector on rail | B48 engine | M5x30 | Replace the screws and tighten in the proper sequence according to repair instructions. 1. Final torque 2. Angle of rotation |
5 Nm 100° |
| 3AZ High-pressure rail to cylinder head | B48 engine | M6x70 | Replace the screws and tighten in the proper sequence according to repair instructions. 1. Final torque 2. Angle of rotation |
5 Nm 100° |
| 4AZ Feed line to high pressure pump | B48 engine | M14 | 31 Nm | |
| 5AZ Feed line to cylinder head cover | B48 engine | 7 Nm | ||
| 6AZ High pressure line on the rail and high pressure pump | B48 engine | M14 | 33 Nm |