13 53 Fuel Injector Nozzles and Lines
WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - FUEL INJECTOR NOZZLES AND LINES
| Type | Thread | Tightening specifications | Dimension | ||
|---|---|---|---|---|---|
| 1AZ | High pressure pump to vacuum pump | N55 | M6 x 25 | Continental high pressure pump | 9±1 Nm |
| M6 x 25 | Bosch high pressure pump | 12±1 Nm | |||
| 2AZ | Rail to cylinder head | N55 | M7 | 13±1 Nm | |
| 3AZ | High-pressure line to cylinder head | N55 | M7 | 13±2 Nm | |
| 4AZ | Fuel high-pressure sensor | N55 | M10 | 30-5 Nm | |
| 5AZ | Fuel low-pressure sensor | N55 | M10 | Sensata fuel low-pressure sensor | 20-3 Nm |
| M10 | Bosch fuel low-pressure sensor | 30-5 Nm | |||
| 6AZ | Hold-down device to cylinder head | N55 | M7 | 13±1 Nm | |
| 7AZ | Feed line to high pressure pump | N55 | M14 | Coat screw connection with transmission oil. | 30±3 Nm |
| 8AZ | High pressure line to rail and high pressure pump | N55 | M14 | Coat screw connection with transmission oil. | 30±3 Nm |
| 9AZ | High pressure lines to rail and injection system | N55 | M12 | Coat screw connection with transmission oil. | 23±3 Nm |
| 10AZ | Fuel delivery line | N55 | M8 x 17 | Replace screw. | |
| 1. Jointing torque | 5 Nm | ||||
| 2. Torsion angle adjustment | 90°±15° | ||||
| 11AZ | EMC plate to ignition coils and injector well | N55 | M6 | 8.5 Nm | |
| 12AZ | Screw plug in the EMC plate | N55 | 25 Nm | ||
| 13AZ | Special tool 13 0 270 or 0 496 885 on injector shaft | N55 | M6 | 8.5 Nm | |