13 53 Fuel Injector Nozzles and Lines
WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. 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 Rail, high-pressure side, to cylinder head | N63 / N63 Hybrid / S63 | M7 | 14 Nm | |
| 2AZ High pressure lines to rail and injection system | N63 / N63 Hybrid / S63 | M12 | Initial torque | 10 Nm |
| Final torque(Retorque twice) | 23 Nm | |||
| 3AZ High pressure line to rail and high pressure pump | N63 / N63 Hybrid / S63 | M14 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 30 Nm | |||
| 4AZ Feed line to high pressure pump | N63 / N63 Hybrid / S63 | M14 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 30 Nm | |||
| 5AZ Holding-down element to cylinder head for injection nozzles | N63 / N63 Hybrid / S63 | M7 | 14 Nm | |
| 6AZ Lug to fuel low-pressure sensor | N63 / N63 Hybrid / S63 | M6 | 10 Nm | |
| 7AZ Retaining clips to holder | N63 / N63 Hybrid / S63 | M6 | 10 Nm | |
| 8AZ High-pressure sensor to rail, high-pressure side | N63 / N63 Hybrid / S63 | 30 Nm | ||
| 9AZ Low-pressure fuel sensor to feed line | N63 / N63 Hybrid / S63 | 20 Nm | ||
| 10AZ Special tool 13 0 300 to cylinder head cover | N63 / N63 Hybrid / S63 | 10 Nm |