13 53 Fuel Injection Nozzles And Pipes
WARNING: This page is about a different car, the 2006 BMW 760i and 2005 BMW 760i. However, it is still accessible from the selected car via links, so may be relevant.
FUEL INJECTION NOZZLES AND PIPES - TIGHTENING TORQUE SPECIFICATIONS (1AZ - 8AZ)
| Type | thread | tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Fuel feed (union nut) to high - pressure pump | N73 | M14x1.5 | 25 N.m. | |
| 2AZ High-pressure connection (union nut) to high-pressure pump | N73 | M14x1.5 | 25 N.m. | |
| 3AZ Leak-off fuel connection (union nut) to high-pressure pump | N73 | M12x1.5 | 25 N.m. | |
| 4AZ Injection line to intake system | N73 | M7 | 15 N.m. | |
| 5AZ Injection line to intake system | N73 | M6 | 8 N.m. | |
| 6AZ Return line (union nut) to fuel rail. | N73 | M12x1.5 | 25 N.m. | |
| 7AZ High-pressure connection (union nut) to fuel rail. | N73 | M14x1.5 | 25 N.m. | |
| 8AZ Fuel pressure sensor | N73 | M10x1 | 30 N.m. |