16 12 Fuel Delivery
WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.
FUEL DELIVERY - TIGHTENING TORQUE SPECIFICATIONS
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Pump assembly to metal-bonded mount | All / with fuel injection | 6.5 Nm | ||
| 2AZ Holder to fuel pump or fuel reservoir | All / with fuel injection | 6.5 Nm | ||
| 3AZ Electric connections on fuel pump | All / with fuel injection | 2 Nm | ||
| 4AZ Electric connections on fuel pump | All / with fuel injection | M4 | 1.2 Nm | |
| 5AZ Electric connections on fuel pump | All / with fuel injection | M5 | 1.6 Nm | |
| 6AZ Plastic nut on cover for fuel pipes | E30 | 2 Nm | ||
| 7AZ Hose clamps 10 - 16 mm dia. | All | 2 Nm | ||
| E65 / E66 | 1.5 Nm | |||
| 8AZ Hose clamps 18 mm dia. | All | 3 Nm | ||
| 9AZ Hose clamps 37 - 43 mm dia. | All | 4 Nm | ||
| E52 | 3 Nm | |||
| 10AZ Hose clamps 42 - 48 mm dia. | E65 / E66 | 2 Nm | ||
| E83 | 4 Nm | |||
| 11AZ Fuel filler pipe to body | E46, E65, E66, E67, E83 | 4 Nm | ||
| E60, E61, E63, E64 | M6 | 9 Nm | ||
| E85 | M6 8.8 | 7 Nm | ||
| 12AZ Feed line to fuel tank | E46 / M56 | M14 | 26 +/- 3 Nm | |
| 13AZ Vent line from carbon canister to fuel tank | E46 / M56 | M24 | 26 +/- 3 Nm | |
| 14AZ Fuel tank vent line to fuel filler pipe / purge air line to carbon canister | E46 / M56 | M14 | 26 +/- 3 Nm | |
| 16AZ Grounding strap, fuel filler pipe to body | E85 | M6 8.8 | 9 Nm | |
| E83 | 8 Nm |