Fuel Pump

Fuel Pump
1AZ Fuel level sender to fuel intake
All / with transfer pump in tank 2 Nm
E32 8 Nm
2AZ Sealing ring for fuel tank (service aperture, fuel level sensor, pump unit)
Plastic sealing ring 26.5 mm high
E34 / E31 40 Nm
Plastic sealing ring 31.5 mm high (new)
E36 / E34 / E31 55 Nm
Note: First tighten sealing ring by hand 2 turns
Locking ring (metal)
E39 / E52 / E53 35 Nm
E60 / E63 / E64 / E65 / E66 / E67 45 ± 5 Nm
E85 50 ± 10 Nm
E83 55 ± 5 Nm
E87 50 ± 5 Nm
3AZ In-tank pump with fill level sensor to tank
E38
M6 6.5 Nm
Note: Tighten nuts diagonally and evenly.
4AZ El. fuel pump control unit to body / holder
E60, E61
M6 8 Nm
E87
M6 4 Nm