Home/BMW/X5/BMW X5 E53 (1999-2003)/Repair manual/Fuel System/Fuel Supply System - Tightening Torques - X5 (3.0i)
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Fuel Supply System - Tightening Torques - X5 (3.0i) BMW X5 E53

16 11 Fuel Tank and Mounting Parts

TypeThreadTightening specificationMeasure
1AZ Fuel tank to body (hexagon nut)E46, E83M8Replace self-locking nuts19 N.m.
E24M845 N.m.
E30M825 N.m.
Tension strap to body (hexagon screw)E53, E46, E85, E83M819 N.m.
E24M88 N.m.
E38, E65, E66, E67, E60, E61, E63, E64M820 N.m.
2AZ Connecting pipe to fuel tankE3025 N.m.
3AZ Heat shield to fuel tankE308.5 N.m.
E241.0 N.m.
E313 N.m.
4AZ Drain plug to fuel tankAll25 N.m.
5AZ Trunk separating wall/retaining bracket to trunk floorE52M67.8 N.m.
6AZ Wheel arch cover to bodyE52M63 N.m.

FUEL TANK AND MOUNTING PARTS TIGHTENING TORQUE SPECIFICATIONS (1AZ - 6AZ)

16 12 Fuel Delivery

TypeThreadTightening specificationMeasure
1AZ Pump assembly to metal-bonded mountAll / with fuel injection6.5 N.m.
2AZ Holder to fuel pump or fuel reservoirAll / with fuel injection6.5 N.m.
3AZ Electric connections on fuel pumpAll / with fuel injection2 N.m.
4AZ Electric connections on fuel pumpAll / with fuel injectionM41.2 N.m.
5AZ Electric connections on fuel pumpAll / with fuel injectionM51.6 N.m.
6AZ Plastic nut on cover for fuel pipesE302 N.m.
7AZ Hose clamps 10-16 mm dia.All2 N.m.
E65 / E661.5 N.m.
8AZ Hose clamps 18 mm dia.All3 N.m.
9AZ Hose clamps 37 - 43 mm dia.All4 N.m.
E523 N.m.
10AZ Hose clamps 42 - 48 mm dia.E65 / E662 N.m.
E834 N.m.
11AZ Fuel filler pipe to bodyE46, E65, E66, E67, E834 N.m.
E60, E61,E63, E64M69 N.m.
E85M6 8.87 N.m.
12AZ Feed line to fuel tank E46 / M56M1426 +/-3 N.m.
13AZ Vent line from carbon canister to fuel tankE46 / M56M2426 +/-3 N.m.
14AZ Fuel tank vent line to fuel filler pipe / purge air line to carbon canisterE46 / M56 M1426 +/-3 N.m.
16AZ Grounding strap, fuel filler pipe to bodyE85M6 8.89 N.m.
E838 N.m.

FUEL TRANSFER SENSOR TIGHTENING TORQUE SPECIFICATIONS (1AZ - 16AZ)

16 13 Tank Ventilation

TypeThreadTightening specificationMeasure
1AZ Fuel vapor venting tank to bodyE243 N.m.
E304.5 N.m.
E394.0 N.m.
E385.5 N.m.
E533.5 N.m.
E65, E66, E679.0 N.m.
2AZ Carbon canister to bodyE85M89 N.m.
E46, E60, E61, E63, E64, E83M69 N.m.
3AZ DMTL to holder / carbon canisterE83, E85, E60, E46 / M561.8 N.m.
4AZ Dust filter to holder / carbon canisterE46 / M56, E83, E601.8 N.m.
E852.1 +/-0.2 N.m.

TANK VENTILATION TIGHTENING TORQUE SPECIFICATIONS (1AZ - 4AZ)

16 14 Fuel Pump

TypeThreadTightening specificationMeasure
1AZ Fuel level sender to fuel intakeAll / with transfer pump in tank2 N.m.
E328 N.m.
2AZ Sealing ring for fuel tank (service aperture, fuel level sensor, pump unit)
Plastic sealing ring 26.5 mm highE34 / E3140 N.m.
Plastic sealing ring 31.5 mm high (new)E36 / E34 / E31First tighten sealing ring by hand 2 turns55 N.m.
Locking ring (metal)E39 / E52 / E5335 N.m.
E60 / E61 / E63 / E64 / E65 / E66 / E6745 +/- 5 N.m.
E8550 +/- 10 N.m.
E8355 +/- 5 N.m.
3AZ In-tank pump with fill level sensor to tankE38M6Tighten nuts diagonally and evenly.6.5 N.m.
4AZ El. fuel pump control unit to body / holderE60, E61M68 N.m.

FUEL PUMP TIGHTENING TORQUE SPECIFICATIONS (1AZ - 4AZ)