Fuel Supply System - Tightening Torques - e92/93

Fuel Supply System - Tightening Torques - e92/93 BMW M3 E90

16 11 Fuel Tank and Mounting Parts

		Type	Thread	Tightening specification	Measure
1AZ	Fuel tank to body (hexagon nut)	E81, E82, E87, E88, E90, E91, E92, E93	M8	Replace self-locking nuts	19 Nm
2AZ	Tension strap to body (hexagon screw)	E81, E82, E87, E88, E90, E91, E92, E93	M8		19 Nm
3AZ	Hose clip to clamping ring (filler pipe)	E81, E82, E87, E88, E90, E91, E92, E93		Replace hose clip	3.5 Nm

FUEL TANK AND MOUNTING PARTS-TIGHTENING TORQUE SPECIFICATIONS

		Type	Thread	Tightening specification	Measure
1AZ	Hose clamps 42 - 48 mm dia.	E81, E82, E87, E88, E90, E91, E92, E93			4 Nm
2AZ	Fuel filler pipe to body	E81, E82, E87, E88, E90, E91, E92, E93	M5	Plastic nut	4 Nm
		E81, E82, E87, E88, E90, E91, E92, E93	M6	Hexagon nut	8 Nm
3AZ	Ball-taper screw connection, fuel feed line	E90/N51, E92/N51, E93/N51, E82/N51, E88/N51	M14	Ensure precise alignment between ball and taper.	30±6 Nm
4AZ	Holder, fuel filter, to body	E87, E90	M8		19 Nm
5AZ	Holder, fuel filter, to fuel filter	E87, E90	M4		4 Nm

FUEL DELIVERY-TIGHTENING TORQUE SPECIFICATIONS

		Type	Thread	Measure
1AZ	Carbon canister to battery compartment	E81, E82, E87, E88, E90, E91, E92, E93	M6	8 Nm
2AZ	Tank leak diagnosis module to carbon canister	E81, E82, E87, E88, E90, E91, E92, E93		2 Nm
3AZ	Dust filter to body	E81, E82, E87, E88, E90, E91, E92, E93		4 Nm

TANK VENTILATION-TIGHTENING TORQUE SPECIFICATIONS

		Type	Thread	Tightening specification	Measure
1AZ	Locking ring (metal)	E81, E82, E87, E88, E90, E91, E92, E93		Tightening on marking!
2AZ	El. fuel pump control unit to body/holder	E81, E82, E87, E88, E90, E91, E92, E93	M6		4 Nm

FUEL PUMP-TIGHTENING TORQUE SPECIFICATIONS