Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 740i, 2015 BMW 740Li, and 2014 BMW Alpina B7L. However, it is still accessible from the selected car via links, so may be relevant.

Draw off FUEL from fuel tank
Remove REAR RIGHT WHEEL ARCH TRIM

Unhook retaining strap (1) from tank flap.

Open cap and set to one side.

Fig 1: Identifying Tank Flap Retaining Strap

Courtesy of BMW OF NORTH AMERICA, INC.

Release plastic nut (1).

Installation:

Check plastic nut (1), replace if necessary.

Tightening torque 16 12 2AZ .

Unclip line holder (2).

Release hexagon nut (3).

Installation:

Tightening torque 16 12 2AZ .

Fig 2: Identifying Quick Release Coupling, Line Holder And Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Release quick-release coupling (4).

Unclip line (1).

Installation:

Make sure lines (1) and (2) are correctly seated in holder.

Fig 3: Identifying Line Holders

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: There may be residual amounts of fuel in the tank!
Catch escaping fuel in a suitable container.

Fig 4: Identifying Fuel Tank Hose Clip And Quick-Release Coupling

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten hose clip (1).

Installation:

Check hose clamp, replace if necessary.

Tightening torque 16 12 1AZ .

Release quick-release coupling (2).

Remove fuel filler pipe.