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
REMOVE REAR SEAT
Vehicles with comfort seat:
Remove right REAR SEAT
REMOVE FLANGE COVER

NOTE: Picture does not show the fuel tank outer skin.

Disconnect earth cable (1).

Disconnect fuel lines (2).

Release lock (4) and remove pump housing cover (3).

Fig 1: Identifying Fuel Pump Housing Cover With Fuel Lines, Earth Cable And Lock

Courtesy of BMW OF NORTH AMERICA, INC.

Release lock (1) and remove fuel pump (2) towards top.

Fig 2: Identifying Fuel Pump With Lock

Courtesy of BMW OF NORTH AMERICA, INC.