13 63 590 Replacing fuel pump relay

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.

Interrogate fault memory of DME control unit.

Switch off ignition.

Fold down right side trim in luggage compartment.

Fig 1: Folding Down Right Side Trim In Luggage Compartment

Courtesy of BMW OF NORTH AMERICA, INC.

Detach fuel pump relay (1).

After removal of fuel pump relay and during engine starting sequence:

the fuel pump no longer operates,
the engine does not start.

Fig 2: Identifying Fuel Pump Relay
Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Interrogate fault memory of DME control unit.
Check stored fault messages.
Rectify faults.
Now clear the fault memory.