Fuel Volume

Download the full database via torrent (~1.1 TB)

Disconnect fuel return line. Attach an extension hose. Place hose in Measuring Glass (133020). Remove fuel pump relay. Apply battery voltage to relay base terminals No. 30 and 87. See Fig 1. Fuel volume should be about 2 qts. (2.0L) per minute.

Fig 1: Identifying Fuel Pump Relay Terminals & Socket

Courtesy of BMW OF NORTH AMERICA, INC.