Fuel System Pressure Release

Fuel system pressure release procedure not available from manufacturer. It may be possible to remove fuel pump relay, start engine, and run engine until fuel pressure drops (engine stalls). See DME & FUEL PUMP RELAY LOCATION table.

DME & FUEL PUMP RELAY LOCATION

Application

Location

325i, 325iC & 325is

⁽¹⁾ Behind Cover, Along Engine Compartment Firewall

525i & 525iT

⁽²⁾ Right Inner Fender Panel Of Engine Compartment

⁽¹⁾	First relay (viewed from left to right) after ground wire is fuel pump relay followed by Digital Motor Electronics (DME) master relay.

⁽²⁾	First relay (viewed from top to bottom) is Digital Motor Electronics (DME) master relay, followed by fuel pump relay and then oxygen sensor heater relay.