Checking fuel pump:
WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
Remove fuel pump relay.
Connect special tool 61 3 050 to terminals 87 and 30.
Press button and read off fuel pump delivery pressure on DIS Tester.
Compare actual value with setpoint value of delivery pressure.
NOTE:
For further test procedures,
refer to 13 31... NOTES ON FUEL PRESSURE CHECK (REFERENCE PRESSURE: INTAKE MANIFOLD PRESSURE) Fuel pressure check.
refer to 13 31... NOTES ON FUEL PRESSURE CHECK (REFERENCE PRESSURE: INTAKE MANIFOLD PRESSURE) Fuel pressure check.
NOTE:
Removing special tool kit 13 5 220:
- Switch off engine
- Screw out check valve fully again.
- Remove special tool kit 13 5 220 from pressure regulator housing.
- Catch and dispose of escaping fuel.NOTE: Interrogate fault memory of DME control unit.
Check stored fault messages.
Rectify faults.
Then clear fault memory.