Inspection III
Note: If the fuel is of poor quality, replace the fuel filter every 20,000 km (12,000 miles).
- Remove fuel tank
See Group 16.
Warning: Comply with safety precautions when handling or working with fuel.
- Drain fuel tank.
Removing the fuel pump unit
- Release union nut (3) using wrench, BMW # 16 1 710.
- Remove fuel-pump unit (1) with gasket (2).
Removing and installing fuel filter
- Open the retainers (4).
- Disconnect fuel hoses (1, 3) from fuel filter (2).
Caution: Note correct direction of flow through fuel filter.
- Connect fuel hoses (1, 3) to the new fuel filter (2).
- Close retainers (4) with pliers, BMW # 13 1 500.
Installing the fuel-pump unit
- Install the fuel-pump unit complete with gasket in the fuel tank.
Note: Make sure that the arrow on the underside of the fuel tank points directly toward the arrows on the fuel-pump unit.
- Tighten the union nut with wrench, BMW # 161710.
- Install the fuel tank.
Tightening torques:
- Union nut — 30 Nm
- Fuel tank to frame M8 — 21 Nm
- Bridge to frame M8 — 21 Nm
- Bridge to frame M6 — 9 Nm
