- Remove fuel tank.
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 No. 16 1 710.
- Remove fuel-pump unit (1) with seal (2).
Removing/installing fuel filter
![](https://motoinstruction.ru/img/bmw/21/127220.jpg)
- Open clips (4, 7).
- Disconnect fuel hoses (3, 8) from fuel filter (5).
Caution: Note correct direction of flow through fuel filter.
- Connect fuel hoses (3, 8) to new fuel filter (5).
- Close clips (4, 7) with pliers, BMW No. 13 1 500.
Removing/installing fuel pump
- Open clips (4, 7).
- Disconnect fuel hoses (3, 8) from fuel filter (5).
Caution: Note correct direction of flow through fuel filter.
- Connect fuel hoses (3, 8) to new fuel filter (5).
- Close clips (4, 7) with pliers, BMW No. 13 1 500.
- Detach connecting cables (1, 2) from fuel pump.
- Open hose clip (9) and disconnect hose (8).
- Release holder (13).
- Release vibration damper at pump outlet (14).
- Pull fuel pump (12) with pump inlet vibration damper (11) off holder (6).
- Pull pump inlet vibration damper (11) off fuel pump (12).
- If necessary, pry off intake filter (10).
- Installation is the reverse of the removal procedure: pay particular attention to the following.
Caution: Position of intake filter (10): do not damage the filter.
Installing the fuel-pump unit
- Install the fuel-pump unit complete with seal in the fuel tank.
![](https://motoinstruction.ru/img/bmw/21/127221.jpg)
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 No. 161710.
- Install the fuel tank.
Tightening torques:
- Union nut 30 — Nm
- Fuel tank to frame M 8 — 21 Nm
- Bridge to frame M 8 — 21 Nm
- Bridge to frame M 6 — 9 Nm