BMW E34 1988 – 1995 Wiring Diagrams
BMW E34 1988 – 1995 Wiring Diagrams. Figure 3 shows right-side (left) and front views (right) of the fuel pump assemblies we’ll be installing Wiring Diagrams . On the pump at left, BMW E34 1988 – 1995 Wiring Diagrams the fuel level sender is at the lowest position. On the pump at right, it’s in roughly its mid-range position. The clear flexible lines from the fuel pumps (the silver cylinders is mounted to the plastic body via a rubber suspension) exit through the top of the plastic housings via an 8mm bib, and are capped off with black plastic plugs when new. Not visible are the 12mm bosses for the return lines, which simply dump fuel down the back of the plastic housings. The fuel pump assemblies do not employ a keying scheme to limit installation to a particular orientation. However, the dimensions of the fuel tank and the geometry of the fuel pump assembly force the fuel pump assembly to be installed in only one orientation – with the fuel pump pickup pointing down and towards the rear of the car.
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