3 Series E46 316i (M43TU) SAL
10. Fuel return line
22. Bimetal valve
11. Fuel feed line
23. Fuel cooler
12. H-piece (M47)
24. Pressure relief valve (M57)
13. Operating vent line
6.2 Functional description (please refer to drawing 6.4/6.5)
Fuel system (please refer to drawing 6.4/6.5)
For description, please refer to "Fuel supply system E46,
2.2 Functional description, fuel system".
With the following differences:
1.
The suction jet pump is driven by the fuel return line.
2.
Elimination of non-return flap in fuel filler neck.
3.
Elimination of pressure relief valve in fuel tank.
Fuel supply to the engine
M47 (please refer to drawing 6.4)
For description, please refer to "Fuel supply system E38/39 diesel M47,
2.2 Functional description, fuel supply to engine".
M57 (please refer to drawing 6.5)
For description, please refer to "Fuel supply system E38/39, diesel M57,
2.2 Functional description, fuel supply to engine".
With the following differences:
1.
The H-piece replaces the 5-section distributor.
2.
The fuel return from the bimetal valve is fed to a point directly in front of the inline pump.
Ventilation system (please refer to drawing 6.4/6.5)
For description, please refer to "Fuel supply system E38/39, diesel M57,
2.2 Functional description, fuel supply to engine".
With the following difference:
- The dust filter is eliminated.
Fuel level measurement in the fuel tank
For description, please refer to "Fuel supply system E38/39,
1.2 Functional description, fuel level measurement in the fuel tank".
6.3 Fuel system operating data
Operating pressure of fuel delivery pump: 0.4 bar
Operating pressure of suction jet pump: 1 - 1.3 bar
SBT Functional description of fuel supply system E38 E39 E46 E52 E53
BMW AG - TIS
19.01.2013 20:41
Issue status (12/2007) Valid only until next DVD is issued
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