Quote:
Originally Posted by andrewwynn
The diagram shows the excess from the supply fuel pump doesn't go to the filter/FPR before going to the siphon jet that doesn't seem correct.
Also what is the B line to the injectors for?
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The diagram is for the M57TU engine in general and may not be E53 specific in relation to the actual tank arrangement...
The B line
from the injector is the injector leak-back line. In the image below, dark purple is HP fuel
to the injector and light purple is LP fuel
from the injector leak-back.
