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okay just had a thought anyone know what the fuel pressure is for the stock e320 fuel pump. I was thinking if I replace the standard fuel regulator with one from a porsche that works at 4bar (i'm assuming the stock one works at 3bar) will that not give me the same result a fitting the BEGI unit. I know it will still be a 1:1 ratio but in theory I will have a higher fuel pressure and be getting more fuel as the boost rises.
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