e50

Fueling issue

N54 Car will randomly shut off as it’s losing fuel with the i drive message fuel pump. Hpfp was replaced roughly 40k miles running e50 for about 10k miles. Lpfp was upgraded with a bucketed stage 2.5 fuel pump. The car will turn on and drive normally after waiting a while but if i try to start it after the issue occurs it’ll turn on and turn off acting as if it’s running out of fuel.