1986 325e m62 swap. I have an inline fuel pressure gauge and in about ten-twenty minutes of sitting the pressure leaks down to 0. Im thinking the cehck valve in one of the two fuel pumps may be bad?
not sure which pump has the valve but i would assume the inline high pressure pump.
Also, i noticed my pump no longer primes with the key in the acc position, what could cause this randomly? it was fine about a week ago.
when the car starts up (after extended crank) it runs mint. any info would be fantastic.
not sure which pump has the valve but i would assume the inline high pressure pump.
Also, i noticed my pump no longer primes with the key in the acc position, what could cause this randomly? it was fine about a week ago.
when the car starts up (after extended crank) it runs mint. any info would be fantastic.