Run on my 2011 335i just flashed to MHD stage 1 91 octane. now my fuel pressure is really fluctuating and car goes lean when it does. lots of timing corrections where the psi drops. This is proof my HPFP is toast right? Or could my LPFP be the problem? Thanks guys.
https://datazap.me/u/erzenble/2011-3...38&tmax=100.70
Last edited by Erzenble; 05-20-2019 at 07:37 PM.
Really want to confirm before i spend 500. Anyone?
Do you have any DME codes being registered? Any of the other HPFP usual symptoms?
Anthony Bartolini
Loki Motorsports
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