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      10-27-2020, 11:25 AM   #3
Ronnie79
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Drives: F31 318d 2013
Join Date: Oct 2020
Location: Sweden

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I fitted a brand new Bosch high pressure fuel pump including the quantity control valve that is on the HPFP.

The only thing I haven't changed is the rail pressure regulator that is on the fuel rail itself. Would you start with a remap or change the rail pressure regulator?

Last edited by Ronnie79; 10-27-2020 at 03:32 PM..