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      04-08-2020, 06:00 PM   #7
Refractory
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Drives: E90 325i 218hp, N52B25
Join Date: Apr 2020
Location: Plovdiv, BULGARIA

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Same with me, stays perfectly steady at 600 OR 603 KPA. I'm trying to resolve a huge performance problem on my n52b25, accompanied by long cranks in the morning. I'm 99% sure the pressure in the n52 fuel system should be around 5.0 (500kpa) bar, give or take 0.2, but so many of us getting perfectly steady 600 kpa (which translates to 6.0 bar) readings is kind of suspicious, it's either we all have this same problem somewhere in our system, or it's just the way it's supposed to be, despite the fact a 1 bar difference, from what it supposedly has to be, is huge.
P.S. I see it's a necro but there's a pretty recent reply, so figured i might chime in as well, since the case looks to be pretty curious.
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