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2005 BMW 525i Fuel pressure regulator

Tiny
HAYDEN41
  • MEMBER
  • 2005 BMW 525I
  • 107,000 MILES
Trying to locate my fuel pressure regulator on my 2005 525i bmw. My car takes awhile to start as if im out of fuel on a cold start. Also if the car has been sitting for approx 20min after being driven.
Saturday, August 10th, 2013 AT 6:25 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
The regulator should be on the fuel rail. I would recommend that you check fuel pump pressure to see if it drops off quickly when the engine is shut off. It sounds like the pump has to reprime itself.
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Saturday, August 10th, 2013 AT 8:45 PM

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