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E34 (1989 - 1995)

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  #1  
Old 09-08-2013, 08:34 AM
E34Fred E34Fred is offline
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Location: FL
 
Join Date: Dec 2011
Posts: 15
Mein Auto: E34 5251T
Fuel pump check valve

If your fuel rail is draining back due to a bad check valve in your fuel pump, DON'T change that expensive pump. Add an inline check valve. AIRTEX CV8000 $15. at NAPA or Auto Zone. I have a 94 540i and I put mine under the hood just before the fuel rail. Works great.
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  #2  
Old 09-08-2013, 06:28 PM
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BMR_LVR BMR_LVR is offline
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Location: Asheboro, NC
 
Join Date: Dec 2008
Posts: 5,264
Mein Auto: 1992 525i
Fuel pump check valve

Thanks for the tip.


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Old 09-09-2013, 06:51 AM
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Doktor Bert Doktor Bert is offline
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Location: Palm Springs
 
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Mein Auto: BMW 525i
Sweet tip for us spendithrifts!!!!
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