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      07-12-2010, 10:23 PM   #27
flpnout
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Drives: 2010 Dinan S3 Z4-35i
Join Date: Jun 2008
Location: San Francisco, CA

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2010 E89 Z4  [7.83]
Quote:
Originally Posted by tranquility View Post
I noticed this on mine (just 3 days old) but it is slight whirling noise that comes on and off; probably noticed more now that the fuel tank is emptier. The tech confirmed it and thinks it's the low pressure fuel pump since it is coming from the back of the car and I'll have it checked soon. It is more annoying than anything else.

What I'm curious about is when ppl w/ this prb has the low pressure fuel pump replaced, does the prb actually go away or reoccur? Or is replacement not the solution but something else (software, etc)?
Mine didn't completely go away after the in-tank low pressure fuel pump replacement. It seem to have come back. They think now they want to replace the hose that connects to it this Saturday.
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