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      07-13-2010, 10:21 AM   #37
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 Roadstergal View Post
I had my low pressure fuel pump replaced with less than 1400 miles on the car. The humming that I heard never went away. It was constant and the only time that I could not hear it was when I was driving at higher speeds, but if I was stopped at a light or driving on secondary roads, it was always there and it was irking me to no end.
My symptoms are same as yours. Just mine came back as soon as I drove it home after the low pressure pump replacement last Friday. It was interesting that my SA mentioned if I ever heard it again they would order new hose and replace it. I am wondering if that means they heard the noise come back after the replacement. My gas tank was little below half. Like you said, I only hear at idle to low speeds. They want me to bring back this Saturday. Not sure if I should check another dealership. This is frustrating because I was looking forward to autocross it this weekend. I still may and let others hear the noise.
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