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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 08-17-2016, 01:32 PM   #1
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Join Date: Aug 2014
Location: Pennsylvania
Posts: 30
My Ride: 2002 330i
E46 330i fuel pump replacement

So I I just recently replaced my fuel pump with a Bosch 67896 with no hiccups. The car is running fine again now. I did my initial startup and didn't notice anything abnormal. But the next day after starting, the pump made a high pitch whining noise. It continued after the car warmed up and through different rpm levels. The only thing that changed the volume of the noise was if I rolled up the windows but it still never made it go away. Any ideas as to why or what is causing the whine. The car is running fine but it's just creating that noise. Thanks for any help
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Old 08-18-2016, 07:08 AM   #2
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Join Date: Jul 2008
Location: USA
Posts: 4,931
My Ride: 2001 330Ci
From which vendor did you buy your "Bosch" fuel pump? IMHO the only brand of fuel pump to buy is Siemens/VDO. Period.
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