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6 Series
The BMW 6 Series builds on BMW's sporty heritage with aggressive lines and an incredible motor to back the design up. Available in coupe and convertible trims with a standard 4.8 liter engine producing 360 horsepower and 360 lb-ft of torque, the 6-series is a popular choice that exceeds expectations.

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Old 11-21-2013, 11:58 AM
CJF 650i CJF 650i is offline
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Location: Los Angeles, CA
 
Join Date: Nov 2013
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Mein Auto: 2006 650i convertible
650i Buzzing sound from rear

Recently I have noticed an intermittent buzzing sound during light acceleration from the rear (seems like driver side) of my 06' 650i. Anyone familair with this sound? Is it the fuel pump or another module causing this? I have seen posts on this before but my issue seems a bit different since I don't hear it at idle....only when I start accelerating.
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Old 11-22-2013, 07:55 PM
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Yorgi Yorgi is offline
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Location: Toronto
 
Join Date: Mar 2005
Posts: 3,191
Mein Auto: '04 M3 / '06 650i Cab
The fuel pump is in the gas tank under the rear seats. Does it sound louder when the windows are down?

Can you make a video of the sound and post it on YouTube?
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