E46Fanatics - View Single Post - Replaced both Fuel Level Sensor/Sending Units. DIY with pics....
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Old 04-02-2011, 12:08 AM   #64
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Join Date: Aug 2007
Location: USA
Posts: 39
My Ride: 2001 BMW 330ci
this might be a stupid question but what is the function of fuel sending unit? does it sucks fuel from one side of the tank to its own side? How to check if they are bad or not. And what about the fuel pump with sending units, i have seen those too. Thanks

Last edited by vitaladeel; 04-02-2011 at 04:53 PM.
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