Fuel Gauge - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 01-30-2007, 12:05 AM
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Fuel Gauge

hey guys

i have a bmw 320i, this is what the fuel gauge looks like (click pic for bigger image)



the trouble is i cant fill the car up to full, only to the point circled in red (see image)

anyone got any ideas?
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#2 (permalink) Old 01-30-2007, 09:59 AM
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Bear is an unknown quantity at this point
Fuel gauge

If I read you correct, the car is full of gas it is the gauge that does not work. Sounds as if the fuel level sending unit is shot, if the 320 is like the 325, the sending unit is under the rear seat cushion, passenger side.
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#3 (permalink) Old 02-02-2007, 12:43 AM
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Probably just the sender...

Yeah probably just the sender going south. You can disconnect the plug from the sender and short the two wires together in the plug and turn the ignition key on and the gauge should go to FULL. You remove the sender by removing those four nuts and pulling it straight up (depending on the model year it's probably mounted integral with the fuel pump housing...). If you wanted to remove the fuel pump you would just turn that remaining housing counterclockwise a quarter turn and pull it out too. But don't unless you really have to because you introduce somewhere else to leak. If it's an older 320i with the external fuel pump the sender is just mounted in the tank by itself. You didn't say what year yours was.




-Mike
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