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  1. #1
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    Fuel capacity ?

    I just filled up and put 18.36 gallons in my 528. Checking the manual it indicates fuel capacity as approx 18.5 gallons and the reserve 2 gallons. Does this mean total capacity is 20.5 gallons or should this be read as meaning the 18.5 includes the 2 gallon reserve? Does the low fuel indicator light come on when you are down to 2 gallons? After all these years you would think I would have asked myself this a long time ago.


  2. #2
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    Isn't this info in your manual? Think my capacity(

    is 19.2 US gallons.




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  3. #3
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    Yes | No

    Pretty sure it's 18.5 including the reserve...

    When I flatlined one time and ran on fumes (not my fault!) it took just under 18.5.

    I don't recommend you let it go that low on a regular basis before refilling.

    2002 530i

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    Jim- that's what it says and what

    that's what the manual says and what I am trying to understand

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    Yes | No

    My low fuel light comes on when I have about (m)

    2 gallons left in the tank. A few years ago I was driving up from NC, I was going thru MD and thought I'd wait until I got into Delaware to gas up. When I finally found a gas station my MID said I had 1 mile left in the tank. I pumped in 19.3 gallons, almost to the top of the filler neck. Not that it's a good idea to do, but I wanted to see how much fuel it would take.

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    From this I deduct

    From this I deduct that the capacity listed of capacity of 18.5 sort of includes the reserve. Or, actually the reserve is a tad bit more than 2 gallons. And, the low fuel indicator lamp indicates you have approx 2 gallons left. Hard to believe after 11 years we are having this conversation. Perhaps we stumbled on the 1 thing that has not been discussed upside down, backwards and inside out. Always good to hear from you Jim.

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