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windnsea00
02-07-2005, 07:30 AM
my car didn't come with the owner manual so i ventured online to find out that our cars hold 13.7 gallons....the odd part is last night i was in the reserve with 40 miles to empty (so about 2 gallons or so left) and yet i topped off 13 1/2 gallons....what's up with that? by the way my car is a `95.
CirrusSR22
02-07-2005, 07:55 AM
I don't have my manual in front of me but I think it says the tank is 13.7 plus a reserve tank(?) of 2 gallons.
ClubSport
02-07-2005, 10:02 PM
The distance to empty is not all that accurate when it gets really low like that. I have a '95 and the manual states 13.7 gal, nothing about a reserve. I drove into a gas station with the needle buried, and I mean buried, on E, and put in 13.9. So I think the tank holds 13.7 and the filler tube holds about .3
CirrusSR22
02-08-2005, 12:26 AM
I certainly could be wrong, next time I think of it, I'll go look in the manual
2ndBimmer
02-08-2005, 01:38 AM
Tanks on the Ti's and Z3's are supposed to be 13.5 gallons.

I dont know about the reserve; looks like we have some mixed results being posted here.
CirrusSR22
02-08-2005, 03:12 AM
OK, I've got my manual in front of me.

"Fuel Tank...... approx. 13.7 (gallons)......

including reserve capacity of...... approx. 2.1 (gallons)"

Edit: unless that 2.1 gallon reserve is a part of the 13.7 gallon tank????
windnsea00
02-08-2005, 04:46 AM
well the reserve in cars is part of the tank....reserve means when the warning light goes on usually for most cars or so it is for my moms `04 jetta tdi....so that would make since that i put 13 1/2 gallons in when i had appx. 2 or so gallons left! so technically we have 15.8 gallon tank but of course you don't want to run it that low seeing you can suck up sediment off the bottom of the tank and you would be putting a heavy strain on your fuel pump.
ClubSport
02-08-2005, 11:37 AM
No, it says including reserve capacity of 2.1. This is not on top of the 13.7. About 2.1 gal left is when the low light comes on.
CirrusSR22
02-08-2005, 05:55 PM
Yeah that makes sense, but 13.7 + 2.1 gallons = 15.8 gallons.

15.8 gallons equals 59.8 liters and the ETK says our tanks are 60 liters.

http://www.realoem.com/bmw/showparts.do?model=CG83&mospid=47506&prod=19960300&btnr=16_0191&hg=16&fg=05

Honestly, I'm confused :)
ClubSport
02-08-2005, 08:18 PM
Huh, you might be right then! Anyone care to run their car until it runs out of gas?