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'95 BMW won't start, been sitting awhile . .
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dyzzypyxxy
New User
Feb 3, 2010, 1:09 PM
Post #1 of 3
(3009 views)
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'95 BMW won't start, been sitting awhile . .
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Hello, my wonderful old '95 Bim 325is has been sitting in storage for about 18 months in our non- air conditioned shop in Florida (hot and humid in summer, cool and damp in winter). It has about 120K miles on it, and ran like a top until I got the newer car. We kept it for one of our kids who has since decided he doesn't want it.
Anyway, when we went to move it to our new shop, it would not start. We had not started it in the interim, which we should have, we know. My husband thinks it is old gas that has gummed up the injectors, and likely gelled in the tank too. The gas gauge was reading less than 1/4 full, so he added a couple of gallons of fresh gas to the tank before trying to start it, and charged up the battery. It turns over but will not catch.
Any advice as to how we should proceed would be appreciated.
thx
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nickwarner
Veteran
/ Moderator
Feb 3, 2010, 10:34 PM
Post #2 of 3
(2998 views)
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Re: '95 BMW won't start, been sitting awhile . .
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first verify your fuel pressure and your spark. If the fuel pump siezed up or your electrical contacts corroded this can point you toward which system is to blame and can be further diagnosed from there. Have you also opened up the airbox and looked for mouse nests? They love parked cars and can wreak havoc when they get to gnawing up wiring.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Feb 4, 2010, 7:32 AM
Post #3 of 3
(2982 views)
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Re: '95 BMW won't start, been sitting awhile . .
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Re: Old Gas:
Should have used Stabil (TM) twice in that time or used up the fuel a few times. Back with lead in fuels it did gel like an old can of paint - haven't seen that with current fuel but have seen it stink funny and precipitate junk (additives) and without dry storage moisture in air will condense on the empty part of a metal tank, droplets fall below fuel and won't evap out so easy.
I've had some luck with old fuel, not quite that long, using less than suggested on container of SeaFoam for fuel. If you get spark and can hear the fuel pump prime try some and prime throttle body with starting fluid for a quick start and stall likely. Repeat if needed.
Replace the fuel filter ASAP if you get it running ok and fill it fresh or at least dilute with fresh quite a bit and use that up. New oil change in order even if just done miles wise.
Battery may need replacing too. They don't do well sitting and worse if not left on a trickle + floating charger. Even new, stores dump batteries at about 1 year!
Warning: If this gets going be sure to test out brakes in safe conditions before use on road! They may be ok or not or just may need several stops to come back to normal. Rotors can gun rust or worse such that they may need work.
Cars hate just sitting unless meticulously stored,
T
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