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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 11-11-2004, 04:20 AM
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can a faulty alternator drain the power out of your battery - even if the car is stood still?

i charged my battery - put it on the car and left the car for a few hours - came back and the battery was flat again
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#2 (permalink) Old 11-11-2004, 04:43 AM
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Rich - how old is this battery - it sounds like the cells may have "collapsed" - or you have lost the electrolyte solution in it or the solution needs topping up - is it a sealed unit?

If you have trickle charged it using an external source and it is flat again that quickly then it sounds like the battery isnt holding its charge

May need replacing

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#3 (permalink) Old 11-11-2004, 04:45 AM
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i dont think so???? sounds strange, did u leave anything on???? if the car is on they yes it can, but off??? prolly not. maybe there is a short in the system to do that or maybe the battery is just really dead. it sucks, but it happens, when its really dead, it is really dead.

Mark
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#4 (permalink) Old 11-11-2004, 10:05 AM
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well i've had the car fully checked out and they found it to be the alternator - just cost me Ł410 for it replacing $750!
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#5 (permalink) Old 11-11-2004, 01:03 PM
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Quote:
Originally posted by Rich328@Nov 11 2004, 09:05 AM
well i've had the car fully checked out and they found it to be the alternator - just cost me Ł410 for it replacing $750!
[snapback]228618[/snapback]

!!!!!!!???????????!!!!!!!!! man u need to do that type of repair yourself!!!!! it is pretty easy and takes about a half hour.
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#6 (permalink) Old 11-11-2004, 01:11 PM
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There is a write up on how to do it... on pelicanparts.com search it.. its a lot easier that way... and cheaper...

Les


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