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Car Forum / BMW Cars / February 2006

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electrical problem...

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ninja73 - 22 Feb 2006 00:45 GMT
I've got an 85 325e that has been  having some electrical problems
lately, every once in a while when i try start the engine, it dies
instantly after turning over but will start again without problem if i
try a second time. Usually after it dies, my radio looses it's preset
station memory. What is going on??

the second problem happens sometimes when i start the engine, it with
idle fine for a few seconds then the RPM's will creep slowly down to 0
and it will die, or the engine will idle very irradicaly and will not
settle down unless i begin to drive above idle speed.

if anyone could help me out with these problems it would be greatly
appreciated!
Psycho - 22 Feb 2006 01:34 GMT
>I've got an 85 325e that has been  having some electrical problems
>lately, every once in a while when i try start the engine, it dies
[quoted text clipped - 9 lines]
>if anyone could help me out with these problems it would be greatly
>appreciated!

 First thing I'd suggest is checking the battery. Pull it and take it
to a shop and have it tested. After that, there's a ton of things to
check...
ninja73 - 22 Feb 2006 02:03 GMT
assuming that the battery checks out fine, what else could be the
problem??

thanks for the help!!
Psycho - 22 Feb 2006 20:20 GMT
>assuming that the battery checks out fine, what else could be the
>problem??
>
>thanks for the help!!

 Could be a bad ground, bad connection to the positive side of the
battery, loose connection at the fuse box, etc. First and foremost is
checking the battery. I've seen batteries that are marginal work one
time and fail the next only to work again 5 minutes later. My battery
was just replaced and one of the things it was doing was that the
radio would sometimes turn off and back on when I turned on the
headlights. Battery tested good but right on the edge of marginal.
That battery is now on a lawn mower that can be pull started if it
fails. My car needs to be reliable and sitting with a dead battery
doesn't meet that need...
Dave Plowman (News) - 22 Feb 2006 09:46 GMT
> I've got an 85 325e that has been  having some electrical problems
> lately, every once in a while when i try start the engine, it dies
> instantly after turning over but will start again without problem if i
> try a second time. Usually after it dies, my radio looses it's preset
> station memory. What is going on??

That sounds like the battery is being disconnected totally. Possibly the
fuseable link in the main battery cable?

Signature

*No husband has ever been shot while doing the dishes *

   Dave Plowman        dave@davenoise.co.uk           London SW
                 To e-mail, change noise into sound.

ninja73 - 24 Feb 2006 05:38 GMT
thanks for the advice! I'll see if  i can solve the problem.
shaqtopz@aol.com - 22 Feb 2006 15:58 GMT
Could be connector problems (intermittent signals) - try spraying some
DeoxIT on the battery and other connections.  You can get it at Fry's,
RadioShack and others.  Don't use anything else - this stuff is
amazing.  (http://store.caig.com/s.nl/sc.15/category.295/.f)

Mike

> I've got an 85 325e that has been  having some electrical problems
> lately, every once in a while when i try start the engine, it dies
[quoted text clipped - 9 lines]
> if anyone could help me out with these problems it would be greatly
> appreciated!
 
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