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  #1  
Old 10-21-2004, 04:18 PM
wickedmind2000 wickedmind2000 is offline
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trouble woth OBC

on my 1988 735i the OBC turns on sometimes and most of the time its off,then i have to put in the time and date again,again ,and again if any1 can help me just email or pm me @ anytime thanx, 7`s Kick ASS
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  #2  
Old 10-21-2004, 05:58 PM
jeffreyb4me jeffreyb4me is offline
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Re: trouble woth OBC

Does the radio also loose memory ? ? Any other info? ? ?
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Old 10-21-2004, 06:17 PM
wickedmind2000 wickedmind2000 is offline
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Re: trouble woth OBC

nope,nothing else loses memory only the OBC
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Old 10-21-2004, 06:28 PM
jeffreyb4me jeffreyb4me is offline
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Re: trouble woth OBC

whooo, that was quick, I wnt to check something, post you back Fri, if you can wait. Perhaps someone else has a good answer 'til then.
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Old 10-21-2004, 06:34 PM
wickedmind2000 wickedmind2000 is offline
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Re: trouble woth OBC

u think i sould replace it?
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  #6  
Old 10-21-2004, 06:36 PM
jeffreyb4me jeffreyb4me is offline
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Re: trouble woth OBC

No, no, no.....I think you should wait 'til tomorrow for me to reply to your post with a better 'informed' response....................jeff b.
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Old 10-21-2004, 06:38 PM
wickedmind2000 wickedmind2000 is offline
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Re: trouble woth OBC

ok,thanx,there`s a guy from the neiborhood said he got 1 for 80 bucks?>
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Old 10-23-2004, 09:13 AM
jeffreyb4me jeffreyb4me is offline
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Re: trouble woth OBC

wickedmind2000 [].....if fuse F20 is okay [ you've actually replaced it] and still have the problem and the OBC is securely locked into it's plug by the control console lock, the problem must indeed be the OBC itself though,for this symptom, it'd be unusual. F20 is also "key off" B+ for several other consumers, not just memory power supply. Hope this helped.
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Old 10-23-2004, 09:16 AM
jeffreyb4me jeffreyb4me is offline
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Re: trouble woth OBC

One more note, as you can see from "KC Ron Carter"'s post for your radio, F20 does not power radio memory on E32's as it does on other models. The radio uses F21.
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