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Welcome to United Bimmer Community - BMW Forum . You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today! If you have any problems with the registration process or your account login, please contact contact us. |
| 7 Series (E23, E32, E38, E65, E66) General discussion and technical help for all year 7 series cars. |
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08-25-2006, 07:41 PM
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#16 | |
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08-25-2006, 09:06 PM
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08-25-2006, 11:50 PM
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#18 |
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Two theories on why the 8 has two batteries. First is the weight and balance theory that says the two batteries are the finishing touch on nearly perfect weight distribution front to back and side to side. The second is that the two huge batteries and the 140 Amp alternator are there just to power all of the electronic toys that the engineers could stuff into the the car. After all it has "computers" in the door sills because they ran out of space in the conventional places. When you close the door and lock the car it still takes about 15 minutes before everything is shut down. E32 7 series is almost as trippy as the E31 8 series because they shared engineering to a large degree.
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It could be that the purpose of your life is only to serve as a warning to others. Mine sometimes feels that way. Terry Aloha Oregon '95 840 '98 SVT Cobra |
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08-26-2006, 12:06 AM
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#19 |
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Well.... This just happens to be my lucky day.  I drove a 1991 850i with the V12 engine, and it had 1 battery. I'll get pictures tommorow if the car is still there. And, back to the 7-series battery...sorry, I was thinking of an e38. 
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08-26-2006, 12:18 AM
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#20 |
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If that '91 850 only has one battery it is not to factory spec. There should be one behind each side panel in the trunk. 
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It could be that the purpose of your life is only to serve as a warning to others. Mine sometimes feels that way. Terry Aloha Oregon '95 840 '98 SVT Cobra |
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08-26-2006, 04:54 AM
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#21 |
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Re: the 2 battery issue - it's a balance thing. Similar to Porsche 911 (one in each front corner) |
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02-17-2010, 10:29 PM
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#22 |
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I too have a 1990 750IL. How do you get to the battery under the electric back seat? I don't see any releases. |
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