North American Motoring

Stock Problems/Issues Discussions related to warranty related issues and repairs, or other problems with the OEM parts and software for MINI Cooper (R50), Cabrio (R52), and Cooper S (R53) MINIs.

Battery Master Switch?

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Old 03-27-2017, 01:36 PM
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Battery Master Switch?
When I do the VIN decode on my MCS it lists "Battery Master Switch". What/where would I expect to find this switch? Haven't seen anything of it yet. Thanks!
 
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Old 03-28-2017, 06:03 PM
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Thinking this is the red box that is to the right of the positive battery terminal in the trunk.
 
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Old 03-30-2017, 03:06 PM
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Yeap, that's it.
 
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Old 03-30-2017, 05:32 PM
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Thanks guys, found it. Now all I need to do is figure out how the switch works.
 
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Old 03-30-2017, 07:24 PM
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I think that switch is what cuts power to the engine in an accident. When I crashed my first R53, it wouldn't restart, I think because of that safety feature.
 
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Old 03-30-2017, 07:55 PM
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Originally Posted by Racingguy04
I think that switch is what cuts power to the engine in an accident. When I crashed my first R53, it wouldn't restart, I think because of that safety feature.
I was thinking the same. It's not exactly a "switch", but an explosive that disconnects the battery in an accident: https://www.northamericanmotoring.co...ml#post3717224

What did the VIN decoder say exactly? Is it associated with an option number?
 
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