OE Battery Switch on my M5?? - BMW M5 Forum and M6 Forums
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post #1 of 5 Old 24th May 2019, 01:09 PM Thread Starter
Trizzuth
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OE Battery Switch on my M5??

So I signed up for the "My BMW" program where you enter your VIN and then they show you vehicle information for the BMW's you've owned and you can access financial services, etc which I do not actually need.

When clicking on the "features and specs" of my car base don it's VIN, I found the following come up under "standard features." I googled "battery switch" and all I see are threads about how you can customize one in your car so you can disconnect the battery quick. Anyone have any idea what this refers to as part of the standard features? Is it like a hidden automatic battery disconnect in case the M5 gets into a wall on a track or something to prevent fire?? I have looked at the battery and I do not see any sort of switch anywhere. Was wondering if there was some kinda hidden battery kill switch in this car somewhere. Any ideas?


**Standard Features:
6-disc CD changer
Anthracite Alcantara Headliner
Battery switch
Moonroof
Navigation system
Phone preparation
Rain sensor and auto headlights
Rear side-impact airbags
Tire pressure monitor
Universal garage-door opener
rear side airbag deactivation
wood trim

New (old): 2003 E39 M5 TiAG
Old: 2001 E46 330i Steel-Grey Metallic (Totalled)
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post #2 of 5 Old 24th May 2019, 01:11 PM Thread Starter
Trizzuth
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Just as a reference, the "battery switch" is also listed as a standard feature on my previous 01 330i...

New (old): 2003 E39 M5 TiAG
Old: 2001 E46 330i Steel-Grey Metallic (Totalled)
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post #3 of 5 Old 24th May 2019, 02:41 PM
Eero H
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It is removed when car came to your dealer. Its for shipping only, so battery is not empty when car arrives.
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post #4 of 5 Old 24th May 2019, 04:37 PM
DaveinGigHarbor
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I have actually thought about putting one in my M5 as is sometimes will sit for a few weeks. Should be pretty easy, although it would have been nice having a factory setup.

2000 BMW M5, Anthracite with Heritage black leather
2008 Audi RS4 Cabriolet, Datona Gray with silver leather
2017 Chevy Silverado, my economy car!!!
1999 528iT, black/black, 212k miles. The Black Rat
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post #5 of 5 Old 31st May 2019, 06:51 PM
bdiefAZ
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I think you are better off storing the lightly driven car on a battery maintaining device, instead of disconnecting the battery. When you disconnect the battery, all systems discharge, including capacitors.

I use the battery tender:

Battery Tender is the Most Trusted and Reliable Brand Since 1965. We Design, Manufacture, and Distribute Technologically Advanced Products that Meet the Ever Changing Needs of our Worldwide Customers. | Deltran Battery Tender

No affiliation with this company...
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