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| 01-26-2024, 05:40 AM | #1 |
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Second Lieutenant
 
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What are the potential risks with disconnecting the battery? Any precautions to be taken? I have read too many horror stories involving disconnection of the battery that have resulted in dead i-drive, fried FRM etc. I need to disconnect the battery on my M3 E90 to remove the airbag and steering wheel and it shouldn’t take more than 30 minutes. Any guidance is highly appreciated.
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2010 E90 M3
2013 F31 328i Touring M Performance |
| 01-26-2024, 01:10 PM | #3 |
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Major
 
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Drives: 2009 E92 M3 Dakar Yellow II
Join Date: Oct 2021
Location: Edmonds, WA
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PO of my car is a BMW/Mini master mechanic and has told me he had one case of an FRM frying as he reconnected the battery to turn the car over to the customer. He claims he has heard of it happening a lot but only experienced it once.
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Appreciate
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Mr. C4241.00 |
| 01-26-2024, 05:19 PM | #4 |
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First Lieutenant
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Drives: E53 X5, E83 X3, E93 M3
Join Date: Nov 2022
Location: PNW
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A quick search does reveal a potential service bulletin.
https://bimmerscan.com/wp-content/up.../B012016-1.pdf
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2008 BMW M3 E93 MT
R135 └┼┼┼ ..246 |
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