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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications tuned 2020 M340, OTA software upgrade

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      11-19-2020, 03:24 PM   #1
SpiveyCJ
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tuned 2020 M340, OTA software upgrade

I'm sure everyone knows upgrading your software will overwrite a tune. I have disabled auto remote software upgrade in the BMW connected phone app, is there anything else we can do to ensure software doesn't get upgraded without my approval?

Got the car in May and just recently started seeing notifications on dash
and in app saying new software is available.

thanks
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      11-19-2020, 06:12 PM   #2
Fuel-It!
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I think they can only overwrite it and lock the ECU by doing a dealer service update. So just avoid the dealer.
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      11-20-2020, 02:05 PM   #3
SpiveyCJ
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I thought ECU can be upgraded and therefore overwrite tune thru OTA upgrade? If not, what's in the OTA software upgrade?
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