Thanks for this post. I just purchased a '14 i3 BEV and it has sticky iDrive controller buttons. This write up is a god send and I will be trying it this weekend.
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OMG! Born Electric 10/17/2018!
2014 I01 i3 BEV
2011 E91 328i xDRIVE TOURING | 2010 F83 X3 3.0i xDRIVE | 2006 E90 330i 6MT (Ret)
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