I'm getting bit by this too, so I've been keeping an eye on possible workarounds. People are finding ways doing upgrades that BWM is mostly saying are impossibl

I'm getting bit by this too, so I've been keeping an eye on possible workarounds. People are finding ways doing upgrades that BWM is mostly saying are impossible: https://www.reddit.com/r/BMWi3/comments/of67m0/i_had_a_3g_to_4g_tcu_upgrade_to_prove_a_point/ https://www.reddit.com/r/BMWi3/comments/of67m0/i_had_a_3g_to...