New BCM arrived lightning fast. Maybe the supply chains aren’t so bad after all.
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Still waiting on a new fob among other things. The gist of the back-door BCM install without dealer involvement is as follows. In addition to programming the new BCM with an altered backup file, you program a new key and the BCM gets married to the RF hub in the process.
Huge props to Jimmy07 for figuring that out along with basically everything else. Frankly none of this happens without him. If you want to add stuff after the fact, especially oddball or highly involved projects like this, he’s the man