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Unofficial bootmod3 Setup Guide (End user forum review, not actively maintained, but has great info)
Hi, BM3 bootmod3 OBD Unlock and Flash for the BMW F series is officially out, I just flashed bootmod3 (BM3) using proTUNING Freaks' (PTF) new OBD Unlock feature! It was a quick and flawless process! Here are the quick and easy steps to get your BMW tuned within minutes without removing the DME 
If you haven't already purchased BM3bootmod3, go here: https://www.protuningfreaks.com/coll.../bootmod3-menu
After purchasing, PTF will email you an Activation Key which will be used for activating your BM3 bootmod3 account.
0 - Ensure any firewall and network protection is turned off as it will interfere with flashing. This includes:
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