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Click here for bootmod3 setup instructions.
This guide is maintained by bootmod3 tech support.
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There is also the unofficial guide here from one of our past customers that's great and its been posted on the forums at www.bimmerpost.com and we are sharing it below:
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Unofficial bootmod3 Setup Guide (End user forum review, not actively maintained, but has great info)
Hi, BM3 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 BM3, 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 account.
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