Here's the info on UNLOCKING the instrument cluster to access the 21 OBC TESTs...you can see the instructions in the pic below...and click the link to see the definition of all the 21 TESTs:

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• 2015 f06 650ix GC (Moonstone exterior/Cohiba brown Merino Leather interior)
• 2014 f15 X5 50i (Space Gray exterior/Mocha Nappa Leather interior)