I'm always surprisingly puzzled at how little (or not at all) the BMW techs at the dealerships I've dealt with know about the software tools we (DIY community) know about and use - INPA, NCSExpert etc. They seem to only know ISTA, DIS - the regular official dealer software. But all that factory level software we're using....nada. Or may be they just pretend not to know about them because these are all "illegal" software not meant for the public....

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'05 E53 X5 4.4i, '97 E39 528, '07 E92 335i, '16 F86 X6M.