A while back he created this single one click install that will detect your Windows version and make the necessary modifications it will even install the correct USB drivers for your Amazon or eBay K+DCAN cable.
It's never been easier to install BMW Standard Tools thanks to Stylinmike over at Bimmerfest. Well these days of install confusion with INPA and configuration issues are over? Even the thread titled NOT SO EASY sees the OP frequently having to remote access the owner PC trying to resolve install issues for this not so difficult version. At least 10 times a week or more there are new posts about INPA. This is why every e46 owner needs a working copy of dealer level software.
Good examples are Brake Module replacements, or Steering Angle Sensor calibrations. Now tools like OBD Fusion and PA Soft might all be part of your arsenal for an e46 but there are times when neither of these will do the job.