Originally Posted by BMWs
So I took my X3 in for annual service and they did a software update which wiped out all my coding. I checked and most of my caf files are now not readable. Do I just need to download the newest version of all caf files (48.3)? It's been almost a year since I coded my vehicle so I imagine I'm on version 46.3 or so.
48.3 should work with your esys 3.18.4 on your x3 only. 48.3 will not work with f30 due to new security feature in the data file