Originally Posted by 808MGuy
If the dealer updates the software in the car and overwrites the tune, can you use the cable to reload the tune? Will the dealer updates for whatever they updated still hold or will it revert back to the older version?
Absolutely, that's exactly what it is used for. We have access to all the latest software revisions and our tunes will work on the very latest software.
If BMW update the software and with further password encryption, its never taken us long to bypass it on these ECU's.