Hello. Auto repair technician by trade here. Lead diagnostic tech at a busy shop, specializing in BMW/MB/AUDI/VW but I work on many other makes as well. New to tuning, well on the automotive side at least, as I do have some experience with TunerPro and Megalog with Buell/Harley tuning in years past. Looking to learn, any direction/guides/must reads would be greatly appreciated. Thanks!