Originally Posted by ChristopherM3

BMW of Nashville did mine. They are an authorized DINAN installer. There aren't too many out there as far as dealers (that's what I've been told). I drove about 175 miles to have mine done - I live in Knoxville............very pleased with it and well worth it. Plus, everything is still covered under warranty because it's DINAN. It feels like it has 50 more hp - especially in SPORT mode.......