When used for calibration development, this interface marries to the ECM during the first ECM flash and further calibration development can only be performed on that ECM. When used for vehicle diagnostics and data logging, this interface can be used on any compatible vehicle, even if already married to an ECM. Mastertune BT Interface communicates to the PC via a wireless Bluetooth connection. Also includes a support loop to attach the interface to the bike via a wire tie. Red is Compatible with the following Harley-Davidson Motorcycles: Touring models 2021-present Softail models 2021-present RevMax models 2021-present(Sportster & PanAm) Gray is Compatible with the following Delphi equipped Harley-Davidson Motorcycles: Touring models 2014-2020 Softail models 2011-2020 XL Sportster models 2014-2020 Street models 2015-2020 Dyna models 2012-2017 TBD is Compatible with the following Delphi equipped Harley-Davidson Motorcycles: Touring models 2002-2013 Softail models 2001-2011 XL Sportster models 2007-2013 V-Rod models 2002-2017 Dyna models 2004-2011 Works with the following MasterTune software products: MasterTune BT DataMaster BT VTune BT Flight Recorder
