The Bavarian Technik Diagnostic tool is a must have for your modified BMW. It is a hardware and software tool that plugs into your Windows PC's USB port. Once plugged into the car, the tool is capable of communicating with the different system control units in the car. The Bavarian Technik Diagnostic tool accesses the electronic control units in your car to: * Read and clear diagnostic fault codes * Display shadow faults and soft faults * Display and record real-time actual values * Activate components of the car for troubleshooting * Reset service reminders * Reset condition-based service indicators * Send special commands to control units * Show ECU information * Access the latest BMW DCAN systems for 2007+ models The Enthusiast Package contains: * 1 Bavarian Technic Diagnostic cable that plugs into your computer's USB port at one end * 1 Adapter Cable with a 3 car limit Select the appropriate cable below. * Installation instructions * Future software updates *If you need the tool but need to read more than 3 cars there is a Professional Package that is available. Please call us at 267-335-4337 to inquire. *A package to also include the Round Diagnostic Connector that some BMW models use, is also available.