Dealing with BMW complex electronic control Units(ECU)along the entire process chain requires reliable communication and data description, The Diagnostic Tool Set consists of a set of PC-based application which support developers,engineers and technicians in all aspects of communication with ECUs and vehicles via serial communication lines. Typical applications of the BMW Diagnostic tool include:Specification of ECU;-s diagnostic data Communication development Reading and clearing error momory Flash data uploading and downloading Reading measurement values Input/output control Calibration of single ECU variables Coding of ECU variables Coding of  ECU variants CAN(controller Area Net work)bus mode emulation Models covered: 1 series E87 3 series E30ic E36ic E46ic E835series E34icE39i  53icE60icE61 6 series E63icE64 7 series E32icE38icE65icE66 8 series E3 licE52 E90 Mini R50icR52icR53 X series E53 Rolls Royce Z series E85icE52