1.Engine System: It supports full modes OBDII functions. Easily identify car problems and turn off engine lights. Help you pass emissions test and keep your car in best condition. Save gas and improve performance. 2.Transmission System: It can help before transmission problems become a big hassle. That's because most trouble codes come from your vehicle's transmission. With a transmission diagnostic tool, you can get a fault code if there is one. 3.Airbag System: The SRS (Supplemental Restraint System) is a device that deploys the airbag to protect the passenger before the second collision occurs. The BD300 OBD2 scanner can read/clear the code and turn off the airbag warning light. 4.ABS System: ABS automatically controls the braking force of the brake when the car brakes, so that the wheels do not lock and enter the state of edge rolling slip (slip rate is about 20%) to ensure the maximum grip between wheels and ground. 5.Battery Matching System: BD300 allows the scan tool to evaluate the battery charge level, monitor the short circuit current, register the battery change, activate the vehicle hibernation mode and charge the battery via the diagnostic socket. Full System Diagnostic For Bmw/For MINI/For Rolls-Royce Only. CBS Correct: For BMW's Condition Based Servicing (CBS) system actively monitors engine and other vehicle components for wear. This system monitors the oil life, cabin air filter, brake pad wear, condition of the brake fluid, spark plugs, and, with diesel engines, the diesel particulate filter. EGC Clear Adaption: Automatic gearbox are unpredictable sometimes, which can be extremely expensive if not maintained properly. BD300 can help you complete the maintenance of the transmissions. Colour:Black Material:ABS Package Contents: 1PCS x Car OBD2 Scanner