There are many handheld BMW diagnostic scan tool in the market, with large size, small screen, button operation and complicated interface display, which are not conducive to customers' daily use. Therefore, ANCEL team launched the BD300 Bluetooth BMW OBD2 scanner, with compact appearance, easy to put in your pocket; touch screen operation, the size of the screen is up to you; clear and concise interface, easy to diagnose your car. BD300 is the upgrade of BD200, adding BMW special car module to the original function. If you have a BMW car and a car of other brands, we definitely recommend BD300 OBD2 scanner to give your fleet a good maintenance and repair job in an economical and efficient way. Full System Diagnostic For Bmw, Mini And Rolls-Royce Only. 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. 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. 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. 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. 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. CBS Correct: 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. Manufacturer-Level Diagnostics For Bmw Vehicle BMW Battery Registration: To put it simply, battery registration is a process of updating your vehicle with information that a brand new battery has been installed in your car. What's important, it should be performed each time you change the battery in your 2002 or newer BMW. Throttle Relearn: Throttle relearn is to use the vehicle decoder to set the initial throttle actuator and return the learning value of ECU to the initial status.Only in this way can the throttle action be more accurately controlled and adjusted to control the air intake. Oil Light Reset: When this light is on,it indicates that the car needs maintenance.After the maintenance,reset the mileage or driving time to zero,so that the maintenance light will be off and the system will start a new maintenance period. Electrical Park Brake Reset: When the brake pad is used to a certain thickness,the brake pad induction line will be worn.At this time,the brake pad induction line will send a signal to the on-board computer to prompt the replacement of the brake pad.Reset the brake pad after the replacing,otherwise the car will continue to alarm. Full OBD Level Diagnostics For All Vehicle Brands Compatible with iPhone, iPad & Android devices, The latest Bluetooth 5.0 version allows your car to seamlessly connect with your smartphone, making it easier to read data from ECU and greatly improving the user experience. Package included: 1 x ANCEL BD300 OBD2 Bluetooth Car Scanner