2015 BMW M3, M4: 10 Things You Need to Know

6. BMW M Laptimer App

Though it ins’t really a feature, the new M Laptimer app is the first companion for M3 and M4 owners. The app can record data from BMW Apps-equipped vehicles and takes advantage of the on-board network and GPS receiver to gather data. M3 and M4 owners will be able to create comparative track sessions through the app, providing essential performance information to the drivers. The app features highly visual depictions of throttle, speed, brake input, engine RPM, fuel level and g-force.