How to reset a BMW computer
BMWs are sophisticated cars. In fact, most of the diagnostics and displays are run by computer. When you have maintenance done on your car like an oil change, the mechanic will reset the computer to start counting again till your next service time. What if you change the oil and filter yourself?
Follow the steps below to reset a BMW computer.
Turn your ignition key to the accessory position when the lights and radio come on (before starting the car).
Press and hold the "Trip" button on the instrument panel until the red light comes on.
Press the "Trip" button a second time and hold until "Reset" appears.
Press the "Trip" button a third time. The computer is now reset.