In the case that BMW 3 Series high beam needs to start the engine, then turn on the car power and turn on the headlights, the specific steps are as follows:
Step on the BMW 3 Series brake pedal first, which is the best preparation for starting the engine.
Second, after stepping on the brake, press the start button to start the engine.
Third, after starting the engine, the instrument light of the car lights up, which proves that the whole car has been connected to the power supply.
Fourth, after the whole vehicle is electrified, press the headlight switch to light the headlights.
5. After the headlights are lit, press the high beam switch and the high beam will light up.