See also:

1975: the first generation - premiere as a two-door sedan with high-output four-cylinder engines
The presentation of the first BMW 3-Series in July 1975 saw BMW write a new chapter into the automotive history books. The two-door sedan wasted no time in leaving its own distinctive stamp on the ...

Opening/closing the glass sunroof andsliding visor together
Briefly press the switch twice in succession in the desired direction past the resistance point. The glass sunroof and sliding visor move together. Pressing the switch again stops the motion ...

Active seat ventilation
Switching on Press the button once for each ventilation level. The highest level is active when three LEDs are lit. Switching off Press the button longer. The LEDs go out. ...