Bmw 335i Yellow Engine Light. The best way to. Happens when driving or idle for roughly every 20 30 minutes.
The service engine light on your bmw 3 series is monitored and controlled by the engine control module or ecm. No smoke just the light saying it s overheated. The airbag light should come on as a self check with ignition and should go out shortly.
If the light stays on or comes on when driving there is a fault with the airbag and belt tensioners system.
When this light illuminates you should have your bmw serviced before attempting to manually reset the light. Click a link to learn more about each one. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. Airbag system may not be deployed in the event of an accident have vehicle checked by bmw engineer.
