you probly have a vaccum leak they are hard to find but make a very noticable difference when you find them. touch all small hoses untill you find something that changes
the radio/cd player in my '99 BMW 318i is intermittent and the air bag light keeps going on and off....
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the radio/cd player in my '99 BMW 318i is intermittent and the air bag light keeps going on and off. this occurs at any randomly in all driving or even idling situations