Quote:
Originally Posted by JD6
The best way of dealing with intermittent faults of this type is to film them as they happen. If it really is caused by hot weather you can imagine how tricky it will be to demonstrate that to a dealer otherwise.
Does the display show NO SIGNAL in red text for a while?
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Yeah, definitely do this.
I had to do it a while ago with a e93 320 where all of a sudden it'd go from running perfectly, to chugging like it was on 3 cylinders, then it'd conk out, dash light up like a christmas tree, auto-restart, conk out (rinse and repeat for a while), stumble to life, splutter on 3 cylinders for a while, conk out, etc.
Turn it off and on and it was all fine like nothing had happened - and even more weirdly, wouldn't register a single fault code!
Anyway, chances are unless there's a fault code, the dealer won't know what to do with it anyway, but it's very useful to take a video to show them in such instances, so you can demonstrate there is a problem when "computer says no"