Quote:
Originally Posted by Mr.Smartepants
This just happened to me last Friday on the way home from work. 5 miles from home the "low coolant" caution, then 1 minute later the "engine temp high" caution, immediately followed by the "engine overheated pull over right f'ing now" warning. Oil temp was still below normal operating temp so I limped home and shut it off. After an hour, I checked both expansion tanks and they were bone dry.
...
So, do I NEED to pay BMW to do the cooling system vacuum treatment? Or am I safe to drive it as-is? The engine oil temp gauge reads exactly the same as before.
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I just had this exact problem, I was in the middle of the highway in the middle of a rainstorm 10 minutes from home, so I kept driving even though it fluctuated between the yellow and red warnings. The temp gauge showed normal about 100C the whole time! Got home quick as I could and the engine was hot and slightly smoking...
I already read about this a couple of months ago, and already bought the part but was too busy to change it! Now I may have a cooked engine
Mr Smartepants, how much coolant did you put in? Were you able to use the car after that or did you end up vacuum flushing the system?