BMW owners, please note your car modern Alloy engines will not tolerate severe overheat. Due to the strength of Alloy, it will get tempered (destroyed) by overheating.
Aluminum is a light metal, with low melting point. Aluminum’s melting point is half of the cast Cast Iron’s meting point, which is beyond 1200 Celsius.
Older cast iron engines did tolerate overheating better.
In the event of overheating do yourself a favor and don’t try to drive your car home or to your favorite mechanic shop or you might need a new engine on arrival.
Our advice is, turn engine off and get a tow truck. As much as it is inconvenient, towing is still your best and less expensive alternative.