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Q: thermostat small vent hole,on top or bottom? on 1990 BMW 750iL

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
the correct position of the thermostat
(1) Answer
Put the spring side of the thermostat towards the engine, that will be the correct way to install it.