Quote:
Originally Posted by jono  i was told by a factory BMW tech that the engine wont cool proparly with no thermo i think from memery that most of the flow will be just through the radiator and not much coolant through the block have you tested the thermo in a jug of hot water to see that it opens correctly |
makes perfect sense, when the thermo opens the temperature wants to equalize in the system since there is such a huge difference. Without it the thermo opening is huge so most of the water goes out to the radiator