Quote:
Originally Posted by SlickGT1
OE, as in from BMW at openroad.
I didn't overfill, but this is only my 4th bmw, so what do I know.
I also, did not do the radiator. Because I find that quite silly.
Again, our system cannot hold 2 bars, with brand new parts. All that plastic, especially hot, will not be able to make the cap relieve the pressure. Something else will explode first. This is the same reason BMW issued all the e30 guys 1.4 bar caps after they made a big enough stink about it. All the new BMWs also do not have the 2.0 cap.
If someone is willing to come by my garage, I will put 2 bars of air into your system, and prove a point. Even my coolant pressure tester, I struggle to pump up past 1.6 -1.7 bar. At 1.6, all the hoses feel like rocks. Not normal. Your coolant system does not operate at this pressure.
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Actually bmw issued 1.4 caps to e30 owners because the old caps were failing and sticking close. When they stuck close, it would sometimes blow out a valve that would gush hot coolant into the pass footwell. So going back to my original statement, that the system works fine, IF everything is up to par. If you have a cap that is stuck, then your system is not up to par. With a stuck cap, at what pressure did the valve finally blow???
Who knows slick, maybe your 2bar cap was stuck too causing you problems?