Quote:
Originally Posted by Yono325ic
In my old e30 m20b25 and e36 m50b28 I have used Redline 5W40 and both engines ran a lot quieter. The tappets sounded smoother, and the engine just felt happier at high revs. This was after using mobile 5W30 at the time.
Maybe the BMW engines love the ester base stock oils. Hence why I'm asking is someone could shine some light on the syn/ester topic specific to BMW engines???
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BITOG is a good place to learn all about that stuff. Different companies blend differently so it is hard to just have a black and white syn vs ester debate or conversation. And the fact some of them are not always truthful about the base either