Quote:
Originally Posted by dparm
Do you have proof of that? BMW recommends against using oil additives. In fact, most OEMs recommend against it.
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You can google the product. There is a lot of research on it. In my own experience it seems it has made my vehicles run quieter at all times and smoother at high rpms. Also some small benefits in mpg. Seems like a good product but I have always used additives in my engines. Trying to get every extra HP I can lol!