Quote:
Originally Posted by Ateam
Wow talk about complex! Can someone explain to me why they do not require high viscosty oil as of m engines past? Why did the prior m engines require high viscosity? I never understood this difference and now with this m5 engine its not like it is running any cooler or slower and yet does not require the special M oil of past.?
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I bet it's because of how they designed the bottom end of the motor especially the bearings.