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      02-21-2023, 07:32 PM   #4
ggggbmw
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Drives: 2017 M2 Manual
Join Date: Jan 2017
Location: Minnesota

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Quote:
Originally Posted by n55david View Post
They did make a few changes.. I believe better oil returns, larger deeper area around the pump pickup and it has a windage tray that the n55 doesn't have.. oh and different rod bearing setup. Whether it's enough or not, who knows but there are less failures..
So there is a windage tray in the B58. I had not heard that before.

That would help a lot. That and a revised pickup are the key things the N55 in the M2 has that the M235 does not. But sadly it is stupid expensive to retrofit.
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