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      07-21-2018, 05:05 PM   #3
CO_Steve
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Drives: '15 M235 Dinan S1 MT Slicktop
Join Date: Apr 2017
Location: Colorado

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Quote:
Originally Posted by NISFAN View Post
Not upgraded my 2 series, but I fitted the 235/40 rear ARB on my F30. Maybe a great improvement going from 13mm to 15mm. I expect the 2 series would benefit the same, just to give a little more rear stiffness.

I wouldn't go very stiff though.
That was my intention but there are only a few choices. Both the Dinan and Hotchkis say they are 100% stiffer than stock in the rear. Not calibrated on if that's too much. For your 13 to 15 change for a solid bar that would be 50% stiffer (approx).
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