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      02-28-2020, 01:06 PM   #31
BS_CS
No Armrest club
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Drives: 2018 BMW M3 CS / 2014 BMW X5
Join Date: Jul 2011
Location: San Diego

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Quote:
Originally Posted by SD ///M4 View Post
I'm curious why no one has mentioned the additional unsprung weight of wheel spacers. People try to find lighter wheels but then add spacers which adds more weight. Disclaimer: I've never run spacers. "Back in the day" spacers were thought to contribute to increased strain and wear on the wheel bearings. Educate me.
Though the point you're making is correct, the OP is asking about a 12mm spacer which weights what? 3/4lbs maybe 1lbs at most?? I too thought exactly as you did until you factor in the actual weight of a spacer because it's certainly not the geometry of the suspension being altered to change the feel. If this was a 25mm+ spacer that weighs a considerable amount, sure, we'd likely agree with that statement but that's not the case here with a 12mm. This is for sure a placebo effect kind of situation.
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