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      11-13-2012, 02:19 PM   #17
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Drives: 11 E90 M3 Individual
Join Date: Mar 2006
Location: Wichita, KS

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2004 BMW M3  [4.50]
2011 BMW E90 M3  [5.00]
2013 BMW 328i  [5.00]
Originally Posted by CanAutM3 View Post
In my opinion it is not possible to determine anything from those diagrams. The exact location of the attachment points, angles of the arms relative to each other, etc... are all required to make any assessment on toe changes. Even then, it would be extremely complex. A full computer simulation would be the only way to tell besides actual measurements on the car.

I can understand why more camber is required when the suspension compresses, it is to counter the effect of body roll. To keep the tire as perpendicular as possible (or with some negative camber) relative to the road even as the body rolls.

However, from the latest info I have read, toe is better when kept constant throughout the suspension travel. Toe changes can make the car's behaviour less predictable. This is contrary to my original intuition, so will try to dig some more .
My original post was incorrectly worded...fixed.
2015 F34 328iX GT Glacier Silver
2011 E90 M3 Monte Carlo Blue
2004 E46 M3 Imola Red