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      10-16-2020, 12:10 AM   #21
tsk94
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Drives: E92 M3, E82 128i, F82 M4, E36
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Location: Calgary

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Quote:
Originally Posted by Bartledoo View Post
I'm running stock. Most of the rear suspension arms are spherically mounted no? Are real trailing arms not? Honestly only looked at the stuff around the spindle.

Also, the toe actually changes in the outward direction under squat. Somebody kept posting the opposite many times in various threads, and Malek finally confirmed that it was not true. His post is below.

"The suspension is designed to reduce toe in during squat and will increase toe in when weight is transferred off the back end.

Meaning if you have 3/32nd inch static toe in, during squat the toe will decrease to lets say arbitrarily 1/32nd-1/16th. It will NOT increase toe while squatting.

Malek"

I've also seen it first hand when I lowered the rear and then got a fresh alignment. The toe was actually out slightly in the rear, after lowering the rear. One one side it was lowered enough to gain -.3 degrees of camber and the toe changed outward over a mm on that side.
Interesting, thanks for clarifying the toe change.

I don't believe any of the rear suspension arms are 'spherically mounted' as the stock rear arms are still a rubberized bushing with a steel insert. I suspect any toe change that happens with the stock arms is eliminated when the rear arms are changed to a true spherical/ball-joint arm. And no the trailing arms are not - it's a rubber bushing (a fairly stiff one) that can be upgraded to solid as well where it mounts to the spindle and where it mounts to the subframe.
Appreciate 0