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      05-14-2019, 12:35 PM   #74
r33_RGSport
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Drives: G09 XM, G05 X5 40, 991.2 T
Join Date: Oct 2009
Location: So. Cal

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Quote:
Originally Posted by dardeca View Post
So a realignment is necessary after the spring change?
Quote:
Originally Posted by Vic55 View Post
100%

You are changing the geometry of the oem specs and will need to reset the camber, caster, and toe. Most shops will have the OEM specs and can get the car back to range. If you dont do this you will possible have excessive tire wear and handling issues plus other issues like steering pull.
It would depends on how low you are going.
1" or less usually is not a big deal.
But, again, it will depending on the suspension setup.
In this case, the suspension design is double wishbone / multilink.
Where the alignment doesn't change much.

Camber, usually on double wishbone (front on F90 M5) is not adjustable.
While on the rear, multilink, is adjustable both toe and camber.

On McPherson suspension design though, like 2/3/4 series (include M), there is camber adjustment on the front.

What kills the tire is mainly the toe setting.
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