Quote:
Originally Posted by tommay248
Street plates for track use. The ones that are only with camber settings. Unless they sent it for the wrong springs. KW springs are 60mm and when I spoke with customer service when purchasing the plates they made sure it would fit the 60mm spring.
Really hope this issue can be resolved.
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What spring rates are you using?
On race camber plates the upper spring perch stays aligned with the strut axis, so the spring is not required to bend as the front wheel steers.
On the Ground Control Street plates the upper spring perch remains aligned with the strut tower, not with the strut axis. Therefore when you steer, the spring is forced to bend as the strut articulates during steering (which it does because of a combination of the camber angle, and the interesting geometry produced by the BMW's double lower ball joint design). A stiff race spring will not like doing this. Street style springs with a large upper diameter and a small lower diameter are more accommodating in this respect.
I am using the street plates with OE springs with no issues except that the urethane top does transmit quite a bit of tire noise to the chassis. I have no strange noises from the camber plates though.