Quote:
Originally Posted by Julian2485
What spring rates would you guys recommend for xi for street 4k/13k maybe ?
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The Eibach Pro kit for the e91 is 348lbs/in(?) in the front and 479lbs/in in the rear.
It's not enough for track use but almost ideal on the street.
I can get you my corner weights so you can do the math for the other chassis.
I'm winning to bet that the e92 front weights are not far off mine, so it's only the rear springs that would matter.
Having had the Pros I would say that a better spring is the Eibach ERS linear springs, but they are a bit more $$$