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      05-15-2019, 12:04 PM   #118
M 4 FUN
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Drives: BMW 320, BMW M4 competiti
Join Date: Aug 2016
Location: Sweden

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H&R VTF adj. sleeve kit values.

Hi everyone. Johnny from Sweden here. I run the H&R adjustable VTF-kit on my 2017 M4 comp pack. ( Variable Tieferlegung Federn) .
My dealer contacted H&R by my request to get the springrates so here they are:Rear is 253lb/in, or 105N/mm, 28% softer than stock comp pack.
Front is 39 lb/in, or 45 N/mm, 18% stiffer than stock comp pack.
I am very satisfyed with this kit and as the M4 is a bit tail happy and loose grip quite abruptly i feel that a bit slightly more built in understeer is not bad, especially on a tuned car.


Johnny Lehti

Last edited by M 4 FUN; 10-03-2019 at 06:06 PM..