Quote:
Originally Posted by fourthchirpin
So they are telling you the only difference is the valving for rebound? Not the spring rates since the spring part numbers are the same?
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That is what I am interpreting from what they told me. The only difference I was able to find on their "parts approval" list on the M2 vs M4 kits was the rear helper springs have slightly different values. Also their listed "max axle load" for the two cars are as follows:
M2:
F: 970kg
R: 1080kg
M4:
F: 990kg
R: 1170kg
M2 rear springs:
M4 rear springs:
Also funny enough they actually have the M2, M3, and M4 all classed under "M3" in their documents:
Part #: 39020042 (M2 Kit)
Part #: 39020039 (M4 Kit)
I'd encourage you to ask questions from their support and see if you get someone else because I don't trust anything this guy told me.