e30 m3 FCA and e36 m3 FCA question

[hooken m]

hey guys whats going on, i had a quick question ive been trying to figure out for a while. i know that you can use either an e30 m3 FCA or an e36 M3 FCA. now my question is whats the difference? in the front im using e36 m3 bilsteins, h&r sports, e30 IE camber plates, and thr lolipops. can i use either e30 m FCA or does it have to be e36 m? or it doesnt matter? thx

[hooken m]

anyone?

[fronton]

If FCA is front control arm, yes, you can use either. The difference is the angle which translates into castor differences. Late model e36 M3 control arms have a shallower angle increasing castor angle by pushing the wheel forward about 2cm.

[hooken m]

Alright thx for info, I shouldn't have any wheel fitment issues with the e30 m3 control arm?

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[MR 325]

E30 M3 control arms use the same geometry as standard E30 arms.

If you're doing an E36 based 5 lug you need E36 M3 arms.

[hooken m]

Ok Thx alot man, appreciate it

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[MR 325]

I should add that you need 96+ E36 M3 arms. The 95 arms are different.