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      12-16-2012, 04:15 PM   #163
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Drives: E92 335i
Join Date: Oct 2009
Location: Hong Kong

Posts: 523
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Originally Posted by rob_h10 View Post
I just purchased the M Performance suspension retrofit for my 2013 f30 335i sportline.. you should/can re-use your ARB's (front & rear).. the springs need to be upgraded. Front coil PN: 31-33-6-860-630 and rear coil PN: 33-53-6-860-621.

Yes bro., u r rite too. I am so doubt that if just the shocks and F & R sway bars upgraded but still using the same spring, your car won't be have the best suspension's performance especially on present Sport package, I hate the sound and feeling of stock spring, feeling I am bouncing on even on a slightly unflat or bumpy road
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