Quote:
Originally Posted by rob_h10
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.
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Did you purchase through your dealer. I think you might need a different p/n for the front springs if you have a manual or auto. Any info??