This post is absolutely amazing! I just picked up a 2013 328i and am very interesting in upgrading the braking system. Is there a particular resource for sourcing the retrofit kit spelled out by the RealOEM.com website or is it best to take this number (in my case 34112221445) to my local BMW dealership to obtain an estimate? Sorry for all the questions, this is my first BMW.
Thanks,
Shawn
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