I had the same problem when I lowered my car on H&r springs, so in order to get my camber corrected to BMW specs I used above product from kmac. The company is in Australia and ships fast, I also have an extra set still new in box.
Website:
www.k-mac.com
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2014 M6 Gran Coupe, Strasse Forged 22", AMS DP, H&R Springs, Vorsteiner Carbon Aero Lip, IND body parts, side markers, carbon mirrors and spoiler, carbon diffuser.