No issues on 343 rims with 305/30/20 tires. Not sure if the M5 stock rim can take wider tire..
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2014 BMW F10 M5 ZCP | SSII / Black | MSR Stage III | MSR Intakes | RPi GTM Exhaust | RPi Catless Downpipes |RW Carbon Front Lip | RW Carbon Diffuser | RW Carbon Trunk Spoiler |
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