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Jasoneo5 · 12-03-2018, 07:58 PM

(moving to appropriate forum) All,

F10 M5 guys are putting R888R 315's on their factory 10" rear wheels, most showing great results. Since our wheels are 10.5" (12.5mm wider), would one see a benefit from going R888R 325/30/20 (instead of 315)?

For comparison, my current 305 SC2's are have a load rating of 103y. 315 R888R's are 101Y, and 325's are 102Y - thus wouldn't the bulge be similar across all 3 widths?

12-03-2018, 07:58 PM	#1
Jasoneo5 Second Lieutenant 39 Rep 294 Posts Drives: 997 TTs, GS-F, RS6, M6 GC-sold Join Date: Dec 2013 Location: SF Bay area iTrader: (3)	R888R 315 vs 325 width (moving to appropriate forum) All, F10 M5 guys are putting R888R 315's on their factory 10" rear wheels, most showing great results. Since our wheels are 10.5" (12.5mm wider), would one see a benefit from going R888R 325/30/20 (instead of 315)? For comparison, my current 305 SC2's are have a load rating of 103y. 315 R888R's are 101Y, and 325's are 102Y - thus wouldn't the bulge be similar across all 3 widths?
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