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theultimatej · 12-20-2019, 08:43 AM

Been searching all over the forums, but can't find exactly what I'm looking for. So I'm seeking the help of more educated people then me on purchasing some 21" Vorsteiner V-FF 103s for a X5M. Trying to figure out what the maximum size I can put on without any fitment issues. Just tuned it to Stage 2+ and was hoping to get some more rubber on the ground. Still want to keep Michelin Pilot Super Sports tires or AS3.

Front: 10x21 ET 40 has anyone ran 10.5?
Rear: 12x21 ET 38

Would 12 fit with that offset? I know BMW had an OEM tire spec at 11.5x21 ET 38

Thanks all.

12-20-2019, 08:43 AM	#1
theultimatej New Member 5 Rep 11 Posts Drives: 22 F90 M5 Comp./ 22 X5M Comp. Join Date: Jan 2012 Location: Atlanta, GA iTrader: (0)	Vorsteiner V-FF 103 Fitment Questions Been searching all over the forums, but can't find exactly what I'm looking for. So I'm seeking the help of more educated people then me on purchasing some 21" Vorsteiner V-FF 103s for a X5M. Trying to figure out what the maximum size I can put on without any fitment issues. Just tuned it to Stage 2+ and was hoping to get some more rubber on the ground. Still want to keep Michelin Pilot Super Sports tires or AS3. Front: 10x21 ET 40 has anyone ran 10.5? Rear: 12x21 ET 38 Would 12 fit with that offset? I know BMW had an OEM tire spec at 11.5x21 ET 38 Thanks all.
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