Quote:
Originally Posted by ga41
Hi guys, quick question. Would 17x9 ET30 fit all around on Z4M with Stoptech's 355mm six piston kit without spacers? Im thinking that size for track wheels and same 255 width tires on all corners. Opinions?
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Unfortunately the 17x9" ET30 ARC-8's would require a 12mm spacer in order to clear the Stoptech ST-60 355mm BBK due to the concavity of the spokes and the size of the caliper, along with the location of the caliper due to wheel hub. The ST-40 caliper would clear (though a very tight fit) due to the smaller caliper size. The 18" wheels would be the better option for your car with the ST-60 BBK.