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2017 M3 Wheel & Tire Size for Track

Discussion in 'Member Introductions' started by DGDGDG, Jan 24, 2018.

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    I have a 2017 M3 with the Competition package and 20" wheels with 265/30 ZR20 Front and 285/30 ZR20 Rear. I want to buy a set of Track tires & wheels for Track Day events (not racing) and would like to hear recommendations on wheel and tire sizes. Are 18" x 10" wheels all around the better choice, or 19" wheels? Will 18" x 10" wheels fit the front?
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    Did you talk to Tire Rack? Off topic do you play acoustic?
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    Along with Tire Rack, peruse the apex wheels website, they're good to talk to for checking fitment - https://www.apexraceparts.com/shop-by-vehicle/bmw/f8x-m3-m4.html

    Smaller-size tires presumably should be less expensive, but you'll need the size for whatever wheels clear your brakes. If you run a square setup, that should help reduce the inherent understeer of a staggered setup, plus you can rotate around all 4 corners to help even out the wear, particularly helpful with the typical wear on the fronts. If you plan to drive to & from on them vs. toting them along & changing wheels @ the track, then you'll probably want something with some water-dispersion capability; look at ultra-high-performance summer tires, or r-comps that have some tread pattern to them vs. slicks, although they'll all wear down to be slicks anyway in time. Risk of hydroplaning is obviously a problem on tires with little tread depth, so swapping tires @ the event of course ensures you're on something suitable for the road when driving to/from.

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