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      06-03-2019, 01:44 PM   #1
tyaremko
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Winter wheel and tires sizes for the M340i?

I have a 2020 M340i xDrive with OEM 19 staggered wheels. Im looking at sizing down for winter wheels and going with a square setup.

- Will 18 wheels even fit over the M Performance brakes? I believe OEM are 18x8 with a +20 offset.

- Would 18x8.5 with +20 offset wrapped in 235/45/18 or 245/40/18 work?
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      06-18-2019, 05:23 PM   #2
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Curious to know if you found a solution....I am looking to pick up winter wheels as well.
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      06-19-2019, 11:54 PM   #3
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I'm looking at 245/35/19 square if they'll fit in the front. Alternatively I may go with OEM sizes but will personally only go with Pirelli Sottozero 3 or Michelin PA4 so depends on sizes and what actually fits. For wheels I'm leaning toward VMR V810. My car arrives in August so I won't be able to sort this out much until then. I don't think there have been many test fit wheels/tire combos at this point.
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      09-03-2019, 12:56 AM   #4
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Bumping this up because I'm having a difficult time finding decent aftermarket wheel fitment with the relatively low offset OEM front wheels.

Anyone have a winter set figured out in staggered OEM spec or near to it?
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      09-06-2019, 09:12 AM   #5
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Watching this thread too.

Staggered 19's PS4S's here but I have ZTK, so brakes are an issue. AFAIK, 18's will not fit if you have ZTK. I'm close to ordering wheels & tires for winter as well. I'm new to needing aftermarket wheels, but from way too many hours of research on TireRack, I'm somewhat close to going with some 225/40 R19 tires and some Flow One Race Spec 19x8.5 ET32 wheels. Those are about as close to square-OEM as I can find for a reasonable but decent looking winter-wheel setup. But I'm not 100% on the front clearance since willtheyfit calculates like 11mm closer to the suspension, which sounds awfully tight with those big front rotors...

Last edited by Delta5; 09-06-2019 at 09:18 AM..
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      09-07-2019, 10:55 PM   #6
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From what others have said, front wheel offset is ET27 so ET32 with same size tire is only 5 mm closer. The rotor won't matter but the caliper might. There are only about 5 mm space between my 792M and standard M calipers. I think I'm going to go with an ET30 wheel but I don't know.
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      09-09-2019, 12:40 AM   #7
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I've narrowed it down to 19x8 et30 all around with 235/40/19 tires. I'm going with MSW type 73 wheels and Pirelli Sottozero 3 tires. After measuring the OEM fitment with 792M staggered, I think you could fit a square setup with offsets between 25-35 depending on tire widths.
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      09-11-2019, 01:15 PM   #8
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Quote:
Originally Posted by Transfer View Post
Bumping this up because I'm having a difficult time finding decent aftermarket wheel fitment with the relatively low offset OEM front wheels.

Anyone have a winter set figured out in staggered OEM spec or near to it?
We actually just made a special batch of 19x8.5 ET25 V710's for our friends with G20's! Shoot me a PM and we'll see what we can work out if you're still looking for a winter setup!
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