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      10-08-2020, 04:45 PM   #5
JDE92M3
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Drives: 2016 YMB M3
Join Date: Sep 2013
Location: Illinois

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Quote:
Originally Posted by KCTiger View Post
I think OP has decided on diameter. I think his primary question is regarding offsets if he runs tires larger than stock, i.e. 285/45s and 325/40s (or perhaps 275/45s and 315/40s).

One comment to OP...you might consider 11.5" width wheels in the rear. BC prefers this I think based on comments from other forum members, such as classic_erik.
I like and want 21” wheels, don’t want 22” or 20”. I love the ride of my OEM 20” wheels, but they look to small on the car. Ahh the dilemma lol. I’m happy to use the suggested tire sizes BC offered. But I’m not truly happy with tire options. The Michelin PSS running stock on 21” OEM wheels are not that smooth. So I saw the post of the person running a larger Michelin PS4 SUV tires on his 21” OEM wheels. He ran 275/45/21 and 315/40/21 and comfort and look were on point. So my question is can I run these tires on the X5M with similar to OEM size or wider with some custom offsets? I don’t want to use spacers. Tell me how it could be done, and I can see if it makes sense. Also, the tire options in this size is amazing as well!

Currently BC Forged and I got a little thicker profile worked out. But wondering if we can cram in a little more.
21x9.5" +20 front 275/40/21
21x11.0" +13 rear 315/35/21

TLR: What custom wheel spec would it take to fit 275/45/21 in front and 315/40/21 in rear?
Appreciate 0