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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Wheels and Tires -- Sponsored by The Tire Rack > 20" 405M Square Tire Setup (xDrive) Question
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      03-13-2021, 05:32 PM   #1
Kooner23
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20" 405M Square Tire Setup (xDrive) Question

Looking to run 245/35/20 square on my 405Ms. The overall diameter will change to 26.8" from 26". Alternatively thinking of doing a 235/35/20 & 265/30/20. Doing this to get a slightly thicker sidewall on the tires. I am also going to be installing lowering springs this summer (ACS or Eibachs).

Any issues running this size, and is anyone currently running the 405m or 624m with this size? Will the front rub the spring perch or the fender once lowered? The car is a 2014 335i X drive.

405M Wheel specs
Front: 8"J x 20" Offset 36
Rear: 8.5"J x 20" Offset 47

Last edited by Kooner23; 03-13-2021 at 08:55 PM..
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      03-15-2021, 02:32 PM   #2
djacinto
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Quote:
Originally Posted by Kooner23 View Post
Looking to run 245/35/20 square on my 405Ms. The overall diameter will change to 26.8" from 26". Alternatively thinking of doing a 235/35/20 & 265/30/20. Doing this to get a slightly thicker sidewall on the tires. I am also going to be installing lowering springs this summer (ACS or Eibachs).

Any issues running this size, and is anyone currently running the 405m or 624m with this size? Will the front rub the spring perch or the fender once lowered? The car is a 2014 335i X drive.

405M Wheel specs
Front: 8"J x 20" Offset 36
Rear: 8.5"J x 20" Offset 47
Got the exact answer for you buddy

2014 f32 xdrive on square 255/35/20 624m's.

Fits absolutely perfect except for the slightest of rubbing on full lock

Other than that I really love the look and fills my wheel wells much better than my old 17's
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      03-16-2021, 12:34 AM   #3
Kooner23
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Quote:
Originally Posted by djacinto View Post
Got the exact answer for you buddy

2014 f32 xdrive on square 255/35/20 624m's.

Fits absolutely perfect except for the slightest of rubbing on full lock

Other than that I really love the look and fills my wheel wells much better than my old 17's
Any pictures of your f32 with that setup??
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      03-16-2021, 09:18 AM   #4
djacinto
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Quote:
Originally Posted by Kooner23 View Post
Quote:
Originally Posted by djacinto View Post
Got the exact answer for you buddy

2014 f32 xdrive on square 255/35/20 624m's.

Fits absolutely perfect except for the slightest of rubbing on full lock

Other than that I really love the look and fills my wheel wells much better than my old 17's
Any pictures of your f32 with that setup??
Yes let me add them to Imgur and I'll post a link. I don't have very close up shots as I'm getting them repainted as I fixed up some curb rash this past week so new shots will come later as well

Here's the pics I have now:

View post on imgur.com
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      03-31-2021, 11:19 PM   #5
Kooner23
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Decided to stick with the standard tire sizing of the 225 & 255 setup for now. Definitely not as stretched as the OEM Pirelli run-flats tires were.
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      04-01-2021, 08:54 AM   #6
djacinto
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Originally Posted by Kooner23 View Post
Decided to stick with the standard tire sizing of the 225 & 255 setup for now. Definitely not as stretched as the OEM Pirelli run-flats tires were.
My thoughts exactly, they look fantastic!
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