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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" Staggered fitment on XDrive Fitment
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      03-31-2017, 02:26 PM   #1
F30Evolve
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20" Staggered fitment on XDrive Fitment

Guys,

Potentially looking at a good deal on OEM M5 wheels and tires (343 style I think) and was wondering if i will have fitment issues. Also, I have a 14 F30 M Sport XDrive (stock height) so I know the staggered setup will need to be spec'ed out. Just not sure how to calculate that.

Really like this style but was hesitating getting reps.

245/35/20 Front 8.5
275/30/20 Rear 10

Thanks in advance!!!
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      03-31-2017, 02:42 PM   #2
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If 8.5" front and 10" rear are correct, those are not OEM M5 wheels.

The spec of OEM 343 wheels:
F: 9x20" ET34, 265/35-20
R: 10x20" ET34, 295/30-20
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      03-31-2017, 03:29 PM   #3
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If it can help, I just put my wheel on today..

F33 on vogtland suspension

Spec :

20x9 +35 on 245-35-20
20x10.5 + 42 on 275-30-30

Perfect fit, no rubbing at all even on agressive driving!
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      03-31-2017, 04:05 PM   #4
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Thanks guys. Just spoke to the seller. They are actually 19's.

9.5 Front
10.5 Rear

No tires. He quoted me the wrong set...:

Need to confirm that they are not reps and true OEM this weekend.

In this case, it still seems like a good deal (since the original price included tires and these don't).

That said, I'm assuming these should fit nicely (5x120 72.56 bore) with the "right tire" size for the xdrive.

Again, I'm not sure how to calculate the exact spec that the rear and fronts need to have in order to keep the AWD in check. Any help on what the calculation looks like is greatly appreciated!

Thanks
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      04-01-2017, 12:55 PM   #5
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We can't tell you if they fit without having the offset informations. 9.5 up front is going to be hard to fit and as for 10.5 the offset must be very close of +42.

And since you're x-drive, the difference between the front and rear tires must be within 1%. There 1.1% difference between the 245/35/20 and 275/30/20
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      04-01-2017, 01:06 PM   #6
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Quote:
Originally Posted by bmw5858 View Post
If it can help, I just put my wheel on today..

F33 on vogtland suspension

Spec :

20x9 +35 on 245-35-20
20x10.5 + 42 on 275-30-30

Perfect fit, no rubbing at all even on agressive driving!
That F33 looks tight.
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      04-01-2017, 04:42 PM   #7
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Quote:
Originally Posted by Jeff_335 View Post
We can't tell you if they fit without having the offset informations. 9.5 up front is going to be hard to fit and as for 10.5 the offset must be very close of +42.

And since you're x-drive, the difference between the front and rear tires must be within 1%. There 1.1% difference between the 245/35/20 and 275/30/20
Thanks man! How are you calculating the 1% difference here. I understand the concept just not how the math works.
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      04-02-2017, 10:53 AM   #8
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http://tiresize.com/comparison/

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      07-07-2017, 10:31 PM   #9
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HI im new to this forum as well
i have a 2013 328i sport line..
now im using 225/45/18 all season wheel
however i got a 20 inch OEM 343m (m5/m6) rim
does it fit my car
the specs of the rim are
20x8.5 (front)
20x10(rear)
i dont know how to check ET rate
does 245/35/20 275/30/20 fit my car thanks
or some other suggestion thanks
not planning to lowerd my car..but might in the future
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