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20" tire size

3K views 11 replies 6 participants last post by  wheelsboutiue 
#1 · (Edited)
I'm planning to get 20" wheels for my M5
what is the correct tire size for 20"?
245/35/20 and 275/30/20?
Thanks for the input
 
#3 · (Edited)
Since your changing rims, why not take this opportunity to balance the beast.

You could go 265/30/20 on front and 275/30/20 on rear.

Buy going 275/30/20 you are increasing your rolling diameter by about 22.5 mm , almost an inch.:cheers:

Really 275/30/19 is far closer to the same rolling diameter.
 
#5 ·
Tires

When I run my 20's (not often)..

F: 255/35 ZR 20
R: 285/30 ZR 20

//MWEELS
 
#6 ·
The last time someone went 20" on this board with their M5, I think they used something crazy like 245/20/20 and 275/20/20...

This was in Germany...
 
G
#8 ·
You may want to consider an 18" 3-piece BBS wheel for the M5 that BeastPower will be selling in 4-6 weeks (BeastPower will be the exclusive seller of these BBS wheels for M5 applications). The wheel is forged (all 3 pieces) and very light; it looks similar to the LM. The rear wheels are 11" wide allowing tires up to 320mm wide! I don't have actual specs yet, but will post pics when I do.

Cheers.
 
#9 · (Edited)
BeastPower said:
You may want to consider an 18" 3-piece BBS wheel for the M5 that BeastPower will be selling in 4-6 weeks (BeastPower will be the exclusive seller of these BBS wheels for M5 applications). The wheel is forged (all 3 pieces) and very light; it looks similar to the LM. The rear wheels are 11" wide allowing tires up to 320mm wide! I don't have actual specs yet, but will post pics when I do.

Cheers.
What will they look like, what is the weight and what pricing are we talking about?

What size tires fit on a 320mm width wheel? Will the front width change as well?

So many questions, so little money! See you on the drive this weekend.

Thanks,

Mark
 
G
#12 · (Edited)
I have 20" wheels...deepends on the size of the wheels and width to determin ..tire size... and yes in germany pirelli has 255/30/20 and 285/25/20 i could never get my hand on them not allowed in us ..i have 20 and dont forget major rear modifications..must cut the hell out of the rear quarter panel ..I have 20x9 and 20x10.5 ...
 
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