another tires size thread

matthewbetcher · 07-14-2022, 01:44 PM

I am currently running a TSW 20x8.5 and 20x10 and wondering what the optimal size tires would be.

I currently have the stock 245/45/20 and 275/40/20 on but they seem just a little stretched for my liking. Nothing too bad, but wondering if there is a better size as I need to replace them very soon.

Going through the posts, there are conflicting opinions. I'm seeing this as a potential option

255/45/20
295/40/20

But I've also seen mentioned

255/40/20
295/35/20

mentioned.

I'm a bit concerned about the 295 on a 10" rim.

Any thoughts? Any other sizes / combinations I should be looking at?

Thanks for the help here!

hooligan_G01 · 07-15-2022, 07:55 AM

What tires are you considering? Manufacturers publish acceptable wheel widths for their tires by size.

New X3 M's are coming with 255s front and 265s rear, I think? As long as the overall diameter is within 1% between the front and the rear, you're within spec.

AllBlackBimmer · 07-15-2022, 01:33 PM

Both those tires combos will work…
One set the overall ratio is slightly smaller then OR and the other is slightly larger than OE… but since both sets of tires are less then 1% difference between each other they will work with the awd system

295 on a 10 may work but is not ideal

07-14-2022, 01:44 PM	#1
matthewbetcher New Member 5 Rep 12 Posts Drives: 2018 X3 M40i Join Date: Oct 2021 Location: Los Angeles / Redstone, CO iTrader: (0)	another tires size thread - 20" TSW I am currently running a TSW 20x8.5 and 20x10 and wondering what the optimal size tires would be. I currently have the stock 245/45/20 and 275/40/20 on but they seem just a little stretched for my liking. Nothing too bad, but wondering if there is a better size as I need to replace them very soon. Going through the posts, there are conflicting opinions. I'm seeing this as a potential option 255/45/20 295/40/20 But I've also seen mentioned 255/40/20 295/35/20 mentioned. I'm a bit concerned about the 295 on a 10" rim. Any thoughts? Any other sizes / combinations I should be looking at? Thanks for the help here!
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07-15-2022, 07:55 AM	#2
hooligan_G01 Space Shuttle Door Gunner 6430 Rep 5,309 Posts Drives: 2022 X3 M40i BG/Taco Red Join Date: Nov 2017 Location: Back in the Mitten iTrader: (1)	What tires are you considering? Manufacturers publish acceptable wheel widths for their tires by size. New X3 M's are coming with 255s front and 265s rear, I think? As long as the overall diameter is within 1% between the front and the rear, you're within spec.
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07-15-2022, 01:33 PM	#3
AllBlackBimmer Colonel 814 Rep 2,868 Posts Drives: 2019 X3 m40i Join Date: Aug 2011 Location: USA iTrader: (-1)	Both those tires combos will work… One set the overall ratio is slightly smaller then OR and the other is slightly larger than OE… but since both sets of tires are less then 1% difference between each other they will work with the awd system 295 on a 10 may work but is not ideal
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