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Technical Topics Wheels and Tires can i run 245/40/20F and 275/35/20R

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      06-01-2021, 05:59 PM   #1
Barry9020
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can i run 245/40/20F and 275/35/20R

so my lease on my g30 is ending soon and i was thinking about jumping into a g20 m340i and i was wondering if my setup from my g30 would fit the m340i xdrive. Im currently running 20x9 25et in the front and 20x10 33et in the rear with a 245/40/20F nd 275/35/20R tire setup. would i be able to run this setup on the m340i xdrive or would i run into some trouble?
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      06-02-2021, 12:45 PM   #2
ultrared93
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Quote:
Originally Posted by Barry9020 View Post
so my lease on my g30 is ending soon and i was thinking about jumping into a g20 m340i and i was wondering if my setup from my g30 would fit the m340i xdrive. Im currently running 20x9 25et in the front and 20x10 33et in the rear with a 245/40/20F nd 275/35/20R tire setup. would i be able to run this setup on the m340i xdrive or would i run into some trouble?
According to TireSize.com, the diameter (and mathematically related circumference and revs/mile) are withing the 1% difference limit front to back for an xdrive vehicle. As far as offsets are concerned, their wheel offset calculator should give you an idea where the potential "rubs" might occur.

Last edited by ultrared93; 06-02-2021 at 12:52 PM.. Reason: clarity
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      06-02-2021, 07:02 PM   #3
Barry9020
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ultrared93 so I should be good with that tire setup then? I was going through the aftermarket wheel and tires page and I seen a forums member with the same wheel width & offset so it seems I should be good on that end, but as far as the tires are concerned I don't really seem to see a lot of g20 members running the 245/275 tire setup. Also the reason I'm running a thicker tire (40 & 35) is to help with all these potholes we have in NY
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      06-03-2021, 03:56 AM   #4
franky818
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I got 265 and 235 I beleive
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      06-03-2021, 10:16 PM   #5
ultrared93
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Quote:
Originally Posted by Barry9020 View Post
ultrared93 so I should be good with that tire setup then? I was going through the aftermarket wheel and tires page and I seen a forums member with the same wheel width & offset so it seems I should be good on that end, but as far as the tires are concerned I don't really seem to see a lot of g20 members running the 245/275 tire setup. Also the reason I'm running a thicker tire (40 & 35) is to help with all these potholes we have in NY
You might want to touch base with member jeegunkim. In another thread, he posted "I have an xDrive with staggered setup running 10.5 with 275 tires on the rear. Car is also lowered on Dinan. No rubbing issues." Also a NY resident.
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