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BMW 5-Series (G30) Forum Wheels | Tires | Suspension | Brakes | Chassis Advice on tire size

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      09-18-2019, 02:16 AM   #1
deepat04
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Advice on tire size

I have ordered a set of 20x9 25offset 20x10.5 38 offset wheels

I would like to run a 285 in the rear or if possible a 295.

what are the pros cons of running the wider 295 vs the 285 and what would be the recommended front tire size?

Thank you in advance
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      09-18-2019, 06:30 PM   #2
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Quote:
Originally Posted by deepat04 View Post
I have ordered a set of 20x9 25offset 20x10.5 38 offset wheels
I run 20x9 ET25 and 20x10.5 ET35 with 245/35/20 and 265/30/20 because I am lowered. You could easily run 295 or maybe 305 on the rears if you are not lowered.
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      09-18-2019, 09:19 PM   #3
deepat04
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Quote:
Originally Posted by Dobie Dog View Post
I run 20x9 ET25 and 20x10.5 ET35 with 245/35/20 and 265/30/20 because I am lowered. You could easily run 295 or maybe 305 on the rears if you are not lowered.
I am lowered on HR Springs..

I would at minimum like to run 285 if possible but 295 would be ideal..

Your Car looks great! Well done
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      09-18-2019, 10:04 PM   #4
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295's would look better than 275's the car comes with. I put 10mm in front and 12mm spacers on rear and I'm still looking for wheel well to be filled a little more in rear
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      09-19-2019, 12:26 PM   #5
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@AddyDaddy- do you have 295s on the rear of your car?
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      09-19-2019, 06:41 PM   #6
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Quote:
Originally Posted by dalia6 View Post
@AddyDaddy- do you have 295s on the rear of your car?
No, stock 275's with 12mm spacers. I want to go to 295's since it's a minor increase in width but will still have a visual difference
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      09-19-2019, 10:31 PM   #7
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Quote:
Originally Posted by Dobie Dog View Post
I run 20x9 ET25 and 20x10.5 ET35 with 245/35/20 and 265/30/20 because I am lowered. You could easily run 295 or maybe 305 on the rears if you are not lowered.
Where did you get your rear diffuser from?
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      09-20-2019, 01:47 AM   #8
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Also still would like some advice on the tire size, would a 295 rear and 255 front be okay on a lowered M550? HR springs
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      09-20-2019, 07:16 AM   #9
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Quote:
Originally Posted by deepat04 View Post
Where did you get your rear diffuser from?

https://www.shopbmwusa.com/PRODUCT/5...centerid=67600
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      09-20-2019, 09:43 AM   #10
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Quote:
Originally Posted by deepat04 View Post
Also still would like some advice on the tire size, would a 295 rear and 255 front be okay on a lowered M550? HR springs
Yes, it would be okay. Just make sure your overall tire diameter (height of the tire) is consistent in the front and rear.
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      09-20-2019, 01:43 PM   #11
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Quote:
Originally Posted by CLABRO View Post
Yes, it would be okay. Just make sure your overall tire diameter (height of the tire) is consistent in the front and rear.
I am getting
255/35/20
295/30/20

Is that the proper size?
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      10-14-2019, 01:36 AM   #12
deepat04
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Bump for conformation
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      10-14-2019, 09:28 AM   #13
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I can't confirm but 295/30's is what I want in rear but I have spacers and not lowered.
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      10-14-2019, 12:37 PM   #14
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Quote:
Originally Posted by deepat04 View Post
I am getting
255/35/20
295/30/20

Is that the proper size?
Yes, those would be good choices. Just make sure your rear wheels will be at least 10" wide (so 20x10 in your case) for the 295 tire. Looks like you ordered 20x10.5 so that will be perfect.

You could technically run a narrower wheel like a 9.5" on that size of tire, but 10" is the minimum recommended wheel width for a 295 tire. Anything less than 10" on that tire will make the tires buldge which isn't ideal.

Put up pictures when you get them mounted!
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      10-14-2019, 07:05 PM   #15
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Quote:
Originally Posted by CLABRO View Post
Yes, those would be good choices. Just make sure your rear wheels will be at least 10" wide (so 20x10 in your case) for the 295 tire. Looks like you ordered 20x10.5 so that will be perfect.

You could technically run a narrower wheel like a 9.5" on that size of tire, but 10" is the minimum recommended wheel width for a 295 tire. Anything less than 10" on that tire will make the tires buldge which isn't ideal.

Put up pictures when you get them mounted!
Thanks for the response. Def will! Their a custom forged version of the OEM wheels with some changes, size offset, elected for a 3 inch concave stance in rear and went slightly darker on the color vs oem...waiting for them to arrive now!


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