285 vs 295 vs 305 rear tires?

M2 SoCal · 11-25-2024, 01:43 PM

Anyone gone up to 295 or 305 on the rear tires on the OEM wheels?

I was told I can do up to 305, but that seems too wide to me…

Will adding wider than OEM in the rear affect handling keeping the 275’s in front?

My rears are due to replace soon so looking for anyone’s experience.

Dave07997S · 11-26-2024, 12:33 AM

I wouldn't go above 295/30/20

Whytar · 11-26-2024, 03:57 AM

I agree, 295's on a 10.5 rim is about the limit. I have 305's on the rear of my 911 and they sit on 11" rims.

techwhiz1 · 11-26-2024, 02:21 PM

Quote:

Originally Posted by Whytar

I agree, 295's on a 10.5 rim is about the limit. I have 305's on the rear of my 911 and they sit on 11" rims.

A 10.5" rim is within the recommended width for a Continental 305/30-20 tire. Best to check with the manufacturer on suggested size.

M2 SoCal · 11-26-2024, 02:27 PM

Quote:

Originally Posted by techwhiz1

A 10.5" rim is within the recommended width for a Continental 305/30-20 tire. Best to check with the manufacturer on suggested size.

Michelin

ScottyRyan2019 · 11-27-2024, 03:04 AM

Quote:

Originally Posted by M2 SoCal

Michelin

Yes, you can run a 305/30/20 Michelin on a 10.5" wheel ( recommended wheel size is 10.5 to 11.5 ) but it will look a tad bit stretched and you might loose a bit of the sidewall protection.

Dave07997S · 11-27-2024, 01:35 PM

Quote:

Originally Posted by ScottyRyan2019

Yes, you can run a 305/30/20 Michelin on a 10.5" wheel ( recommended wheel size is 10.5 to 11.5 ) but it will look a tad bit stretched and you might loose a bit of the sidewall protection.

Not to mention the mismatch between the front and rear. The overall diameter changes from 26.8" to 27.2". You moved beyond the .3" tolerable level that most stability control can handle. The 295 is a much better fit.

Orange fever · 11-28-2024, 11:49 AM

About to order Wheels and the rear is going to be 11.5 rears on 305.30.20 tires hopefully it turns out good ///

Ronin76 · 11-29-2024, 06:14 PM

Quote:

Originally Posted by Dave07997S

Not to mention the mismatch between the front and rear. The overall diameter changes from 26.8" to 27.2". You moved beyond the .3" tolerable level that most stability control can handle. The 295 is a much better fit.

I have been thinking about this and unfortunately I do not understand the .3" tolerance level. Can someone please explain this to me?

I would like to eventually go to 285/35/19 on a 10" wheel up front and 305/30/20 on a 11" rear wheel. Is it OK to do this? Will it mess anything up with the car (stability wise)?

Digitalprty · 11-29-2024, 06:45 PM

Quote:

Originally Posted by Ronin76

I have been thinking about this and unfortunately I do not understand the .3" tolerance level. Can someone please explain this to me?

I would like to eventually go to 285/35/19 on a 10" wheel up front and 305/30/20 on a 11" rear wheel. Is it OK to do this? Will it mess anything up with the car (stability wise)?

That’s what I plan to run, as well.

Ronin76 · 11-29-2024, 06:52 PM

Quote:

Originally Posted by Digitalprty

That’s what I plan to run, as well.

Glad I am not the only one. I think it is a good set up but didn’t realize there is so much more that goes into picking wheels and tires.

11-25-2024, 01:43 PM	#1
M2 SoCal BMW CCA ///M Chapter - Marketing Director 1493 Rep 745 Posts Drives: 2024 M2 (G87) Join Date: Jul 2022 Location: United States iTrader: (0) Garage List 2024 BMW M2 (G87) [9.50]	285 vs 295 vs 305 rear tires? Anyone gone up to 295 or 305 on the rear tires on the OEM wheels? I was told I can do up to 305, but that seems too wide to me… Will adding wider than OEM in the rear affect handling keeping the 275’s in front? My rears are due to replace soon so looking for anyone’s experience. __________________ https://mchapter.org https://www.instagram.com/m2socal/ https://www.youtube.com/@M2socal
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11-26-2024, 12:33 AM	#2
Dave07997S Brigadier General 1308 Rep 4,371 Posts Drives: 2024 BMW M2 Toronto Red 6MT Join Date: May 2009 Location: El Segundo, CA iTrader: (1)	I wouldn't go above 295/30/20
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11-26-2024, 03:57 AM	#3
Whytar Enlisted Member 23 Rep 42 Posts Drives: 2025 PBM G87 M2 LCI Join Date: Nov 2024 Location: Sydney, Australia iTrader: (0)	I agree, 295's on a 10.5 rim is about the limit. I have 305's on the rear of my 911 and they sit on 11" rims.
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11-28-2024, 11:49 AM	#8
Orange fever Colonel 2654 Rep 2,967 Posts Drives: E36M,E46M,E90M,X5M,i3,M2,i8,M2 Join Date: Dec 2007 Location: SoCal. in the hood!!! iTrader: (5)	About to order Wheels and the rear is going to be 11.5 rears on 305.30.20 tires hopefully it turns out good /// __________________ G87 M2 25 Frozen Pure Grey Metallic-Lightweight lip,Macht Schnell spacers n stud conversion,KW`s-HAS F87 M2 Aw-Vorsteiner Aero Kit,VFF-107,Macht Schnell Springs,VF-Engineering/Hex tuning Stage2,ER DP,Stock Exhaust,Drop-In Bmc Filter,AA Intercooler,FTP Charge pipe+boost pipe
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