Thoughts on Tire Size (Comparisons)

Sonnie · 08-11-2011, 11:24 PM

I replaced my OEM wheels and tires on my previous 528i with the wheels and tires in the middle column below. As you can see, they were quite a bit wider and only slightly taller. They fit well with no issues.

I am probably going to use the same wheels on my new 528i that is on order now... or at least the same size wheel, but the tire I want to go with, the Michelin MXM4 is not offered in the previous size I had, so I plan to use the proposed 245/50/18, which will be narrower than the previous tire, but yet again a bit taller... nearly an inch taller than the OEM.

There appears to be plenty of clearance and they will probably look better filling up the wheel well more... and I like the idea of getting back close to the sidewall height of the OEM. I am not much on the railroad boxcar type wheels with a layer of rubber stretched over them. I like a little bit of rubber with my wheels. No offense intended to those who like that style... call me old fashioned.

Speedometer difference will be 2 mph faster at 60 mph, but I am not concerned about it. My truck has run bigger tires at 3 mph faster since I have owned it. I am a slow poke anyway... I am the guy leading the long train of cars you get behind.

Basically I want to make sure I am not missing anything and would appreciate any reassurances that I should be fine before I get my tire guy to order these for me.

Thanks!

remmib · 08-12-2011, 11:49 AM

Why not get them in the proper size of 245/45/18?

Sonnie · 08-12-2011, 12:28 PM

They don't offer that size in this tire.

remmib · 08-12-2011, 02:08 PM

Quote:

Originally Posted by Sonnie

They don't offer that size in this tire.

But I find them in 245/45/18 on Tirerack.

http://www.tirerack.com/tires/TireSe...turer=Michelin

Sonnie · 08-12-2011, 02:20 PM

OK... yeah... I remember seeing those now. They did not offer them at Discount. I did actually consider those, but the sidewall height is even less than my previous aftermarket 18's. I don't wanna go less, but would rather have more sidewall to compliment the comfort more. Plus they would be shorter than the stock tire, albeit only by a smidgen.

remmib · 08-13-2011, 09:33 AM

But the stock 18" size is 245/45/18.

Sonnie · 08-13-2011, 09:40 AM

Yep.... but the stock tire on my car is 17".

08-11-2011, 11:24 PM	#1
Sonnie Bama Hillbilly 7 Rep 88 Posts Drives: 2011 BMW 528i Join Date: Mar 2011 Location: Lower Bama iTrader: (0)	Thoughts on Tire Size (Comparisons) I replaced my OEM wheels and tires on my previous 528i with the wheels and tires in the middle column below. As you can see, they were quite a bit wider and only slightly taller. They fit well with no issues. I am probably going to use the same wheels on my new 528i that is on order now... or at least the same size wheel, but the tire I want to go with, the Michelin MXM4 is not offered in the previous size I had, so I plan to use the proposed 245/50/18, which will be narrower than the previous tire, but yet again a bit taller... nearly an inch taller than the OEM. There appears to be plenty of clearance and they will probably look better filling up the wheel well more... and I like the idea of getting back close to the sidewall height of the OEM. I am not much on the railroad boxcar type wheels with a layer of rubber stretched over them. I like a little bit of rubber with my wheels. No offense intended to those who like that style... call me old fashioned. Speedometer difference will be 2 mph faster at 60 mph, but I am not concerned about it. My truck has run bigger tires at 3 mph faster since I have owned it. I am a slow poke anyway... I am the guy leading the long train of cars you get behind. Basically I want to make sure I am not missing anything and would appreciate any reassurances that I should be fine before I get my tire guy to order these for me. Thanks!
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08-12-2011, 11:49 AM	#2
remmib General 1568 Rep 29,202 Posts Drives: 2013 F10 520d M-Sport Join Date: Feb 2006 Location: Norway iTrader: (0)	Why not get them in the proper size of 245/45/18? __________________ F10 520d M-Sport Alpine White \| HRE P43SC 20x9+20x11 \| Michelin PSS 255/35+295/30 \| KW V3 Coilover \| M5 Front Sway Bar + M550d Rear Sway Bar \| 3DDesign Front Lip \| BMW M Performance CF Spoiler \| BMW M Performance Diffuser \| BMW M Performance Black Grills \| BMW M Performance Pedals \|
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08-12-2011, 12:28 PM	#3
Sonnie Bama Hillbilly 7 Rep 88 Posts Drives: 2011 BMW 528i Join Date: Mar 2011 Location: Lower Bama iTrader: (0)	They don't offer that size in this tire.
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08-12-2011, 02:20 PM	#5
Sonnie Bama Hillbilly 7 Rep 88 Posts Drives: 2011 BMW 528i Join Date: Mar 2011 Location: Lower Bama iTrader: (0)	OK... yeah... I remember seeing those now. They did not offer them at Discount. I did actually consider those, but the sidewall height is even less than my previous aftermarket 18's. I don't wanna go less, but would rather have more sidewall to compliment the comfort more. Plus they would be shorter than the stock tire, albeit only by a smidgen.
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08-13-2011, 09:33 AM	#6
remmib General 1568 Rep 29,202 Posts Drives: 2013 F10 520d M-Sport Join Date: Feb 2006 Location: Norway iTrader: (0)	But the stock 18" size is 245/45/18. __________________ F10 520d M-Sport Alpine White \| HRE P43SC 20x9+20x11 \| Michelin PSS 255/35+295/30 \| KW V3 Coilover \| M5 Front Sway Bar + M550d Rear Sway Bar \| 3DDesign Front Lip \| BMW M Performance CF Spoiler \| BMW M Performance Diffuser \| BMW M Performance Black Grills \| BMW M Performance Pedals \|
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08-13-2011, 09:40 AM	#7
Sonnie Bama Hillbilly 7 Rep 88 Posts Drives: 2011 BMW 528i Join Date: Mar 2011 Location: Lower Bama iTrader: (0)	Yep.... but the stock tire on my car is 17".
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