245/40/18 or 235/40/18 winter tires

pds22 · 09-23-2009, 12:29 PM

Have square setup of stock 18" OEM wheels and looking to get a set of winter tires.

Any big difference other than price between going with 245/40/18 or 235/40/18 tires?

Brosef · 09-23-2009, 12:33 PM

235's should provide better grip in snow / ice, but won't offer quite as much grip in dry. Also slightly less sidewall protection with 235's. All things considered, I'd go with 235's.

isugoo · 09-23-2009, 01:48 PM

235/40/18.

BMW uses 18x8.0 ET20 on all 4 corners with 235/40/18 95V tires for their factory optional winter wheels/tires.
Here are 2 screen shots from realoem.com

09-23-2009, 12:29 PM	#1
pds22 Private Drives: E60 X5d Join Date: Jun 2007 Location: USA Posts: 91 iTrader: (0)	245/40/18 or 235/40/18 winter tires Have square setup of stock 18" OEM wheels and looking to get a set of winter tires. Any big difference other than price between going with 245/40/18 or 235/40/18 tires?
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09-23-2009, 01:48 PM	#3
isugoo Brigadier General Drives: 11 X5M Join Date: Feb 2008 Location: Irvine, CA Posts: 4,984 iTrader: (51)	235/40/18. BMW uses 18x8.0 ET20 on all 4 corners with 235/40/18 95V tires for their factory optional winter wheels/tires. Here are 2 screen shots from realoem.com Attached Images __________________ X5M PAST: 08 E90 M3 \| 08 E92 335i \| 03.5 E46 M3 \| 99 E36 M3

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09-23-2009, 12:33 PM	#2
Brosef Lieutenant Colonel Drives: 2011 M Join Date: Aug 2009 Location: Chicago Posts: 1,510 iTrader: (3)	235's should provide better grip in snow / ice, but won't offer quite as much grip in dry. Also slightly less sidewall protection with 235's. All things considered, I'd go with 235's.