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Re: 16" Wheels and tires are better but... (archive)

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Posted by Doug on January 27, 2000 at 11:37:47:

In Reply to: Re: 16" Wheels and tires are better but... posted by Mitch on January 27, 2000 at 11:03:20:

One little distinction -- you can't change the SIZE of the contact patch, just the SHAPE.
Disagree - a narrower tire most definitely has a different SIZE of contact patch.

A long, narrow contact patch will slice thru snow, while a short wide patch (like on our summer tires) is more likely to ride up onto the snow.
Agree - and a much better definition/clarification than Size or Shape which really doesn't matter if you use this definition!

re: Winter 210 tires
I guess I am just spoiled having had the ICE tires. Kind of like working on a really fast computer then going down to a slower one - if you have never worked on the faster computer, they you really aren't bothered by the slower one!

re: Minus one conversion
What a nightmare this was for me. TireRack has some incorrect info on this. They were supposed to fix it. I know this for sure, rims/tires that fit on a standard 540ia, will work on a 540ia with the sport package. What I don't know is if rims/tires that fit a 540ia will fit a 540i. There was some talk about the brakes being bigger on the 540i, but nowhere I look can I find that info.
Because of this mess, and because I wanted 16" wheels for winter, I had to order BMW 16" wheels (went with the Radial styling just like my 17s) at a nice cost of $325 each - ouch, ouch, ouch!. Course the parts guy was crapping his pants cause he had heard this same stuff about the wheels not fitting - so there were like 5 people in the shop looking at my car when they put my wheels on - all praying they fit. Parts guy was very relieved.

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