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Re: 1997 528E Glitches? (archive)
[ Follow Ups ] [ 5-series (E28) Message Board ] [ Msg. Board FAQ ]
Posted by rex on April 10, 2001 at 12:19:52:

In Reply to: Re: 1997 528E Glitches? posted by Cam Stableford on April 08, 2001 at 16:49:57:

Your post didn't provide enough info to answer it. Stock 14" rims? 70 series tires?

185 is the width in mm, so your contact patch is 10/195, or about 5% narrower. This will reduce grip on dry pavement, increase it on slick surfaces. So maybe a good move for winter tires.

There is also an effect on overall diameter. Check the archives or maybe tirerack.com for a tire size calculator. This will make your speedometer read a little low. It will also lower your car slightly, which may give a very slight improvement in handling, maybe acceleration (like going with higher gearing in diff.).

You'd probably get a more informed response to this question with a single topic, descriptively titled posting. Something similar is probably in the archives.

Cheers



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