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      09-07-2010, 07:18 AM   #2
mario486
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Drives: X1 XDrive 2.0d, Mini Cooper
Join Date: Jun 2010
Location: Scotland/Alba

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Are you going to use the same rims? If so then its easy, you pretty much stick to the same as what you have, ie use 225/50 R17 H winter tyres.

If you are getting new rims you have to use the sizes approved for the X1. Your tyres will then have to match up with the approved rims, if that makes sense.

The one thing that I am not sure of is where run flats fit into things. As far as I know you cannot fit non-runflats to a run-flat rim. Can you however fit non-run flat rims to a car thats been prepped for runflats?

This site may help you figure out what all the sizes mean:

http://www.carbibles.com/tyre_bible_pg4.html

Hope this helps you a bit
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