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Old 12-15-2007, 10:10 AM
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question about tires for 20 inch wheels

Hi all...Got a question.

I am a self proclaimed MORON when it comes to understanding wheels and tires. I have the optional 20 inch wheels on my 4.8. I am thinking about putting all-seasons on instead of performance runflats. My question is, do I have to stay with the staggered front/back settings like in the factory spec? Or can I put a 275/55 series on front and back? I know there is a possibility of messing up the speedo calibration, but any other problems I will run into?

Thanks guys...
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Old 12-15-2007, 10:30 AM
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IMO, you need to stay with staggered because the rear rim is wider then the front rim. Switching from run flats is fine (keep in mind you don't have a spare tire though) but the width of the tires should stay the same. If you keep dimensions the same you will have no issues at all.

There is also a TIRERACK forum here which is probably better suited to answer this question for you
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Old 12-15-2007, 01:58 PM
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Quote:
Originally Posted by jasonrhcastle
Hi all...Got a question.

I am a self proclaimed MORON when it comes to understanding wheels and tires. I have the optional 20 inch wheels on my 4.8. I am thinking about putting all-seasons on instead of performance runflats. My question is, do I have to stay with the staggered front/back settings like in the factory spec? Or can I put a 275/55 series on front and back? I know there is a possibility of messing up the speedo calibration, but any other problems I will run into?

Thanks guys...
Wanna sell me your 20"s?
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Old 12-15-2007, 08:15 PM
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Just the tires???
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Old 12-16-2007, 09:03 PM
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Quote:
Originally Posted by jasonrhcastle
Hi all...Got a question.

I am a self proclaimed MORON when it comes to understanding wheels and tires. I have the optional 20 inch wheels on my 4.8. I am thinking about putting all-seasons on instead of performance runflats. My question is, do I have to stay with the staggered front/back settings like in the factory spec? Or can I put a 275/55 series on front and back? I know there is a possibility of messing up the speedo calibration, but any other problems I will run into?

Thanks guys...

..I believe the outer tire diameter does not change. Also consider that if you are switching to all-seasons because you will be driving in a lot of snow and ice, the all season 20's may not be the best because of their width.
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Old 12-16-2007, 09:11 PM
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i would buy a set of rims for a winter setup. im thinking about doing that myself, but may not because i'm thinking of selling my 2002 X5 for a newer X5 with heated seats. like an 03 or 04. Isnt that the year they updated the X-Drive?
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