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      01-19-2013, 03:44 PM   #7
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Drives: 2012 X3 Sport 19" rims
Join Date: Oct 2012
Location: Ottawa, On.

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19" rim dimensions and tire size

Quote:
Originally Posted by BMWs View Post
Wondering if there was another more common tire size than the factory 245/50-18. Would like more of a selection of tires but don't want to affect speedometer readings, etc.
According to BMW CANADA the following, is the actual dimensions of the 19" alloy wheels and they do not recommend a aspect ratio higher than 45 for the 19" wheel. BMW CANADA will probably not support a higher aspect ratio than the original 18" tires on your vehicle.

The dimensions of the 19 inch double spoke alloy wheels are as follows: 8,5Jx19 EH2+ with an offset of 38mm. We do not recommend any tires with an aspect ratio higher than 45 for the 19inch wheel base. This is a result of extensive testing by BMW AG. Any non approved changes to the tire or wheel package would make the vehicle unpredictable and could cause issues with the suspension/steering.

Do you really believe BMW CANADA on this issue?
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