changing rim size. speedometer change too?

[525ikicker]

hi, i have a 525i with 205 65 r 15 and i want to get a bigger rim.. does changing rim size affect the speedometer in the car? will it mess up everything? well i have been tryin to figure this out and im stumped any help would be greatly appreciated!
justin

[Blitzkrieg Bob]

to match the original overall tire diameter.

There are calculators for this to help pick tire size and preserve odometer accuracy.

[Felixdacat]

Here ya go check out this site it will help you out.


http://www.1010tires.com/TireSizeCal...?action=submit