Quote:
Originally Posted by Turbod
I have not personally tested the rumors that front and rear need to remain within 1% of total diameter or that you should not increase more than 3% of the stock diameter on xDrive vehicles. You can however use 19 inch wheels. BMW offered 19 inch wheels on certain models. You should just lower the aspect ration of the tire when going up to a larger wheel size.
Here is a helpful tool to see what the changes from stock to whatever size your considering looks like.
https://www.willtheyfit.com/ |
Yes I heard the same (needing same diameter) about the xDrive. Everyone with 19" seems to be staggered...