Originally Posted by CHCCubs
The E90 uses 225/45/17, while the F30 uses 225/50/17. The difference will throw off the speedometer by about 4%. In my case the previous winter tires were pretty much worn down after 4 seasons of use, so between that and the tire size difference, it made sense for me to get a new set.
CHCCubs, ack! Just realized my e90 winters are on 16" wheels. I don't suppose you know if they'll fit on our f30's, do you? Thanks.