I have a question. I want to upgrade my 2004 BMW 325i rims and tires and I am not too sure if the 225/45R18 would fit my car? Thanks!
205/55/16 is stock on your '04 325i. 24.88" diameter. Going to 225/45/18 will give you a 26" overall diameter 65mph on your speedometer will be a true 67.86. Presented for what it is. If you went to 225/40/18 there is virtually no difference in diameter, (¼") just wider and shorter sidewall
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