Hey guys, I need new tires for my '01 A4. I got it used about 1 year ago and it has a ton of modifications and im not sure of all of them. Right now it has 18in BBS CH Rims on it (which im considering selling if anyone wants to make an offer) and they have Bridgestone Potenza tires size 225/40zr18. I found some 225/45zr18 tires for $130/each which is a great deal. Does anyone know if they will fit? They are online and I dont want to buy them and pay shipping if they wont fit. Thanks for the info.

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'01 A4 1.8t