mmm, if the link you listed is actually what you recieved (that's sometimes the problem with ebay purchases), they should work. I don't know how much variation there is between a 318 and 325 (regardling suspension), but with the 6cylinder equipped e36 cars, it's not until after a 37mm offset that you get into trouble with a 17" wheel.
But if indeed there isn't enough clearance, you can get wheel spacers and longer lugs from bavauto.com or bmpd.com. Both catalogs give you a chart to help you decide what size to buy, I'm guessing their website has the same.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.