Spacers for front end with M3 wheels.

I have oem M3 wheels style 67's and im running 215/40/18's in front and 235/40/18's out back on my 01 E46 sedan, and would like someones input on what size spacers i would need for the front. I know i can go measure it but i want to know by someones experience what size spacer will push my wheel out out to line up with the fender or get it close. I will be dropping it soon on H&R cup springs. Please pm me or leave a message on here. Show me some pictures if you guys have any. Thanks