Wheel offset flush with fenders
 

I have been searching for hours days actually for offset for Beyern 20in wheels 8.5 front and 10.0 rear what offset is needed to bring the wheels out even with the fenders and what tires I should run to fill the fender whells but look right. Also I will be lowering it what is the best setup it has air rear. Thank you

Hope u knew about this link http://www.e90post.com/forums/forumdisplay.php?f=12
That's all you should need.

Spacers will do what you want to do, if you can find the rim offset you want. Do a search on spacers for more info.