Ordered replacements from Amazon. Tirerack sells them too for less, but after UPS 8 day shipping, it was only $1 less than Amazon with my prime 2 day shipping.
For the driver side
http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
and passenger
http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
Pretty sure these are the correct ones for an E90 and apparently only E90's and not the other 3 series. And according to the reviews, OEM fit.