Originally Posted by Levi
By the way, is there any CAI or air filter for the M3 E9x by KNFilters? If no, do they plan to do any?
Have you seen the stock system?
There's not much room left for improvement, other than the Macht Schnell filters, which are a pre-oiled cotton gauze design and eliminate the restrictive charcoal filter.
There's been very
good feedback on the MS filters from other M3 owners, we typically install quite a few a week in our shop.