Originally Posted by
flyntgr
For what it's worth, my local M-B/Crossfire mechanic swears that K&N oil messes up the way the 320 engines run. He recommends NOT to use the K&Ns because of it. I would recommend that you Ask your own mechanic about it before using these K&N filters.
I tried asking my mechanic but it got all weird - people looked at me oddly, cause I was talking to myself.
(They are used to me doing that, but they REALLY freaked out when I started an argument with myself.
)