Filter for my CLS

The papers will work fine I run like this every time crc or not.

I like my oil better filter down to about 5um. 20um will work fine though

Learning how to properly seat those papers will really help . Use 2 papers to close the gap(cut the papers to just barely bigger than the hole and use retainer ring to seat it down) and get solid retainer ring instead c one. The solid ones are tricky getting out but I use rubber mallet to really seat the papers down w the rings