Audi after chain&pump

[D1sc]

Hard to say if they are the same today the way filter companies make changes. If you end up getting an offical anwser from Mann let us know.

I gave up but here is their final answer

 

[ZeeOSix]

I gave up but here is their final answer View attachment 205861

Same info as in that old BITOG thread in post 18. Efficiency of 99% @ 38u isn't anything to write home about, it's on the "not real efficient" end of the efficiency spectrum.

 

[D1sc]

Same info as in that old BITOG thread in post 18. Efficiency of 99% @ 38u isn't anything to write home about, it's on the "not real efficient" end of the efficiency spectrum.

I will try to get something in the 20 range since I would like better polishing for the next oil change.I think purolator was 40 microns

 

[ZeeOSix]

I will try to get something in the 20 range since I would like better polishing for the next oil change.I think purolator was 40 microns

Depends on what Purolator model. The Purolator One is more efficient than the Boss.