Yeah, not sure what to make of that other than that particular PDF doesn't appear to be the latest version.
Originally Posted by Christop55her
I'm surprised I did not find your Bosch edge code markings
My rudimentary attempt to decipher the code yeilds: (B)osch(N)orth(A)merica(Q)uietcast(1213)some proprietary formula(FF)OE equivalent friction rating.
All stock '97 528iA -phone.