I believe these are the same codes I got when I first bought my car. Despite no leaks, new O2s, etc, I flashed the ECU with updated software that BMW released to fix this problem. Do you get studdering at certain points in the RPM band?
'04 330i ZHP sedan | Mystic blue | Alcantara | 6MT | 111k
'98 740il | Schwartz 2 | Sandbeige | 5AT | 238k | lowered on Bilsteins w/ B&G springs
'00 540i sport | Titanium silver | Black | 5AT | 120k
'85 Mustang GT convertible | Medium charcoal metallic | Gray | 5MT | 215k | one owner, all original