Hy to all,my car is an e60 3.0dA from 2004 ,when i was making a diagnostic with dis the following erorrs apeared:

44E2 GENERATOR
NO CUMMUNICATION VIA BSD INTERFACE
FAULT CURRENTLY NOT PRESENT
FAULT WOULD NOT CAUSE A WARNING TAMP TO LIGHT UP
SAE DIAGNOSTIC TROUBLE CODE

4298 OGYGEN SENSOR
OXYGEN CONCENTRATION IMPLAUSIBLY LOW

The first is becose the generator is not supllyng enought voltage for the car?Or what?
The second i don't have a clue.
PLEASE HELP!