For Bobbins, i am pretty sure you have to use Bernina and for that specific model. Apparently there are slight variances from one model to the next. I never knew that until I bought some.
For needles, I didn't even know Bernina made needles. I use Schmidt needles which my dealer recommended. She did tell me once to never ever use singer needles in my Bernina. She said they are just ever so slightly larger than Schmidt and can damage the hook assembly which holds the bobbin over time. So I have only ever used Schmidt.