we had the same problems with the oil and power steering...dealer fixed it right away so we're happy.

I had issue #1 with my 4.8 during the first 5k miles. Fixed under warranty; told was not an uncommon problem.

Problem with 4.8is
 

Here are problems with my 4.8is that are currently beeing fixed by BMW diller. My milege 37k .

- Oilpan gasket leaking needs to be replaced

- Front driver side tire wear (inside edge) - possible left control arm defect.