Ok, the car is back and fixed (i think)
Here is what Autohaus told me...(and billed me)
ALL MISFIRED BESIDES 4 AND 8
ADDITIVE MIXTURE ADAPTATION BANK 1 & 2 TOO LEAN.
REAR PLATE LEAKING AIR. SOME LEAKAGE AT FRONT PLATE AS WELL.
INTAKE PORTS ARE CAKED WITH CARBON BUILD-UP - EXTRA TIME TAKEN TO CLEAN.
R&R'D INTAKE GASKETS. PCV PLATE AND FRONT AND REAR COVERR GASKETS. CLEARED FAULTS AND RESET ADAPTATIONS.
PARTS COVER - 87.81
INTAKE MANIFOLD GASKETS 73.84
GASKET - 9.76
WITH 4.5 HOURS (@99/hr) OF LABOR AND $181.00 IN PARTS THE TOTAL COMES TO - 626.67
After that job I had to have my alarm system R&R'D for parts of $384.80 and $99 in labor...
bringing one day at the dealer to .....