[perplexedbeemerowner]

As for the stuttering I have a 2007 BMW 530xi with the same problem. I took it to Aamco because I thought it was the transmission. They told me it needed plugs and coils. S0 1200 dollars later the problem is still there. So Aamco tells me the torque convertor is bad and flooded the trans with bits of metal. Okay so $5,200 to rebuild the trans. The problem is still there. I go to BMW paid for the diagnostic and other then my wiper pump and a few gasket leaks, My torque convertor is bad and my mechatronic seal is leaking. So I go back to Aamco. Now he tells me the trans is okay but he found another issue but he was busy and will call back.