Well, I've changed the plugs, wires, coil pack, t-map sensor and even swapped the O2 sensors and the car still misbehaves. I have been told my next step is swapping the throttlebody as it could be going bad and sending a false reading to the computer. Of course, this whole time, I have not received a single code from the computer.

 

You are in ATL. Why not go see Way. Bet it would take him a few moments to give you a resolution.

 

Oh, I have been and he has been very helpful. I'm just not in a financial place where I can leave the car with him for days on end.

 

Sounds exactly like the problem I've been having with my car. I've checked the O2 sensor, checked for vacuum and exhaust leaks, checked fuel pressure... so far no luck. Please update if you find a solution and I'll do the same.

Car actually died on me at the line at autox yesterday. The good news there is that it works great when it's moving (no problems on course at all), but it won't idle to save it's life about half the time. Mine is worse when it's cold too. Frustrating.

 

Also check into getting the Adaptations reset by the dealer or someone who has a GT1, BMW INPA, Autologic. With a bad sensor that data is locked in the adaptations, etc. And since the sensor is a dumb device the ECU is unaware of the change to the new fully functional sensor.

 

Blower surge lol