2004 BMW 745 CHECK INGINE LIGHT ON

I have forwarded your question to our BMW tech. He will be with you shortly, thank you for your patience. To resolve this , you will need to have the PCM scanned for the trouble code, this will aid in the diagnosis, sounds like something in the throttle sysetm

What the car needs is to be set up with a GT-1 (what the dealer uses to diagnose the cars with) and have the faults read out and interpreted. With that information, the diagnosis can then proceed.