What other model's gas pedal go in the E53?
 

Got a new gas pedal, but my tech thinks it's bad. It throws codes that won't clear when the pedal is in. It is under warranty, but I have to take it to a dealer. That isn't possible right now. So I'm wanting to pick up a used pedal just to see if it will work. I know I can get it on eBay for fairly cheap. I'm wondering if I can get a pedal from a different model too. That will give me more options.

Thanks for your help!