Quote:
Originally Posted by onebluemcm
Definitely don't want to change throttle feel/response much if at all - I never use sport mode, can't stand the throttle mapping
The AA tune can't turn down/off the post-cat O2s? Will have to contact them.
I hate that BMW changes engine management so much in the Z4M over what they guys with E46 M3s have - I guess that DME is much more tune friendly...
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I'm in the same boat as you. I'm looking to buy either Macht Schnell or Fabspeed headers. Since the post-cat sensors are in the header itself with these brands, I'm just skeptical that evolve can turn down the o2 readings enough to not trigger any codes. Also, I wonder if the EGT sensor is an issue or if the tune can correct that too?