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Yeah i have the direct quote from them in my dyno thread(iroll's dyno thread). They eventually came around and helped me sort it out and it did end up being reversed o2 sensor's. They were double reversed, hence why i didn't think they were mixed up. Bank 1 was in bank 2 with the bank 1 plug and vice versa, it was quite confusing and i believe it led to the premature failure of my bank 2 primary o2 sensor which i have since replaced.
Since that has been resolved, the car has been a joy to drive. the power with AA is completely linear with no dips anywhere in the range. I'd still like to see a nice comparable Evolve dyno to compare to mine. Although my last dyno with my headers may be off because my o2 sensors were indeed reversed, I didn't notice a performance difference between when they were reversed and not reversed though.
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08 e93 335i MT
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