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  1. E46 General
    I'm creating my own exhaust system / semi straight pipe, but I am unsure what pipes i need due to the diameter. I am going to be using a Y-pipe to get one pipe, but what exhaust diameter do I have? I have a 320i m54b22 and I found this picture, but I am unsure what is "correct" for my car.
  2. E46 General
    heres a video of what my car is doing and it started doing this right as i gave it a little gas to go thru a light. somebody please help this is my daily.:eek::(:tsk::evil: https://youtu.be/3MRxNzKp6ZE
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