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  1. X3 E83 (2004 - 2010)
    Hello fellas I recently had to replace headers on a 06 x3 with the m54 powerplant, he had already started and got as far as removing the sensors unfortunately I do not know which of the sensors go to which plug, I do know which are up and down stream, I thought I could reference off my 07 x3 but...
  2. X3 E83 (2004 - 2010)
    I have an X3 E83 M54. A few months back, I realized that there was smoke coming out from the vent and I thought it was just an one time event because it did not happen for a few days. The second time it happened, I tried to figure out where the smoke was coming from and it seems that its coming...
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