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m3 e46 s54 noise

  1. ///M3 Forum
    E46 M3. 52000 miles. Yet another thread about noise. I have a noise from the engine bay, it's best summed up as being similar to this RSX but quieter: http://www.youtube.com/watch?v=iZuZOlc0fKk Obviously that's not my car, just someone else's video. I'm pretty confident it's something to do...