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  1. E46 General
    Looking for some help. First time posting. Sorry for anything that I do to classify me as "noob". '99 328i. Car seems to be running fine, but I keep getting engine codes with my reader that can't read the codes except one. Anyone know the definition of these mystery ones? Also what this...
    engine light p0441 p1250 p1421 p1423
  2. E46 General
    This is my first post to this forum and I apologize if it is misplaced. I have looked everywhere on the forums and cannot find what is causing my Check Engine Light. about 4 months ago I got a P1421 code from the car's computer. It was still cold here in the north and I figured I would wait...
    p1421 p1423 secondary air pump secondary air valve
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