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bosch o2 sensor

  1. General E46 Forum
    I wanted to pass this on to anyone who may want or need new O2 sensors for their e46. I noticed that Amazon is once again stocking the Bosch 15109 (BMW P/N 11-78-1-742-050) Pre-Cat O2 Sensor for $42. This O2 sensor will fit all Non M models - 323i/Ci, 328i/Ci, 325Xi, 330Xi. It will only fit...
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