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BMW 3-Series (E90 E92) Forum
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Rear O2 Sensor Replace
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| 08-04-2014, 06:40 PM | #1 |
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Rep 5
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Rear O2 Sensor Replace
I have a 08 335xi and need to replace the rear o2 sensors. i looked for a DIY and can't find one.I could use some advice regarding the necessary steps and tools required to remove the sensor. ie do i have to remove the down pipes or just disconnect the exhaust flanges at the rear sensor.
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