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10-20-2022, 03:52 AM | #1 |
New Member
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Rep 23
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E92 M3 engine code: 002728 / 002729
Hi all, i got codes 002728 / 002729. From what i read online previously the codes stated my primary O2 sensors were no good. Ended up changing the O2's cleared the code and they came back almost immediately. (Replaced with bosch o2 sensors). Very slight hesitation on the highway at 2500rpm (120kmh/70mph)
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05-16-2024, 11:04 AM | #2 |
New Member
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Rep 10
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2 yrs later but in the same boat.. I got the 002728 code less than 2 weeks after replacing both primary o2 sensors. Not sure if I need to replace the secondary sensors but might be worth a shot
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05-16-2024, 12:51 PM | #3 |
Second Lieutenant
244
Rep 261
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I had this problem with my bank 2 sensor. It was not the sensor itself. It was the sensor plug having a loose connection. Just unplug the sensor and bend the metal in different ways to get a better connection.
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