My OBD scanner states that the O2 sensor on bank.

Tiny
SCOTTAS27
  • 2001 BMW X5
  • 118,000 MILES

My OBD scanner states that the O2 sensor on bank 1 sensor 2 is bad. I know that the sensor is the one located downstream, but which side is bank 1? Driver or passenger. Your help would be a life saver. Thank you

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Friday, November 16th, 2012 AT 3:13 PM

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Tiny
DR. HAGERTY
  • EXPERT
  • 9,734 POSTS

The V8 BMW motor has bank one on the right side, the inline six, bank 1 is the front 3 cylinders.

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Friday, November 16th, 2012 AT 7:24 PM

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