What's the location on a o2 sensor bank one sensor one on a 1997 BMW 540 I on the driver side or passenger side ?
Dec 31, 2012 at 5:45 AM
1997 BMW 540I
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Passenger side (the right side) In front of the cat. Replace them both mate, at 207k, its time!
Jan 1, 2013 at 1:14 AM