1997 BMW 740

  • Tiny
  • Gatti23
  • 1997 BMW 740

Heater problem
1997 BMW 740 V8 Automatic 148 miles

HI I wanna no where O2 Sensor Heater Control Circuit (Bank 1 Sensor 2), (Bank 2 Sencer 2 is locacted. Thanks For your hepl

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Monday, July 21st, 2008 AT 5:13 PM

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  • Tiny
  • Dr. Hagerty
  • Expert
  • 9,720 posts

Either it will need the post cat o2 sensors replaced, or it will just take clearing the faults and driving the car for several drive cycles to remedy this issue. There may be other issues involved. What method was used to extract the faults?

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Monday, July 21st, 2008 AT 9:46 PM

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