1998 BMW 740 TROUBLE CODE P0133

1998 BMW 740
150,000 MILES • V8 • 2WD • AUTOMATIC
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JUN3252
  • MEMBER
  • 1 POST
SLOW RESPONSE IS O2 SENSOR BANK 1 SENSOR 1?
WHICH O2 SENSOR IS BAD AND NEED REPLACEMENT?
May 27, 2008 at 4:23 AM
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DOCHAGERTY
  • ✓Experienced Mechanic
  • 9,606 POSTS
Bank I is the right side. I recommend replacement of both pre-cat sensors.
May 29, 2008 at 2:26 AM
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