2002 BMW M5 check engine light on codes 227 and 228

Tiny
MIKE.SALCIDO
  • MEMBER
  • 2002 BMW M5
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 133,000 MILES
I have the codes 228 and 227 O2 sensor bank 1 and 2 deviation need help check all data and no codes on there about those code. Where should I start looking?
Tuesday, October 28th, 2008 AT 1:16 PM

1 Reply

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Mike, can you send the last 7 characters of the vehicle identification number so I know exactly what car we are talking about? Also, what method of code extraction was used?
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Tuesday, October 28th, 2008 AT 7:49 PM

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