2002 BMW M5 check engine light on codes 227 and 228

Tiny
MIKE.SALCIDO
  • 2002 BMW M5

Engine Performance problem
2002 BMW M5 6 cyl Two Wheel Drive Automatic 133000 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?

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Tuesday, October 28th, 2008 AT 1:16 PM

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Tiny
DR. HAGERTY
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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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