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International Automotive Technicians Network
2006 BMW M5 5.0L MIL Lamp on
Posted to European Driveability on 11/7/2014 6 Replies

Hey BMW Techs. Just looking for a little information and confidence before i sell a huge cat job on this M5. As far as i can tell its needs new cats. Rear O2's are switching a little at idle (.3v - .6v) . No issues with any adaptations, vac leaks, exhaust leak...

6 Replies Received (View Replies)

  Related Documents & Media  2006 BMW M5

 
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car Vehicle Data

2006 BMW M5

VIN WBSNB93506
Engine5.0 L / 10 cyl / GAS
Trans7-speed Standard (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter 200 Miles After Clearing Code

Trouble Codes

2789Cat conversion bank 1
278ACat conversion bank 2
P0420Catalyst Efficiency Below Threshold (Bank 1)
P0430Catalyst Efficiency Below Threshold (Bank 2)
Message Closed

car Vehicle Data

2006 BMW M5

VIN WBSNB93506
Engine5.0 L / 10 cyl / GAS
Trans7-speed Standard (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter 200 Miles After Clearing Code

Trouble Codes

2789Cat conversion bank 1
278ACat conversion bank 2
P0420Catalyst Efficiency Below Threshold (Bank 1)
P0430Catalyst Efficiency Below Threshold (Bank 2)