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1997 BMW 740iL 4.4L High Nox
Posted to European Driveability on 5/11/2005 14 Replies

Hi guys, I have this 740IL that has extremely high NOx. Customer had it pre-tested at 2 other places. Same story at both places. Does anyone know if the catalytic converter is common at this mileage? Any help, tips, advice would be appreciated.

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car Vehicle Data

1997 BMW 740iL

VIN WBAGJ8321V
Engine4.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHigh NOx
OccursAlways, on Accel, Idle
Message Closed

car Vehicle Data

1997 BMW 740iL

VIN WBAGJ8321V
Engine4.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHigh NOx
OccursAlways, on Accel, Idle