We have this BMW with a repeated cat efficiency problem. My trim readings are as follows at idle: STFT 1= -0.7 STFT 2= -0.7 LTFT 1= +9.4 LTFT 2= +9.4

In the freeze frame data which was taken at 60 MPH under a low load, the trims are very similar: STFT 1= +1.6...

FIX posted 4/17/2009

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