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code 179

  1. E39 M5 and E52 Z8 Discussion
    Good Evening, I have few issues, but they might be related or not. First, I have done maybe 600- ish miles on my M5 since she was in storage mode for the winter. I keep getting BMW Code 179: KAT- Conversion 2 or P-Code P0430 - Catalyst System Efficiency Below Threshold. Before the car came...