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bad way detection

  1. E60 M5 and E61 M5 Touring Discussion
    I have a 2006 e60 M5 with 71K on it. The problem I am having is the RPM's are jumping all over the place. Once it gets warm it usually idles "okay". Not 100% though. I used my BMWWhat App to pull the codes. This is what comes up 002789 Bad way detection 00278A Ambient Temperature Also I...