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  1. E60 M5 and E61 M5 Touring Discussion
    Hey all, my 2007 M5 gave me a few codes and I'm not sure where to start. Doesn't seem to be leaking oil or making any strange sounds, runs fine. I've cleared the codes and they come back. 27B6 - DME: VANOS Oil Pressure 273F - DME: Oxygen Sensor output stage diagnosis, heater before cat bank 2...
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