BMW M5 Forum and M6 Forums banner

water valve

  1. IHKA errors 9C79 and 9C7A

    E63/E64 M6 Discussion
    Hi! Has anyone had a similar problem?? Any ideas what is wrong? IHKA: 9C79 water valve left 9C7A water valve right Ista-D diagnostic program tells: "The left water valve is ativated and operates cyclically at 20% ON&OFF Is the water valve clocked cyclically?" Changed new water valve...
Top