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z4 3.0si

  1. E85 / E86 Z4 (2003-2008)
    After a mentioning to my dealer that I am getting valve tapping noises in my 2006 Z4 3.0si with 19k miles, BMW authorized a replacement Cylinder Head. Appearantly, BMW has redesigned the head because of some problem. I do not think that BMW gives these away easily, as this is not a cheap fix...