3 Button Diamond Remote Key Fob Case Replacement For BMW E46 3 5 7 Z3 + Battery
Transponder chip/ Circuit Board : No. For BMW E46 E39 1 3 5 7 Series X5 X3 Z3 Z4. - Existing circuit board and transponder chip can be installed from your original key into the new case. - For BMW 3 button remote key fob service repair kit.