Originally Posted by Caruso0644
I had the same problem with mine last year, they had to replace the whole radiator because of a faulty sensor that is installed in it.
Thanks for the words of encouragement....do you know the price of that??? I think anything is cheaper than replacing heater core...
M3 Ashtray, M3 Windshield Wash Fluid, M3 Seatbelt buckle...have I impressed you yet.....and all these modds are from the 2017 model M3....