1
Chronic Cooling System Issues with 2016 BMW 418i Gran Coupe
My 2016 model 1.5 motor 418i gran coupe has had cooling system issues that have required many upgrades over the years. I...n 2020, I had to replace the turbo and numerous associated parts due to a cooling water failure, and BMW only covered 65% of the cost. Now, four years later, I'm suffering the same