Originally Posted by NCLee

Mango, I just went through refreshing my entire cooling system. I bought the "E46 COOL AUTO" kit form Bavarian Autosport, but it was missing a couple key elements - notably the Expansion Tank Mounting Plate, and the Automatic Transmission Thermostat, which exploded when I took the old expansion tank out.

Thank you SO MUCH for your guide, the part numbers, and help on this. I am thrilled to know that my car is going to be healthy and fresh for years to come. You have saved me THOUSANDS of dollars. Keep it up, and keep on rockin'.