Thermostat replacement in a 3 series BWM 328i - Sixth generation (F30/F31/F34)

In this video, we replace the thermostat on a BMW 3 Series 328i (F30/F31/F34) after getting the fault code (Bleed Process Included): P0597 – Thermostat Heater Control Circuit / Open This code usually points to an electrical issue with the thermostat heater circuit, and it can cause slow warm-ups, poor heat, and cooling system warnings. We’ll walk through the replacement step-by-step, get everything back together, and make sure the car is running properly again. Bleed process included as well! 👍 If this helped you out, hit LIKE, SUBSCRIBE, and drop a comment if you’ve ever dealt with P0597 on your BMW!