Why is my BMW 428i Coupe (F32) overheating or losing coolant? This BMW 428i guide is based on 1 documented technical case, including 1 confirmed successful repair outcome. It explains the symptoms, diagnostic findings and repairs supported by the captured research without assuming that the same part is responsible for every vehicle. The documented applicability includes 2014. Captured platform information includes 4 Series F32 Coupe. Captured engine information includes N20.
What Drivers or Technicians Reported
Documented complaint language included: MIL with thermostat temperature-sensor code ID2404..
Fault Codes Seen in Supporting Cases
Codes included ID2404. A fault code is evidence of what the control system detected, not automatic proof that a particular component failed.
Causes Confirmed in Documented Cases
Confirmed root causes included: Failed thermostat-housing temperature sensor with 15 kOhm resistance..
What the Diagnostic Process Found
15 kOhms versus about 11 ohms specified 10 ohms Diagnostic Procedures Used Measure thermostat-housing sensor resistance at ambient temperature Measure replacement housing sensor
Repairs That Corrected Documented Cases
Confirmed repairs included: Replace thermostat housing with included sensor; clear code and road test.
BMW 428i Diagnosis in Hickory, NC
Mich's Foreign Cars has served Hickory and the surrounding Western North Carolina area since 1983. We specialize in European and foreign vehicles and use professional diagnostic equipment to identify the cause before recommending repairs. If your BMW 428i is showing this symptom or fault pattern, call Mich's Foreign Cars at 828-324-6012 to schedule diagnosis.