Original BOGAP Heater Return to Thermostat Line
17127548230 / B4228320

Ensure smooth coolant return flow with this Original BOGAP Heater Return to Thermostat Line for BMW. This line efficiently channels coolant from the heater core back to the thermostat, maintaining stable engine temperature and effective cabin heating. Built to factory specifications with durable, heat- and pressure-resistant materials, it guarantees a precise fit and long-lasting reliability.