BMW e38 750 (98-01) Radiator Hose Lower to Thermostat Housing Radiator Hose Radiator to Thermostat Housing Lower Brand NEW part with full 1 year warranty. BMW part# 11 53 1 711 878, note the mid-year splits. Genuine BMW part, recently made: not been lying around. PLEASE NOTE the mid-year split on PRODUCTION date. See Models Chart BELOW. Not sure about your car? email us your VIN to confirm.