64 21 8 377 782 : Engine return water hose to heater radiator for BMW E46

This water hose ensures the return of cooling liquid between the engine and the heater radiator on the BMW Series 3 E46. It is compatible with the Saloons 316i M43 (1.6 and 1.9) and 318i M43, the Touring 318i M43, as well as the Coupés 316 Ci M43 and 318 Ci M43. As part of the restoration or maintenance of a classic vehicle, replacing an ageing hose, a cracked one or one that has lost its seal is an essential step to ensure the proper functioning of the heating circuit and avoid any overheating. This new part allows you to restore the original performance of your BMW E46.