This hose connects the heat exchanger (front of the oil filter housing) to the engine coolant inlet pipe, and also down to the radiator. Over time, rubber hoses can become hard, with the internal walls covered in sediment and the plastic fittings turning brittle or the internal o-rings simply leaking. A smart hose to replace for any owner BMW owner looking to preventively maintain or restore their cooling system. We've found these Febi hoses to be great quality, which is manufactured by an original equipment supplier.

Part Number: 11537522999
Rein Part Number: CHE0480