Febi Bilstein Coolant Hose. This hose is designed for precision fit and OE matching quality. It is made from EPDM rubber and plastic, with a length of 470 mm. The hose is directed from the engine to the heater valve and features a quick coupling. OE number for comparison: BMW 64 21 8 376 999. Compatible with BMW 3 Series (E46) 2.5 from 1998 to 2000.