Radiator Hose - Upper

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Connecting the upper radiator to the thermostat. Over time, rubber hoses can become hard, with the internal walls covered in sediment and the plastic fittings turning brittle or th e internal o-rings simply leaking. A must replace hose for any M3 owner looking to preventively maintain or restore their cooling system. We've found these Rein hoses to be the best quality, which is manufactured by the original equipment supplier and use a BMW Genuine plastic hose connector.Part Number: 11537830716 Rein Part Number: CHR0377R Show more