Part Number: 17138614293. for BMW 528i xDrive 2012 2013 2014 2015 2016. for BMW 528i 2012 2013 2014 2015 2016. Type: Coolant Radiator Reservoir Tank. The coolant reservoir is attached to the radiator and the engine with hoses and is an important component of the cooling system, which holds the excess coolant fluid used to cool the engine.
