Charge Air Cooler Radiator-Aux Pump Hose, Rein - G01 X3 30i, G02 X4 30i, B46A

This part is listed by BMW as BMW part number 17129894739 (17 12 9 894 739) and is described as the coolant hose running from the front radiator to the small electric auxiliary water pump on G01 X3 and G02 X4 30i with the B46 4-cylinder engine.

The X3/X4 cooling system is split into two systems: engine cooling and intake (charge air) cooling. Each has its own radiator (heat exchanger). This hose is part of the intake circuit and runs from the heat exchanger to the small auxiliary water pump.

This is a X3 30i cooling hose manufactured by Rein Automotive (CRP) - a front-line supplier of original equipment, private label, and in-house engineered replacement parts. Rein replacement products meet or exceed all of BMW's original design, fitment, and performance requirements and they carry out testing with ISO and German TUV for quality control. Rein parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.

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