Charge Air Water Pump Supply Hose, BMW - G20, G22, G26, G42, B58D

This part is listed by BMW as BMW part number 17128742077 (17 12 8 742 077) and is described as the coolant supply hose that feeds coolant to the small electric water pump for the charge air cooler on G20 M340i, G22/G26 M440i, and G42 M240i (B58D and B58TU engine). It runs from the bottom of the front heat exchanger to the pump.

This is a Genuine BMW B58 cooling hose with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.