Aux Radiator Lower Hose, BMW - F22 M240i, F30 340i, F32 440i, B58, M Sport

This part is listed by BMW as BMW part number 17128633483 (17 12 8 633 483) and is described as the crossover coolant hose connecting both auxiliary remote radiators to each other. This is the hose connecting to the bottom of each remote radiator. This is only for cars with the M Sport package with two auxiliary radiators (one on each side).

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.

BMW Fitments:

2 Series
F22 / F23 (2014-2021) > M240i
F22 / F23 (2014-2021) > M240i xDrive
3 Series
F30 / F31 / F34 (2012-2019) > 340i
F30 / F31 / F34 (2012-2019) > 340i xDrive
4 Series
F32 / F33 / F36 (14-20) > 440i
F32 / F33 / F36 (14-20) > 440i xDrive