Auxiliary Water Radiator, BMW - F22 M240i, F30 340i, F32 430i/440i, F87 M2 N55

This part is listed by BMW as BMW part number 17118625447 (17 11 8 625 447) and is described as the auxiliary (secondary) coolant radiator for F22 M240i and F87 M2 (2016-2018). It also fits F30 340i and F32 430i/440i with the optional M Sport package. This is the small radiator located in the left/driver's side bumper and provides additional coolant capacity and cooling surface area. Cars without M Sport do not have this radiator.

This is a Genuine BMW aux radiator 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.