Charge Air Cooler Reservoir, BMW - F22 230i/M240i, F30 330i/340i, F32 430i/440i, B46, B58

This part is listed by BMW as BMW part number 17138617045 (17 13 8 617 045) and is described as the expansion tank for the top-mount charge air cooler on F22 230i/M240i, F30 330i/340i, F32 430i/440i models with the B46 4-cylinder or B58 6-cylinder turbo engines. With the intercooler in the intake manifold, a separate cooling circuit that is separate from the main engine cooling is used. This is the reservoir for the intake manifold intercooler.

This is a Genuine BMW coolant reservoir 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.