This part is listed by BMW as BMW part number 11518663248 (11 51 8 663 248) and is described as the small auxiliary electric water pump used for the intake cooling system on 2018-2019 G01 X3 and G02 X4.
The X3/X4 cooling system is split into two systems: engine cooling and intake (charge air) cooling. This small water pump circulates cooling through the intake system.
This is a Genuine BMW X3 aux water pump 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:
X3 Series
G01 X3 (2018-2024) > X3 M40i B58A (2018-2019)
G01 X3 (2018-2024) > X3 sDrive30i (2018-2019)
G01 X3 (2018-2024) > X3 xDrive30i (2018-2019)
X4 Series
G02 X4 (2019-2025) > X4 M40i B58A (2018-2019)
G02 X4 (2019-2025) > X4 xDrive30i (2018-2019)
