This part is listed by BMW as BMW part number 17139485733 (17-13-9-485-733) and is described as Genuine BMW Coolant Expansion Tank for liquid-to-air intercooler on G30 530i, 540i (2017-2023), G12 740i (2016-2023), and G14/G15/G16 840i (2019-2025).
Cap sold separately. Please see below for BimmerWorld recommended related items.
This is a G30 charge air cooler tank manufactured by Rein Automotive (CRP) - a front-line supplier of original equipment, private label, and in-house engineered replacement parts. Rein replacement products meet or exceed all of BMW's original design, fitment, and performance requirements and they carry out testing with ISO and German TUV for quality control. Rein parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.
BMW Fitments:
5 Series
G30 (2017-2023) > 530i B46A (2017-2019)
G30 (2017-2023) > 530i B46D (2020-2023)
G30 (2017-2023) > 530i xDrive B46A (2017-2019)
G30 (2017-2023) > 530i xDrive B46D (2020-2023)
G30 (2017-2023) > 540i B58A (2017-2019)
G30 (2017-2023) > 540i B58C (2020-2023)
G30 (2017-2023) > 540i xDrive B58A (2017-2019)
G30 (2017-2023) > 540i xDrive B58C (2020-2023)
7 Series
G12 (2016-2023) > 740i
G12 (2016-2023) > 740i xDrive
8 Series
G14 / G15 / G16 (2019+) > 840i xDrive
