This part is listed by BMW as BMW part number 11518632586 (11 51 8 632 586) and is described as the profile gasket seal between the engine block and the water pump module support bracket on B58A engines in F22 M240i, F30 340i, and F32 440i. It's also for 2017-2019 models of the G30 540i, G12 740i, G01 X3 M40i, and G02 X4 M40i.
This is a Genuine BMW gasket 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.
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
5 Series
G30 (2017-2023) > 540i (B58A 2017-2019)
G30 (2017-2023) > 540i xDrive (B58A 2017-2019)
7 Series
G12 (2016-2023) > 740i
G12 (2016-2023) > 740i xDrive
X3 Series
G01 X3 (2018-2024) > X3 M40i B58A (2018-2019)
X4 Series
G02 X4 (2019-2024) > X4 M40i B58A (2018-2019)
