This part is listed by BMW as BMW part number 11538674931 (11 53 8 674 931) and is described as the O-Ring (28.7x2.5mm or 29x2.5mm) for the water pipe from the water pump to the cylinder head on B46D, B58C, and B58D (B58TU) engines. This seals the pipe to the cylinder head.
A new pipe will include new o-rings. If you need the lower o-ring to the water pump, BMW part #11538678045, see Related Items below.
This is a Genuine BMW O-Ring 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:
2 Series
G42 / G43 (2022+) > 230i
G42 / G43 (2022+) > 230i xDrive
G42 / G43 (2022+) > M240i
G42 / G43 (2022+) > M240i xDrive
2 Series
G87 (2023-) > M2 Racing
3 Series
G20 (2019+) > 330e
G20 (2019+) > 330e xDrive
G20 (2019+) > 330i B46D (2019-2024)
G20 (2019+) > 330i xDrive B46D (2019-2024)
G20 (2019+) > M340i B58D (2019-2024)
G20 (2019+) > M340i xDrive B58D (2019-2024)
4 Series
G22 / G23 (2021+) > 430i B46D (2021-2024)
G22 / G23 (2021+) > 430i xDrive B46D (2021-2024)
G22 / G23 (2021+) > M440i B58D (2021-2024)
G22 / G23 (2021+) > M440i xDrive B58D (2021-2024)
4 Series
G26 (2022+) > 430i Gran Coupe B46D (2022-2024)
G26 (2022+) > 430i xDrive Gran Coupe B46D (2022-2024)
G26 (2022+) > M440i xDrive Gran Coupe B58D (2022-2024)
G30 (2017-2023) > 540i B58C (2020-2023)
G30 (2017-2023) > 540i xDrive B58C (2020-2023)
7 Series
G12 (2016-2022) > 740i
G12 (2016-2022) > 740i xDrive
8 Series
G14 / G15 / G16 (2019+) > 840i xDrive
X3 Series
G01 X3 (2018-2024) > X3 M40i B58D (2020-2024)
G01 X3 (2018-2024) > X3 sDrive30i (2020-2024)
G01 X3 (2018-2024) > X3 xDrive30i (2018-2019)
G01 X3 (2018-2024) > X3 xDrive30i (2020-2024)
X4 Series
G02 X4 (2019-2025) > X4 M40i B58D (2020-2025)
G02 X4 (2019-2025) > X4 xDrive30i (2018-2019)
G02 X4 (2019-2025) > X4 xDrive30i (2020-2025)
X5 Series
G05 X5 (2019+) > X5 sDrive40i RWD B58C (2019-2023)
G05 X5 (2019+) > X5 xDrive40i B58C (2019-2023)
X6 Series
G06 X6 (2020+) > X6 sDrive 40i B58C (2020-2023)
G06 X6 (2020+) > X6 xDrive 40i B58C (2020-2023)
X7 Series
G07 X7 (2019+) > X7 xDrive40i B58C (2019-2022)
Z Series
G29 Z4 (2019-2026) > Z4 M40i
G29 Z4 (2019-2026) > Z4 sDrive30i
