This is a Genuine BMW Oxygen Sensor, which is used Before Catalytic Converter (pre-Cat) on the exhaust bank 1, and it's considered Sensor 1.
S55 Engine Only. This O2 sensor is specific to the S55 powered BMWs.
This part is listed by BMW as BMW part number 11787848482 (11 78 7 848 482) and is described as Genuine BMW F80 M3, F82 M4 Lambda Probe - 11787848482.
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
F87 (2016-2021) > M2 Competition S55 (2019+)
3 Series
F80 (2015-2018) > M3 (2015-2018)
4 Series
F82 / F83 (2015-2020) > M4 (2015-2020)
F82 / F83 (2015-2020) > M4 GT4
F82 / F83 (2015-2020) > M4 GTS
