Its BMW part 11428575211. Note your Plus Four is part of CX series so future posts should be in that section for better response.

[Linked Image]

Note there were alternatives for transverse mount B48 engines which may have led to confusion.

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone