This part is listed by BMW as BMW part numbers 51192412409/51192412406/51192412405/51192469556 and is described as G30/G31 Pre-LCI & LCI M Performance Diffuser.
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This splitter can not be used on Non M Sport Models, model years 2017+
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us 01977 704798.
BMW Fitments:
5 Series
G30/G31 (2017+) > 520i/d
G30/G31 (2017+) > 520i/d xDrive
G30/G31 (2017+) > 530i/d
G30/G31 (2017 +) > 530i/d xDrive
G30/G31 (2017+) > 540i/d
G30/G31 (2017+) > 540i xDrive