do88 turbo inlet pipe for 2019–2020 BMW M2 Competition (F87) and 2015–2020 BMW M3/M4 (F8X) is specified as an OEM 41mm inlet pipe. The overview presents the part as a turbo inlet connection tailored to those BMW applications, includes the explicit model and year fitment, and cites the 41mm OEM sizing present in the source, avoiding added performance claims.

do88 19-20 BMW M2 Comp (F87)/15-20 BMW M3/M4 (F8X) Turbo Inlet Pipe - OEM 41mm