Dinan - D440-0155 - DINANTRONICS X - 2021-2025 BMW M3/M4

NOTE(S): (1) Please refer to the recommended mapping notice below for important operating information. (2) Fitment for D440-0155 is limited to the base G8x M3/M4 with the S58 engine. For a G8x M3/M4 equipped with the competiton package please use SKU D440-0156.