Dinan D440-0201-W is a plug-and-play Power Control Unit for BMW B58 Gen 3 TU2 applications. Dinan lists fitment for 2025-2026 M340i and M440i, 2024-2026 540i, 2023-2026 740i, 2025-2026 X3 M50i, 2024-2026 X5 40i and X6 40i, and 2023-2026 X7 40i. The inline module works with the factory ECU and is designed for installation without permanently modifying the vehicle. Dinan states that the unit can be reverted to stock or transferred between compatible vehicles and includes factory-matching warranty coverage. Dinan currently lists this product as not legal for sale or use in California while CARB testing is pending.