Dinan D440-0201 - PCU - BMW B58 Gen 3 Engine (TU2)

Dinan D440-0201 - PCU - BMW B58 Gen 3 Engine (TU2)

Dinan PCU - BMW B58 Gen 3 Engine (TU2)

Vehicle Fitments: 2025-2026 M340i, 2025-2026 M440i, 2024-2026 540i, 2023-2026 740i, 2025-2026 X3 M50i, 2024-2026 X5 40i, 2024-2026 X6 40i, 2023-2026 X7 40i

All told, a true Dinan product developed wholly from the ground up; engineered, calibrated, and made in America—this is not the competition’s product.

• Up to +54 HP and +66 LB-FT at the wheel (on Premium Fuel)
• Bluetooth connectivity and control via free iOS or Android PCU apps
• Multiple power levels, plus stock, to choose from
• Designed for peak performance utilizing pump gas fueling, 91 octane tuning (levels 1-3), and 93 octane tuning (Levels 4-5)
• Improves power and torque across the entire RPM range
• Customizable in-app gauges
• Real-time logging up to 20 (16 max at one time) parameters courtesy of CAN/OBDII integration and the supplied PCU app
• Logs can be viewed directly in the PCU app or exported/emailed as a CSV file for more detailed scrutiny
• Boost by gear user customization to reduce unwanted wheel spin in lower gears
• Read and clear fault codes as well as check emissions readiness
• Retains all factory safeguards and works flawlessly with onboard emissions controls
• Unaffected by factory updates
• Plug-and-play installation
• Unplug and go back to stock at any time or transfer the unit (Not VIN locked)
• Designed, developed and manufactured entirely in the USA
• Available with a factory-matching 4-YR, 50,000 mile Dinan warranty (D440-0201-W) or a 2-YR, unlimited mileage product warranty (D440-0201)