Add adjustable power to your S58 BMW with the Dinan Power Control Unit. This external module connects between selected engine sensors and the factory ECU. It is not an ECU flash.
Vehicle fitment
- 2021 to 2026 BMW M3 Sedan, G80
- 2021 to 2026 BMW M4 Coupe, G82
- 2021 to 2026 BMW M4 Convertible, G83
For vehicles equipped with the S58 engine.
Features
- Five performance levels plus a stock setting
- Bluetooth control through the Dinan PCU app for iOS and Android
- Levels 1 to 3 for 91 octane; levels 4 to 5 for 93 octane
- Adjustable boost by gear, live gauges, data logging, and fault code reading and clearing
- Mounting hardware included
Warranty and installation
D440-0200 includes Dinan's two year, unlimited mileage product warranty. This is the standard PCU, not the Dinan+ version with factory matching coverage. Manufacturer terms apply. Professional installation is available separately.
Emissions restriction
Not legal for sale or use in California.