Dinan Stage 2 Performance Engine Software-Boost Upgrade Kit – 650i for BMW 650i Convertible F12 650i & xDrive F13 2012 (DIY)


After many hours of further research, tuning and testing Dinan have improved on their hugely popular Stage 1 Performance Software.  Their team was able to make Stage 2 much faster by improving turbo response across the power-band. This tuning is especially noticeable in the first two gears, now catapulting the car off the line. Tuned for a smooth power-band to put down predictable and even power in all gears and throttle positions.  This smoothness improves the quality of the shifting and the overall drivability.

With Dinan’s software, your BMW will be capable of achieving its natural top speed as the governor has been removed. Dinan matches the new car warranty coverage for up to 4 years or 50,000 miles, including the possibility of consequential damages. No one offers better performance or backs it up with such comprehensive warranty coverage.


When ordering please ensure you have your VIN ready for the checkout process. It is crucial that it is typed in accurately and completely at that time.

While we offer the DIY kits in the stage 1 form, the additional stages will need to be purchased and installed at an authorized dealer as they require hard parts to function properly. 

Special Note: 2012 models only.


  • 2012 BMW 650i Convertible
  • 2012 BMW 650i Coupe
  • 2012 BMW 650i xDrive Convertible
  • 2012 BMW 650i xDrive Coupe
Product Specifications:
Labor Hours/Installation Hours 0.50
Emission Status 50 State Emissions Legal.
California Air Resources Board Executive Order Number D-176-37 through 2012 models. For model years 2013 and newer paperwork is in process for CARB approval. This product is in compliance with U.S. EPA Memorandum 1A, or this product has not been found, nor is believed to be, unlawful for use under the provisions of the Clean Air Act.
Max HP Gain 95 @ 6000 RPM
Max Torque Gain 87 @ 3500 RPM
Peak Horsepower 494 @ 5000 RPM
Peak Torque 579 @ 3500 RPM
Peak HP Gain 57 @ 5000 RPM
Peak Torque Gain 87 @ 3500 RPM
Factory Rated HP 400 @ 5500 RPM
Factory Rated Torque 450 @ 1750 RPM
Included Notes OBD2 to Ethernet Adapter and Ethernet to USB Adapter.
Required Items Windows 7 or newer Laptop with a USB connector and an internet connection.