DINANTRONICS Performance Tuner Stage 4 for BMW F22 M235i



SKU: D440-1641-ST4-2

You Save 10% ($217.05)

All orders will include an AutoTalent window decal



DINANTRONICS™ Performance Tuner is a highly engineered and sophisticated piece of computer hardware and software that enhances engine performance, without ineffectively or invalidate your new car warranty coverage and without affecting long term reliability or the functionality of on-board diagnostic systems. It is also the only tuning device emissions legal in all 50 states. The objective of developing this piece of technology was to provide the ability to control every signal entering and exiting the BMW factory Engine Control Unit. These items are unique to Dinan and together they embody the apex of performance engineering in a powerful, reliable, and warrantied package. 

Stage 4 (DINANTRONICS Performance Tuner in conjunction with Dinan® Intake, Exhaust, Intercooler & Big Turbo) Maximum Power: 445 HP, 455 lb-ft of torque. The F23 application numbers will be slightly lower since an intake is not available on that platform. 

Intercooler and Big Turbo required in order to run Stage 4 DINANTRONICS.


  • 2014-2016 BMW M235i & xDrive F22 Coupe 
Product Specifications:
Labor Hours/Installation Hours 1.50
Emission Status 50 State Emissions Legal. California Air Resources Board Executive Order Number D-176-42.
Max HP Gain 128 @ 6000 RPM
Max Torque Gain 113 @ 6000 RPM
Peak Horsepower 445 @ 6000 RPM
Peak Torque 455 @ 3000 RPM
Factory Rated HP 320 (326 Measured)
Factory Rated Torque 330 (379 Measured)
Included Notes DINANTRONICS Performance Tuner, Dinan wiring harness, Dinan Stage 4 software
Required Items Dinan Dual Core Intercooler and Big Turbo for BMW F22 F23 M235i are required. Dinan Carbon Fiber Cold Air Intake (if applicable) for BMW F22 F23 M235i is highly recommended. Dinan Free Flow Stainless Exhaust for BMW F22 M235i is recommended.