DINANTRONICS X Performance Tuner - BMW M235i/335i/435i/535i/640i, X Series (11-19)

The DINANTRONICS X Performance Tuner is the latest evolution in Dinan’s line of inline tuning modules, designed to safely unlock hidden power from BMW’s N55 engine. It delivers significant performance gains while preserving factory reliability, diagnostic functionality, and drivability.

Building on Dinan’s decades of engineering experience, the X module connects directly to multiple engine sensors, adjusting fuel, boost, and timing to extract more power with smooth, predictable delivery. Through Bluetooth Smartconnectivity, the DINANTRONICS X lets you switch between seven power levels and a bypass mode using your smartphone — giving you full control over your vehicle’s performance anytime, anywhere.

Performance Gains:

• Maximum Crank Gains: +47 HP / +55 lb-ft

• Maximum Wheel Gains: +42 HP / +51 lb-ft

• Smooth, Progressive Power Curve: Improved throttle response and midrange torque

Key Features:

• Bluetooth Smart Connectivity: Adjust performance levels via the free DINAN app (iOS / Android)

• Seven Power Levels + Bypass Mode: Choose your ideal balance between performance and comfort

• Plug-and-Play Installation: Installs easily with no ECU flash or permanent modifications

• Factory Safeguards Maintained: OEM diagnostics, safety limits, and fault detection remain intact

• Dealer Update Safe: Unaffected by factory software updates

• 14-Day Satisfaction Guarantee

• 1-Year Limited Warranty

Note: Refer to the included installation guide for recommended mapping and app pairing instructions.

Technical Highlights:

• Multi-sensor tuning strategy for precise fuel, boost, and ignition management

• Maintains OEM reliability and emissions compliance under recommended use

• Compact, weather-resistant module with OEM-grade connectors

• Fully reversible installation in minutes

Vehicle Compatibility

BMW (N55 Engine | 2011–2019):

• 2 Series – M235i

• 3 Series – 335i

• 4 Series – 435i

• 5 Series – 535i

• 6 Series – 640i

• X3 / X4 / X5 / X6