DINANTRONICS X Performance Tuner for BMW M240i / M340i / M440i / X3 / X4 / Z4 M40i 2020-2025

B58TU Engine (B)

The DINANTRONICS X represents the latest advancement in Dinan’s lineup of inline tuning modules, designed to elevate engine performance beyond stock limits without compromising reliability or on-board diagnostic systems. It integrates seamlessly with the vehicle, using a sophisticated blend of hardware and software to unlock new performance levels. A standout feature of the DINANTRONICS X is its Bluetooth capability, enabling power level adjustments from your smartphone, giving you full control in the palm of your hand.

Features & Benefits

• Power Gains:

  • Achieves maximum gains of +60 HP and +91 lb-ft torque (crank); +55 HP and +80 lb-ft torque (wheel).

• Bluetooth Smart Control:

  • Compatible with both Android and iOS devices, allowing you to easily manage power settings through the Dinan app. Detailed instructions for app download and pairing are included under the "Tech Resources" section.

• 7 Power Levels + Bypass:

  • Choose from 7 adjustable power levels plus a bypass setting for flexibility in performance needs and driving preferences.

• Refined Tuning Strategy:

  • Unlike the entry-level DINANTRONICS SPORT, the X model connects to additional inputs, enabling a more precise and powerful tuning strategy.

• Smooth and Predictable Power Delivery:

  • Provides consistent power output for a smooth driving experience with predictable throttle response.

• Factory Safeguards Intact:

  • Retains full functionality of on-board diagnostics and factory safeguards, ensuring that your vehicle remains compliant with dealer updates and safety protocols.

• Plug-and-Play Installation:

  • Easy installation with a straightforward plug-and-play design, eliminating the need for complex ECU reprogramming.

• Satisfaction Guarantee and Warranty:

  • Comes with a 14-day satisfaction guarantee and a 1-year limited warranty for added peace of mind.

Important Fitment Notes

• D440-0152 is the recommended part for the 2020 M340i. For other model years, please use D440-0153.
• Ensure you refer to the recommended mapping notice below for specific operating guidelines.