fits model: M3, M4, S55, Turbo, Twin. make: Bmw. year: 2015–2018.

( Manufacturer Part Number: D440-1644B-ST2 ), ( Part Type: Ecu ), ( Country/region Of Manufacture: United States )
The D440-1644B-ST2 Dinan Tuning Kit, designed specifically for the 2015-2018 BMW M3 and M4 models equipped with the S55 Twin Turbo engine, is an advanced performance enhancement solution. This kit features DinanTRONICS ECU Tuning, a state-of-the-art engine management system, which allows for precise and safe tuning, ensuring optimal engine performance and reliability.
The DinanTRONICS ECU Tuning system, in this kit, is expertly calibrated to work seamlessly with your vehicle's factory components. It provides significant power gains, including up to 85 additional horsepower and 100 additional lb-ft of torque, for an exhilarating driving experience. The tuning also enhances throttle response, improving overall vehicle performance and responsiveness.
The kit includes a Turner Tuning Kit, which is a high-quality, professional-grade tool that allows you to perform the ECU tuning yourself, if you wish. The Turner Tuning Kit includes a Turner 5002 Tuner, which is an easy-to-use, Windows-based software interface, and the necessary cables to connect the tuner to your vehicle's OBD-II port.
The D440-1644B-ST2 Dinan Tuning Kit is not just about power, but also about safety and reliability. Dinan's extensive research and development ensures that their tuning solutions are safe, reliable, and do not compromise the longevity of your vehicle's components. The kit is also covered by Dinan's industry-leading warranty, providing you with peace of mind.
In conclusion, the D440-1644B-ST2 Dinan Tuning Kit is a comprehensive performance enhancement solution for your 2015-2018 BMW M3 or M4. It delivers significant power gains, enhanced throttle response, and improved overall performance, all while maintaining safety, reliability, and the protection of your vehicle's warranty.
Pros of buying a Dinantronics Ecu Tuning for your 2015-2018 BMW M3/M4 S55 twin turbo:1. Performance Enhancement: Dinantronics tuning can increase horsepower and torque, providing a more powerful and responsive driving experience.
2. Customization: Dinantronics allows for custom tuning to meet your specific driving style and preferences.
3. Improved Fuel Efficiency: In some cases, Dinantronics tuning can improve fuel efficiency, saving you money at the pump.
4. Warranty Compatibility: Dinantronics is a reputable brand and their tuning is often compatible with BMW's factory warranty, providing peace of mind.
Cons of buying a Dinantronics Ecu Tuning for your 2015-2018 BMW M3/M4 S55 twin turbo:1. Cost: Dinantronics tuning can be expensive, with the cost varying depending on the level of tuning you choose.
2. Potential Issues: While Dinantronics is a reputable brand, there is always a risk of potential issues or problems arising from the tuning.
3. Requires Professional Installation: Dinantronics tuning requires professional installation and calibration, which can add to the overall cost.
4. Not Always Legal: In some areas, Dinantronics tuning may not be legal, so it's important to check local laws and regulations before making a purchase.
Recommendation:Dinantronics Ecu Tuning can provide significant performance enhancements and customization options for your 2015-2018 BMW M3/M4 S55 twin turbo. However, it's important to weigh the pros and cons and consider the cost before making a decision. If you're willing to invest in the tuning and are comfortable with the potential risks, then Dinantronics could be a great option for you. However, if you're looking for a more budget-friendly option, there are other less expensive tuning options available. Ultimately, it's important to do your research and make an informed decision that meets your specific needs and preferences.
The ecu is working for sale, reason why i'm selling dinan stage 3 when I purchased vehicle they told me it was but not 100 sure so because my lease up took off to put back stock and return dealer.