DINANTRONICS X Performance Tuner for BMW (F8x) M3 / M4 2015-2020
S55 Engine (A)
The DINANTRONICS X is the latest iteration in Dinan's renowned line of inline tuning modules, offering advanced engine performance enhancements that go beyond the constraints of stock programming. This sophisticated device combines high-quality hardware and software to improve engine capabilities while ensuring long-term reliability and compliance with onboard diagnostic systems.
Key Features
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Performance Enhancements:
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Max Gains: Achieve up to +69 HP and +81 lb-ft of torque at the crank; +62 HP and +73 lb-ft of torque at the wheels (specifically for base model F8x M3/M4).
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Bluetooth Smart Technology:
- Offers seamless connectivity for adjusting power levels directly from your smartphone. Compatible with both Android and iOS devices, with detailed pairing instructions available in the installation resources.
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Refined Tuning Strategy:
- Compared to the entry-level DINANTRONICS SPORT, the X model connects to additional inputs and features an enhanced tuning strategy for greater power output.
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Customizable Power Levels:
- Includes 7 power levels and a bypass setting to cater to various performance needs.
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Smooth Power Delivery:
- Engineered for a seamless and predictable increase in power, ensuring a refined driving experience.
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Diagnostics and Safety Features:
- Maintains onboard diagnostics and factory safeguards, ensuring the system remains intact and functional even after dealer updates.
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Easy Installation:
- Designed for plug-and-play installation, making it accessible for users without extensive mechanical knowledge.
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Satisfaction Guarantee and Warranty:
- Backed by a 14-Day Satisfaction Guarantee and a 1-Year Limited Warranty, ensuring customer confidence in the product.
Important Notes
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Mapping Recommendations:
- Refer to the recommended mapping notice for critical operating information.
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Model Specifics:
- SKU D440-0128 is tailored for the base model F8x M3/M4. For Competition Package vehicles, please use SKU D440-0137.
| Brand |
Dinan |
| Dinan Point Value |
3 |
| Emission Code |
7 |
| Factory Rated HP |
405 (423 Measured) |
| Factory Rated Torque (lb-ft) |
406 (411 Measured) |
| Labor Time (Hours) |
1 |
| Max HP Gain |
69 @ 4500 RPM |
| Max Torque (lb-ft) Gain |
81 @ 4500 RPM |
| Peak HP |
485 @ 6000 RPM |
| Peak HP Gain |
61 @ 7000 RPM |
| Peak Torque (lb-ft) |
490 @ 4000 RPM |
| Peak Torque (lb-ft) Gain |
80 @ 4000 RPM |
| Product Type |
Inline Module |
| Warranty |
Limited 1 Year Warranty |
| UPC |
813725029337 |
| Part Number |
D440-0128 |
Fitment Chart:
| Make |
Model |
Year |
BMW
|
M3
|
2015-2018
|
|
BMW |
M4 |
2015-2020
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⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Our experts will review your specifications and provide written confirmation for your build.
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Secure Shipping:
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We offer FREE Ground Shipping within the 48 contiguous United States. Most in stock orders process within 48 hours. For your security, high value performance parts require a signature upon delivery to ensure they reach you safely.
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Transit Protection:
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Please inspect your order immediately. Damage must be reported within 48 hours. For freight/LTL items, if you cannot inspect the contents immediately, please write "Subject to Inspection" on the delivery receipt before signing.
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Flexible Returns:
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Unused items in brand new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand new, untampered components, parts that have been installed, modified, or used are non returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Need assistance? Reach out via our
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Fitment Guarantee
Fitment guides and tools are helpful, but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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If this product doesn't list your specific vehicle data, simply reach out to support@autohousesupply.com. We will manually verify compatibility for you.
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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