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
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Power Gains:
- Achieves maximum gains of +60 HP and +91 lb-ft torque (crank); +55 HP and +80 lb-ft torque (wheel).
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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.
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7 Power Levels + Bypass:
- Choose from 7 adjustable power levels plus a bypass setting for flexibility in performance needs and driving preferences.
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Refined Tuning Strategy:
- Unlike the entry-level DINANTRONICS SPORT, the X model connects to additional inputs, enabling a more precise and powerful tuning strategy.
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Smooth and Predictable Power Delivery:
- Provides consistent power output for a smooth driving experience with predictable throttle response.
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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.
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Plug-and-Play Installation:
- Easy installation with a straightforward plug-and-play design, eliminating the need for complex ECU reprogramming.
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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
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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.
| Brand |
Dinan |
| Dinan Point Value |
3 |
| Emission Code |
7 |
| Factory Rated HP |
382 (411 Measured) |
| Factory Rated Torque (lb-ft) |
368 (418 Measured) |
| Labor Time (Hours) |
1 |
| Max HP Gain |
60 @ 3500 RPM |
| Max Torque (lb-ft) Gain |
91 @ 3500 RPM |
| Peak HP |
444 @ 5500 RPM |
| Peak HP Gain |
26 @ 6000 RPM |
| Peak Torque (lb-ft) |
509 @ 3500 RPM |
| Peak Torque (lb-ft) Gain |
91 @ 3500 RPM |
| Product Type |
Inline Module |
| Sale Category |
Tuners and Programmers |
| Warranty |
Limited 1 Year Warranty |
| UPC |
810065214409 |
| Part Number |
D440-0153 |
Fitment Chart:
| Make |
Model |
Year |
BMW
|
M240i
|
2023-2024
|
|
BMW |
M240i xDrive |
2022-2024
|
|
BMW |
M340i |
2021-2024 |
|
BMW |
M340i xDrive |
2021-2024 |
|
BMW |
M440i |
2021-2025 |
|
BMW |
M440i Gran Coupe |
2022-2024 |
|
BMW |
M440i xDrive |
2021-2025 |
|
BMW |
M440i xDrive Gran Coupe |
2022-2024 |
|
BMW |
X3 M40i |
2020-2024 |
|
BMW |
X4 M40i |
2020-2025 |
|
BMW |
Z4 M40i |
2019-2025 |
⚠️ 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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To qualify for our Fitment Guarantee, please email your vehicle’s Year, Make, Model, and any existing modifications to:
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Our experts will review your specifications and provide written confirmation for your build.
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For tracking updates or status inquiries on existing orders, please reach out via our Contact Form. Having your order number ready will allow us to provide the most efficient update.
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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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