Ignitions and Electrical› Computers, Chips, Modules and Programmers

DIYAutoTune

Standalone Engine Management ECU

$1,299.99

SKU: MSPNPPro-MSM0405

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Overview

The DIYAutoTune MSPNPPro-MSM0405 is a fully standalone, plug-and-play engine management solution designed for enhanced performance in motorsports applications. This ECU features a pre-loaded base map to aid in starting and allows for real-time tuning and data logging via a laptop connection. It includes 8 GB of internal data logging storage and supports most aftermarket wideband sensors for accurate adjustments.
Show original supplier description
Enhance your 2004-2005 MazdaSpeed 'NB2' Miata with the MS3Pro Plug & Play ECU, a standalone engine management solution engineered for easy installation and maximum performance. Installation is straightforward, with an average time of under one hour, and it comes with a pre-loaded base map to help your engine start on the first turn of the key. The MS3Pro ECU boasts a comprehensive feature set for precise engine control. It offers 16x16 fuel and ignition tables for high-resolution tuning, multiple acceleration enrichment strategies, closed-loop idle speed control, and Air Conditioner control. It supports 4 sequential fuel injector channels and 4 sequential ignition channels, each with individual trim tables. The unit also allows for the removal of the stock airflow meter, providing greater tuning flexibility. Advanced features include 12x12 air-fuel ratio target tables, VVT support, programmable voltage regulator control, multiple traction control strategies, built-in 3-step rev limiter/launch control, and real-time barometric correction. For boost control, it features an internal 4-bar MAP sensor capable of reading up to 44 PSI, with options for overboost protection, closed-loop boost control, CO2-based boost control, rally-style anti-lag, and water injection control. It also includes a knock sensor input, table switching input for different fuel maps, and a flex fuel sensor input for seamless switching between fuels.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandDIYAutoTune
Part NumberMSPNPPro-MSM0405
CategoryIgnitions and Electrical
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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