SM3+ ECU


Our leading SM3+ a full replacement for the original EFI System  with a very strong feature set, state of the art electronics designed to withstand some of the toughest conditions and still provide enough I/O to precisely control and tune your engine over a high speed on-board bluetooth or USB connection!

It's based around the MegaSquirt3 firmware but with refind electronics and a custom software .INI-file for our SM3, making it much more user/install friendly!

Special request and/or (PnP)boards are possible contact us for more info!


SM3+ is:

  • User/install friendly
  • Waterproof
  • Small footprint
  • Rich functionality (Lambda-controller, double Knock, EGT, Bluetooth/USB connection, onboard dataloging+RTC)
  • Affordable
  • KdFi1.4 upgrade compatible


Product Compare (0)


SM3+ PNP

SM3+ PNP

Coming soon!M50early-M50late-M50TU-M52 BMW PlatformsXU-TU 16V PSA PlatformsThe SM3+ Plug&Play’s ..

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ECU Wiring & Installation Service

ECU Wiring & Installation Service

Universal "Wire-in" a custom ECU wiring harness made specifically for your car. This option is ..

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Rolling Road & tuning service on site

Rolling Road & tuning service on site

On site service.As a guide line;Cars in mechanical and electronic good conditions take 2-3hours to m..

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SM3+ ECU 90pin connector

SM3+ ECU 90pin connector

Replacement or additional 90pin connector for the SM3+ ECU.Perfect when swapping SM3+ ECU between mu..

24.99€ Ex Tax: 20.65€

SM3+ Motronic DIY PCB Kperformance

SM3+ Motronic DIY PCB Kperformance

A Universal Motronic DIY basis PCB. With this custom board you can now easily convert any 55pin (3ro..

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SM3+ Wiring Loom

SM3+ Wiring Loom

Universal automotive graded "Wire-in" loom, designed around the pinout of the SM3+ ECU but also univ..

119.99€ Ex Tax: 99.17€

Tiny Acceleration Sensor

Tiny Acceleration Sensor

The Tiny Acceleration Sensor is an 2 axis +-3G accelerometer, with 2x 5V analog outputs. It featur..

60.49€ Ex Tax: 49.99€

SM3+ ECU

SM3+ ECU

SM3+ ECU! Our leading SM3 a full replacement for the original EFI System  with a very stro..

669.99€ Ex Tax: 553.71€

SM3+ ECU Module

SM3+ ECU Module

NEW RELEASE WITH ONBOARD 1GB DATALOGING AND RTC(REAL TIME CLOCK)Retro-fit-able on all existing KData..

361.79€ Ex Tax: 299.00€

SM3+ Wire-IN ECU

SM3+ Wire-IN ECU

SM3+ Wire-IN ECU! Our leading SM3 a full replacement for the original EFI System  with a v..

449.99€ Ex Tax: 371.89€

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