SM3+ ECU

We've released a beta-V2-version.

All SM3+ products will be upgraded to the V2 as soon as stock runs out

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 ..

649.00€ Ex Tax: 536.36€

Tiny EGT Controller CANbus

Tiny EGT Controller CANbus

Lowered Price -> Proto small issue with the EGT input connectors installed too close togethe..

150.00€ 204.19€ Ex Tax: 123.97€

ECU Wiring & Installation Service

ECU Wiring & Installation Service

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

72.60€ Ex Tax: 60.00€

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..

90.75€ Ex Tax: 75.00€

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..

159.99€ Ex Tax: 132.22€

SM3+ V2 Elite ECU

SM3+ V2 Elite ECU

Revolutionize your racing performance with the SM3+ V2 Elite ECU standalone unit. Engineered for the..

779.99€ Ex Tax: 644.62€

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€

SM3+ ECU

SM3+ ECU

Take your racing performance to the next level with the SM3+ ECU standalone unit. Engineered for the..

609.99€ 659.99€ Ex Tax: 504.12€

SM3+ ECU Module

SM3+ ECU Module

Retro-fit-able on all existing KData KdFi1.4 ECU's. Installation takes a couple of seco..

349.00€ 358.99€ Ex Tax: 288.43€

SM3+ V2 ECU Module

SM3+ V2 ECU Module

Introducing the New SM3+ V2 ECU Module (FULL 8 Sequential)Maximize your vehicle’s potential with..

379.34€ Ex Tax: 313.50€

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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