ECU Shootout
Mazda Mazdaspeed3
Photo: M 93 · CC BY-SA 3.0 de · Wikimedia Commons ↗

Mazda Mazdaspeed3 standalone ECUs

Mazda's front-wheel-drive turbo hatchback, sold from 2007 to 2013 with the 2.3-litre direct-injection MZR DISI engine.

Chassis
BK · BL
Years
2007–2013
Engines
MZR 2.3 DISI turbo (L3-VDT)
Layout
4-cylinder, FWD

You have 2 plug-in ECU options for the Mazda Mazdaspeed3 from MoTeC. The cheapest complete setup is MoTeC at US$6,895 including the ECU. 63 wire-in ECUs can also run its 4-cylinder engine with a custom loom, from US$155.

Prices checked and include the ECU.

Your options for this car

New to this? Three ways to fit an aftermarket ECU explains each one in five minutes.

Plug-in ECUs for the Mazda Mazdaspeed3

2 options, cheapest first. Each one links to its full specs and sellers.

2 options
MoTeC

2007-2009 Mazdaspeed 3 PNP Kit (M142 Gen1)

BK2007–2009MZR 2.3 DISI turbo (L3-VDT)

MoTeC USA kit (not on motec.com.au targeted list); Integration patch harness; GPR-DI based

CheapestSwap / patch loom
US$6,895Dealer list price (USD) from Gspeed (MoTeC USA dealerMoTeC M142 specs & sellers →Maker's page ↗
MoTeC

2010-2013 Mazdaspeed 3 PNP Kit (M142 Gen2)

BL2010–2013MZR 2.3 DISI turbo (L3-VDT)

MoTeC USA kit (not on motec.com.au targeted list); Integration patch harness; GPR-DI based

CheapestSwap / patch loom
US$6,895Dealer list price (USD) from Gspeed (MoTeC USA dealerMoTeC M142 specs & sellers →Maker's page ↗

Wire-in ECUs that can run this engine

Cheapest current unit from each brand with at least 4 injector and ignition outputs, so it runs fully sequential.

Add a loom: built by your tuner or a loom maker. Filter every wire-in ECU by features and price

Find a tuner for these ECUs

Shops with their own dyno that tune the brands above.

About the makers: MoTeC

Other Mazda models