Maxxtuning AB
Maxxtuning AB (trading as MaxxECU)
MaxxECU is the Swedish ECU brand of Maxxtuning AB, which tunes engines and also develops and manufactures its own MaxxECU engine control systems. Its range (MINI, STREET, SPORT, RACE, RACE H2O, PRO, and newer GEN2 RACE/TRACK) is tuned with the free MTune software, which gets frequent updates.
History
- 2007Maxxtuning AB founded (Swedish company registry data via aggregator)
- 2020Earliest entries on MaxxECU's public release-notes page: MTune 1.129 (3 Jul 2020)
- 2025MTune 1.154 (Jun 2025): updates now install inside MTune when online, no full installer needed
- 2026MTune 1.161.3 released 22 Aug 2026
- 2026Range: GEN2 RACE and GEN2 TRACK marked 'New'; the original MaxxECU V1 discontinued and replaced by MaxxECU RACE
Contact
- Address
- Gästgivaregatan 17, 576 96 Vrigstad, Sweden (company registry data via third-party aggregator; not published on maxxecu.com)
- Phone
- Not published
- Not published
- Website
- www.maxxecu.com
- Contact
- Contact page ↗
Tuning software
- Current
- MTune 1.161.3 (released 2026-08-22); also MDash
- Cost
- Free; MaxxECU says it releases free software updates regularly
- Download
- Official download page ↗
- Old versions
- No public archive found
Software history
- 2020MTune 1.129-1.132 · Earliest versions on the public release-notes page (Jul 2020)
- 2025MTune 1.154 · In-app patching introduced
- 2026MTune 1.161.3 · Current; 1.161 added Ford Mustang S550 CAN integration
Links go to the maker's own download pages. Installers are not hosted here.
MaxxECU ECUs
10 current · 133 model-specific plug-in fitments. Cheapest first.
MaxxECU
MidPlug-in
RACE Plug-in ECU range
from US$1,774US$1,774 list
8INJ
8IGN
2DBW
1λ WB
8MAX CYL
2KNOCK
1CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
MaxxECU
ProPlug-in
RACE H2O Plug-in STANDARD (Ford Focus RS/ST Mk2)
US$1,958US$1,958 list
–INJ
–IGN
1DBW
1λ WB
–MAX CYL
2KNOCK
–CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
MaxxECU
MidWire-in
GEN2 TRACK
US$1,998US$1,998 list
8INJ
8IGN
2DBW
2λ WB
8MAX CYL
2KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
MaxxECU
ProPlug-in
RACE H2O Plug-in EXTRA (Audi S3/A4 1.8T ME7.5)
US$2,073US$2,073 list
–INJ
–IGN
1DBW
1λ WB
–MAX CYL
2KNOCK
–CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Cars with a MaxxECU plug-in
23 model families. Pick yours to compare every brand's plug-in for it.
Audi A3 / S3Audi A4 / S4 / RS4Audi S2 / RS2Audi S6Audi TT / TTS / TT RSBMW 3 Series / M3BMW 5 SeriesBMW 7 SeriesBMW X5BMW Z3BMW Z4Chevrolet CorvetteFord Focus RS / STFord MustangMitsubishi Lancer EvolutionNissan Silvia / 180SX / 200SX / 240SXNissan Skyline (non-GT-R)Nissan Skyline GT-R (R32–R34)Porsche 911 Turbo / GT2SEAT LeonSkoda OctaviaToyota SupraVolkswagen Golf









