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McCormick X4

Power 70 HP / 51 kW
Engine code C5VT77E
Version X4.30 2.9L
Model year(s) 2022
Control unit Bosch MD1CC878ECU
Protocols
  • Bench1630

Live ECU tuning for the McCormick X4, with measured power and torque gains, a dyno preview, and the supported file options grouped into one focused page.

Stock Tuned Gain
Power (HP) 70 100 +30 (+43%)
Torque (Nm) 271 320 +49 (+18%)

Available tuning options

Performance 2

Tune

Towing | Power

VGT delete

Emissions & anti-pollution 4

DPF off We take no responsibility for legal actions as a result of disabling a DPF system, this may be illegal in your country. You must perform a forced regeneration or reset all DPF levels before reading the ECU. DPF must be removed after.

EGR off We take no responsibility for legal actions as a result of disabling a EGR system, this may be illegal in your country.

AdBlue / SCR off We take no responsibility for legal actions as a result of disabling a SCR / ADBLUE / DEF system, this may be illegal in your country.

DTC You must clear codes before writing tuned file.

Driveability & comfort 2

Speed limit raised We take no responsibility for legal actions as a result of a raised speed limiter, this may be illegal in your country.

Exhaust flap off

Services, files & hardware 2

Send us your ECU Includes standard bench fee processing for 1 ECU and NZ return freight. Include a send in ECU form fully filled out with your ECU.

Return file to original

Dyno chart

Original HP Tuned HP

* This chart should be considered a visual representation only, actual values will vary.

Installation and process

Choose the tuning package that fits your goals, confirm the vehicle and ECU, and request your files. AltTune then guides the read, write, and verification steps for your selected vehicle — whether handled remotely with a supported flash tool or on the bench.

Support, safety, and trust

Vehicle condition, maintenance history, fuel quality, and intended use all affect results. We only publish gains we can support for the listed configuration, and we ask that you confirm suitability for your vehicle and application before ordering.

Frequently asked questions

01 Is the McCormick X4 supported?

This page is generated for an active vehicle in the AltTune catalogue, so it represents a currently supported tuning entry. If your exact ECU differs, contact us to confirm before ordering.

02 What options are available for this vehicle?

The resolved options for this vehicle include Send us your ECU, Tune, DPF off, EGR off, AdBlue / SCR off, Return file to original. The exact list depends on the vehicle type, fuel, and supported protocols.

03 What gains can I expect?

This vehicle shows gains of up to +30 HP and +49 Nm over the factory figures. Real-world results vary with condition and fuel.