EXPERIENCE HIGH-END ENGINE TUNING SERVICE WITH INDUSTRY PROFESSIONALS IN ECU PROGRAMMING SERVICES & TECHNOLOGIES

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Dealer update:
Make

Dealer update:
Make way for British nobility and pure, unadulterated muscle! We are thrilled to announce that the Denso P5.0SC ECU is now officially supported on your AutoTuner Tool.
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This protocol grants you access to one of the most iconic powertrains from the Jaguar Land Rover group: the mighty 5.0 V8, and most notably its hyper-potent Supercharged variant. Whether you want to unleash the fierce temperament of the Jaguar XFR and XKR-S, or deliver monstrous torque to a Range Rover Sport, you now have the perfect solution to transform these exceptional premium vehicles.
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⚡ Method: 100% OBD (Normal Read – NR) Total simplicity. Securely read and write the ECU directly through the diagnostic port of these luxury performance monsters using your Tool — no hardware removal required.
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Supported Highlights (5.0 V8 NA & Supercharged Engines):
Jaguar (R & Sport Series): XF / XFR, XJ, XK Coupe / XKR / XKR-S
Land-Rover (Prestige & Luxury Off-road): Range Rover, Range Rover Sport
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Update your Tool today and master the power of British supercharged V8s!
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🎯 Want to Offer Tuning at Your Workshop?
Join our growing dealer network and unlock new revenue streams with full support from Xtremetuning NZ.
📩 Become a Dealer: xtremetuning.co.nz/become-a-dealer
💬 Message us on Facebook
📧 info@xtremetuning.co.nz
📞 0272099992
🌐 xtremetuning.co.nz
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Dealer update:
Step

Dealer update:
Step back into the 2000s with an update dedicated to the queens of the city! We are thrilled to announce that the Bosch EDG15C ECU is now officially supported on your AutoTuner Tool.

This protocol allows you to work on the legendary Smart ForTwo equipped with the 0.8 CDI engine. Known for their extreme compactness, these city cars gain massively in drivability, low-end torque, and smoothness once optimized, making them perfect to tackle the daily urban jungle.

⚡ Method: 100% OBD (Normal Read – NR) Forget about tedious procedures or ECU removal! Simply plug your tool into the diagnostic port, read, and write. A simple, fast, and highly efficient solution for your workshop.

Supported Vehicles (0.8 CDI Engine):
Smart ForTwo (1998)
Smart ForTwo – City (2002)

Give your customers’ city cars an extra punch in the blink of an eye!
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🎯 Want to Offer Tuning at Your Workshop?
Join our growing dealer network and unlock new revenue streams with full support from Xtremetuning NZ.
📩 Become a Dealer: xtremetuning.co.nz/become-a-dealer
💬 Message us on Facebook
📧 info@xtremetuning.co.nz
📞 0272099992
🌐 xtremetuning.co.nz
Update your tool today and master the power of VTEC! See less
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Dealer update:  An e

Dealer update:

An essential new update for fans of the Japanese brand has arrived on your AutoTuner Tool! We are proud to announce official support for the Denso Gen3 ECUs (SH72543 and SH72546 microcontrollers).

This protocol opens the doors to Mazda’s famous Skyactiv-G (Petrol) and Skyactiv-D (Diesel) engine technology. Whether you want to spice up the legendary MX5, give more torque to the CX SUV lineup, or optimize fuel consumption on their sedans, you now have the perfect solution.

⚡ Method: 100% OBD (Normal Read – NR) Leave your removal tools in the drawer! You can now read and write these ECUs directly through the vehicle’s diagnostic port. A massive boost in time-saving and efficiency for your workshop.

Supported Highlights:
Petrol Engines (1.5 & 2.0 Skyactiv-G): Mazda 3, Mazda 6, CX-3, CX-5, and MX5.
Diesel Engines (1.5 & 2.2 Skyactiv-D): Mazda 2, Mazda 3, Mazda 6, CX-3, and CX-5.

Update your tool today and unleash the true potential of Mazda’s Jinba Ittai (the oneness between car and driver)!
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🎯 Want to Offer Tuning at Your Workshop?
Join our growing dealer network and unlock new revenue streams with full support from Xtremetuning NZ.
📩 Become a Dealer: xtremetuning.co.nz/become-a-dealer
💬 Message us on Facebook
📧 info@xtremetuning.co.nz
📞 0272099992
🌐 xtremetuning.co.nz
Update your tool today and master the power of VTEC! See less
See MoreSee Less

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Why Choose Us

Why us?

At Xtremetuning we strive to provide a unique driving experience through ECU remapping, by paying attention to the details and giving an individualized service – informing you of all expenses and requirements before work commences. By utilizing both mechanical and advanced computer programming skills, combined with the network of local partners, we aim to be one of the leading ECU chiptuning companies in New Zealand.

Daily updates with the latest files

More than 650.200 files available on our server

Onsite and Offsite tuning

AdBlue / DPF / EGR and other emission coding

9am - 7pm support,
6 days a week

Wellington and Marlborough based RETAIL locations

Remote tuning opportunity for dealerships

Commercial TRUCK and AGRICULTURAL vehicle programming