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

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Dealer update! A pra

Dealer update! A practical and highly efficient update is joining your AutoTuner Tool! We are pleased to announce support for the Siemens SIM266 ECU, equipped in Mercedes-Benz compact petrol models.

This protocol allows you to work on the highly popular A-Class and B-Class, from the 150 engine up to the punchy 200 TURBO version.

⚡ Method: 100% OBD (Virtual Read – VR) Save valuable time during your tuning jobs! Thanks to the Virtual Read method, your tool identifies the ECU and instantly downloads the original file from our servers. Plug in, download, and jump straight into modifying.

Supported Vehicles & Engines:
Mercedes A-Class (1997 – 2004): 150, 160, 170, 180, 200, 200 TURBO
Mercedes B-Class (2005 – 2011): 150, 160, 170, 180, 200, 200 TURBO

Expand your business on these popular daily drivers, perfect for standard optimizations and FlexFuel (E85) conversions!

🎯 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
WhatsApp: 027 209 9994
🌐 xtremetuning.co.nz
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Dealer update: 4JJ1

Dealer update: 4JJ1 OBD

Get ready to tune one of the most robust engines on the planet! We are thrilled to announce that the Delphi 4J ECU is now officially supported on your AutoTuner Tool.

This protocol grants you access to pick-ups and 4x4s equipped with the legendary and bulletproof 3.0 TD (4JJ1) engine. Highly sought after for off-roading, towing, and extreme utility work, these vehicles offer massive torque gain potential once optimized.

⚡ Method: 100% OBD (Virtual Read – VR) Save valuable time in your workshop or out in the field! With the Virtual Read solution, your tool identifies the ECU and instantly downloads the original file from our servers. You flash the vehicle directly through the OBD port, with absolutely no removal required.

Supported Vehicles (3.0 TD – 4JJ1 Engine):
Isuzu D-Max / Vcross
Isuzu MU-X
Holden Rodeo

Give your customers the low-end torque they need to conquer trails and tow heavy loads effortlessly!

🎯 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
WhatsApp: 027 209 9994
🌐 xtremetuning.co.nz
See MoreSee Less

xtremetuning.co.nz
WhatsApp: 027 209 9994
🎯 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
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