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

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Dealer network updat

Dealer network update:
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Take full control over legendary late-90s Bavarian straight-six powerplants! We are thrilled to announce official support for the Siemens MS42 ECU via 100% OBD Normal Read (NR) on your AutoTuner Tool.
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Powering the iconic BMW M52TU engine generation (Double VANOS), this release targets the thriving "Youngtimer" market.
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⚡ Method: 100% OBD (Normal Read / Write) Maximum workshop efficiency with zero ECU removal. Simply plug your Tool into the vehicle’s diagnostic port, perform a real hardware read (Normal Read), and flash your custom file safely within minutes.
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🚗 Supported BMW Lineup (M52TU Engines):
3-Series (E46): 320i, 323i, 328i (1998+)
5-Series (E39): 520i, 523i, 528i (1995+)
7-Series (E38): 728i (1994+)
Z3: 2.0, 2.3, 2.8 (1995+)
Update your software today and elevate the driving dynamics of BMW’s finest 6-cylinder classics!
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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 network updat

Dealer network update:
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The Bosch MSE9.0 is now supported on your AutoTuner Tool, and it opens
the door to Powersports.
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This protocol covers a wide range of latest-generation Powersports vehicles, including the CFMOTO 1000 MT-X and 675 SR-R (A2 version included), as well as several flagship models from Loncin, Voge, Zontes, and ZXMOTO.
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Method: Bench, Normal Read. Read in 1 minute, write in 45 seconds, with
automatic checksums correction and backup.
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Update your Tool and start tuning.
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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
See MoreSee Less

Dealer network updat

Dealer network update
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Get ready to tune the ultimate city cars! We are thrilled to announce that the Bosch Mx7.9.5x ECU family (M7.9.5, ME7.9.5, etc.) is now supported on your AutoTuner Tool.
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This protocol covers the famous and bulletproof 1.0L engine (VTi, i, VVT-i) that heavily powers the historic PSA/Toyota trio: Citroen C1, Peugeot 107, and Toyota Aygo, along with the Yaris and Chevrolet Spark. These vehicles are everywhere on the roads and are in massive demand in workshops, especially for ethanol (E85) conversions or drivability tweaks.
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⚡ Method: 100% OBD (Virtual Read) – No more Bench work on these small ECUs! Instantly identify and download the original file thanks to our Virtual Read database, and flash directly through the diagnostic port.
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Supported Highlights (1.0L Engine):
Peugeot: 107 (2005+)
Citroen: C1 (2007+)
Toyota: Aygo (2005+), Yaris (2005+)
Chevrolet: Spark (2013+)
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Update your Tool today and save incredible amounts of time on your daily flex-fuel conversions!
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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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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