Performance tuning in Auckland

“Just had my '24 GR Corolla with Lars at Auto Upgrades...astounding result..!! It wasn't just the 50hp and 70nm of torque that I gained,(which is pretty bloody cool I admit), but as much as anything it was dealing with Lars and the considered advice he gave me...no dumb upselling, just good advice and an amazing result..cannot recommend Auto Upgrades enough...many thanks Lars..!! Stoked...”

“I have an Audi S4 that had an unknown tune on it when I bought it and was feeling very underpowered, Richard helped me identify what tune it had and overwrite it with a brand new APR ECU and TCU tune, the car drives better and faster than it has ever done, gear changes are much smoother, and it even helped settle a rough idle issue I was having. The whole process only took about an hour and Richard was great banter while we waited with tones of recommendations for servicing, upgrades, etc. I only contacted them about getting this done yesterday and they’ve got me sorted and our the door so quick with great communication.”

“Referred by a friend almost 6 years ago and such a great experience from the moment I walked in. Friendly and genuine, and I felt like my car was in really good hands. They explained things in a way that made sense, didn’t push anything unnecessary, and got everything done on time. It’s rare to find a place that feels this trustworthy.”

“Thank you so much Rob and the team for doing a great job fixing my GTI. I really appreciate all the time you guys spent making sure it was perfect before returning it to me. It runs mint now, thanks again.”

“⭐️⭐️⭐️⭐️⭐️ 5 Stars I took my BMW to Cook European Car Service in Rosedale after the check engine light came on. They quickly diagnosed the issue and carried out the repair, but when more faults appeared (as BMWs often do), Andrew and the team went above and beyond to track down the underlying problems. BMWs are known for having tricky, hard-to-trace faults, but Andrew really knows his stuff. He spent a lot of extra time and effort to get to the bottom of it—something most places wouldn’t bother with. Many other shops just start replacing parts without any guarantee it’ll solve the issue, but here they actually took the time to diagnose properly. The pricing was very reasonable, especially considering the time and care they put in. Honest, professional, and genuinely passionate about getting it right—I highly recommend them.”

“My wife and I wouldn’t take our Beamers anywhere else, these guys are top notch! Very knowledgeable and top quality work every single time. Always a pleasure dealing with the team at Hillside. Thanks again team!”

“Recently got my 2020 Mitsubishi Triton serviced here. Great customer service, fast and efficient, highly recommended. :)”

“Reasonable price and excellent service! If you are looking for a battery, this is surely the right place to go.”

“This team is amazing, did a quick and tidy job. Friendly and professional, you can tell they love what they do. Highly recommend.”

“Excellent service. Very helpful and knowledgeable team. Will be back for sure”

“Absolutely blown away by the service and quality of packaging, shipping, communication and product. Have just finished building the 40160 rig, with integrated tri monitor mount and shifter adapters. Everything arrived really well packaged, zero blemishes. Instructions were clear and I was able to assemble the rig without any issues. The quality of the parts are extremely good and the rig is extremely solid. Contrary to my initial doubts, the integrated monitor mount is really solid, and the monitors barely vibrate even when using a large sequential shifter. Overall I'm stoked with the experience, definitely my first place to look for simulator parts now”

“Very good service, They had to sort out someone else's attempt to Lift my ute . It Drove like shit ! They upgraded replaced all the parts and got it looking 100 Times better and it also drives a 100 times better. Also Serviced it as well. Thanks”

“Nice shop, lots of products and a good price. Also the staffs person is so respectful and with lots of skills.”

“Jon went above and beyond many times. What started as an engine loom replacement, grew to engine rebuild and my car left the workshop with my target engine power. Jon’s attention to detail and willingness to help in any situation is why I trusted him with my pride and joy. Cannot recommend him and the workshop enough!”

“Great team, friendly service, awesome products and prices Thank you Cheers brendan Mobile rust surgeon ltd”

“Good prices range and staff - all good”

“Excellent. Did my WOF right on time and finished exactly when they said they would. No hassle, excellent, organized service. Even sent a text to say it was ready.”

“Great honest business. Amazing service and people. Highly recommended automotive service and repair shop. Authorised Mitsubishi service agent however all makes and models are well cared for by this company.”

“Jay and his team at One Of One are absolute legends! Fantastic work, fantastic service, and great people always willing to help out. Would highly recommend for custom/performance work!”