12V Auto Performance dyno tuning session in Southport for ECU tuning and performance tuning
4.8 | 21 Google reviews

Gold Coast Performance Tuning Specialists

Petrol and diesel ECU tuning, remaps and performance builds for Southport and the Gold Coast.

12V Auto Performance is a one stop shop for anything performance, covering VW, Audi, BMW and Mercedes petrol tuning through to diesel utes, 4x4s and heavy vehicles. From Stage 1 remaps to complete engine and transmission swaps, the team works on everything from daily drivers to serious builds.

1 Price St, Southport QLD 4215

Mon to Fri, 9:00am to 5:00pm

4.8 stars from 21 Google reviews

Tuning Specialists

Free Power Gain Estimate for Your Vehicle

Not sure what your car, ute or truck can handle? Use the power gain estimate tool to see the tuning stages and options available for your exact make and model, then book a free quote with the team to talk through the right build for your goals.

Our Services

Everything Performance,
Under One Roof

12V Auto Performance covers the full spectrum of vehicle performance work on the Gold Coast, from ECU tuning on petrol and diesel platforms through to fitted accessories and supplied performance parts. Whichever stage the build is at, the team can scope it, quote it and get it done.

Petrol ECU Tuning

Specialising in European vehicles such as VW, Audi, BMW and Mercedes platforms.

Diesel ECU Tuning

Covering Euro diesels and dual cab utes through to trucks and heavy vehicles, plus performance tuning and DPF/EGR solutions for off road use.

Accessory Fitting

Grilles, aftermarket lights, spoilers, Apple CarPlay, diffusers, lips, splitters and ambient lighting, all fitted in house.

Performance Parts

Exhausts, intakes, intercoolers, turbo upgrades, downpipes, and engine and transmission swaps supplied and fitted.

Petrol Performance Tuning

Euro Specialist

VW/Audi

12V Auto has deep expertise on VAG group vehicles with extensive development on custom calibrations. Unique features available include Rolling Anti-Lag, Multi-Map Switching and Flex Fuel Integration across many VW and Audi platforms, alongside in-depth custom tuning for complex builds and leading results from basic Stage 1, 2 and 3 remaps and DSG tuning.

BMW

Custom tuning is offered for BMW platform vehicles, which is often required for Stage 3 and more complex builds, with Stage 1 and 2 results that outperform typical flash tunes. As an XHP dealer, the team can provide XHP transmission tuning and custom MHD tuning, plus unlocking services for later model vehicles with a locked DME (G Series).

Mercedes

From A180s to E63 AMGs, Mercedes is well covered with strong Stage 1 and 2 remaps as well as custom tuning for bigger builds. CPC module upgrades and tuning are available to remove limiters on later model vehicles.

Diesel Tuning

SUVs, Utes and Trucks

Utes and 4x4s

A wide range of options are available for utes such as the Hilux, Ranger, Amarok, NP300, D-Max and more, including tuning, DPF and EGR solutions, AdBlue solutions, exhaust systems supplied and fitted, lift kit installation, and lightbar and UHF installation.

Euro/Performance Diesel

Expert calibrations are available for performance diesel SUVs from Audi, Porsche, BMW, Mercedes and Volkswagen.

Trucks and Heavy Vehicles

ECU tuning and solutions are available for heavy vehicles, from light trucks through to prime movers, with mobile onsite services available for larger jobs.

ACCESSORY FITTING & PERFORMANCE PARTS

Parts, Fitted Properly

Accessory Fitting

All accessories and modifications can be fitted in house, including grilles, aftermarket lights, spoilers, Apple CarPlay, diffusers, lips, splitters and ambient lighting.

Performance Parts

Parts are supplied and fitted including exhausts, intakes, intercoolers, turbo upgrades, downpipes, and engine and transmission swaps, for builds ranging from a simple bolt on upgrade to a full engine swap.

Tuned by 12V Auto

Recent Projects

A look at recent work coming out of the Southport workshop, from Euro hot hatches to full turbo swaps.

A45 AMG Stage 3

MK6 Edition 35 Golf Stage 2

Audi TT Stage 3 IS38 Swap

WHY CHOOSE 12V AUTO

Performance. Perfected.

12V Auto Performance is a one stop shop that covers petrol and diesel platforms, European specialist tuning, and full accessory and parts fitting under one roof in Southport. As an XHP dealer with custom MHD tuning capability, the team handles everything from a straightforward Stage 1 remap to a complex Stage 3 build, backed by a 4.8 star Google rating from local customers.

4.8 stars from 21 Google reviews

XHP dealer, custom MHD tuning available

Petrol and diesel, European and 4x4 platforms covered

Mobile onsite services available for trucks and heavy vehicles

Based in Southport, servicing the Gold Coast

LOCATION

Visit the Workshop in Southport

12V Auto Performance is based at 1 Price St, Southport, open Monday to Friday from 9:00am to 5:00pm. Drop in to talk through a build, book a dyno session, or get a free quote on tuning, parts or fitting.

Address:

1 Price St, Southport QLD 4215

Hours:

Mon to Fri, 9:00am to 5:00pm

Frequently Asked Questions

Do you tune diesel utes as well as petrol cars?

Yes. The team works across both platforms, from Euro petrol tuning on VW, Audi, BMW and Mercedes through to diesel tuning on utes, 4x4s and heavy vehicles.

Do I need to book ahead?

Booking ahead is recommended to secure a dyno slot, though the team can be contacted directly on 0492 986 332 to check current availability.

Is 12V Auto Performance close to me if I'm in Ashmore, Molendinar or Bundall?

Yes, the Southport workshop at 1 Price St is a short drive from Ashmore, Molendinar, Bundall, Main Beach, Labrador and Surfers Paradise.

Do you offer mobile services?

Mobile onsite services are available for trucks and heavy vehicles. Contact the team to check if mobile service is suitable for a specific job.

What car brands do you specialise in?

Petrol specialisation covers VW, Audi, BMW and Mercedes. Diesel work covers utes such as Hilux, Ranger, Amarok, NP300 and D-Max, plus Euro performance diesel platforms and trucks.

Trusted by Gold Coast Car Enthusiasts

Verified Google reviewers highlight clear communication throughout the tuning process, genuine care taken with each vehicle, and results on cars ranging from daily European hatches to serious performance builds. Recent reviews cover a Stage 1 remap on a BMW F30, a stubborn DPF issue resolved on a Nissa Navara, and ongoing work on Volkswagen Golf R and Audi platforms.

Stage 1 remap — BMW F30. Praised for clear communication throughout the tuning process.

DPF issue resolved — Nissan Navara. Genuine care taken with the vehicle noted by the reviewer.

Ongoing work — Volkswagen Golf R & Audi platforms.

Ready to Get More Out of Your Car?

Get a free, no obligation quote on petrol tuning, diesel tuning, accessory fitting or performance parts from the Southport team.