Achtuning offers ECU and TCU software upgrades for a wide variety of high performance European vehicles. With how far modern technology has come, getting the most out of your car is much easier than it was 10 years ago. Utilizing APR, Dinan, TVS, Unitronic, Velocity AP, and VF Engineering, we are the leader in the Northwest when it comes to software upgrades for Audi, BMW, Lamborghini, McLaren, Porsche and Volkswagen.

Achtuning was one of APR's first dealers to install software on a car. In the early 2000's, removing the ECU and soldering in a new 'chip' was the only way to get it done. Fast forward to today and we are one of APR's largest global dealers. Instead of chipping cars we now have the benefit of being able to flash them via the OBDII port. This results in massive power gains and less than one hour of down time for you and your car.

Tuning software, like the APR ECU Upgrade, tells the engine how to make more power. It does this by running more boost pressure, optimizing the cam shaft positions, adjusting the air/fuel ratio, advancing ignition timing, and more. APR puts cars through rigorous testing before the software ever hits the market. Doing this allows us to deliver a product that we can stand behind, and use on our own cars every day.

All APR ECU Upgrades include a 30-day money back guarantee with no questions asked. If for any reason the owners is dissatisfied with the APR ECU Upgrade, they may return back to our facility for a full refund, provided they are within the 30 day period from the time of the initial purchase.

Founded in 1979, Dinan is well established as North America’s premiere BMW tuner. In recent years Dinan has further expanded its portfolio to include other European marques such as MINI and Mercedes Benz. For all makes, Dinan develops, manufactures and markets a comprehensive line of high performance products and systems. Dinan offers ECU, TCU, and suspension tunes as a flash upgrade or as a plug in DINANTRONICS module depending on the application. Dinan + is now available for those still under factory warranty.

Since 2005 TVS Engineering has been a pioneer in DSG Software. Achtuning offers TVS flashes as well as sales of their flash at home hardware.

At the cutting edge of technology, Unitronic’s headquarters features some of the most sophisticated tools and equipment to engineer the finest automotive performance products. Unitronic’s DTS / Superflow engine dynamometer and MAHA chassis dynamometer allows Unitronic the ability to conduct proper research, development, testing, and validation of their performance software. Unitronic offers a hassle free, no questions asked 15-day satisfaction guarantee. Achtuning offers Unitreonic flashes as well as their UNICONNECT and UNICONNECT+ flash at home hardware.

Velocity AP is a Canadian company that offers tunes for many platforms, Aston Martin, Audi, Bentley, BMW, Ferrari, Fiat Abarth, Jaguar, Lamborghini, Land Rover, Maserati, McLaren, Mercedes, MINI, and Porsche are supported.

VF Engineering has been a leader in the tuning and forced induction industry for nearly 20 years. With many of BMW's current lineup donning one or two turbo's from the factory, there's a massive amount of unleashed power to be had with a simple software remap.

From the M235i to the M2, M3, M4, M5, and M6, we have multiple software options available for your modern BMW that are engineered to provide consistent and reliable performance on the street or at the track in a way that inspires confidence every time you press the pedal.

"Achtuning performed a stage 1 ECU update and subsequently a stage 2 ECU update with APR down pipes along with some Audi TSB work on my RS7. The work done was first rate and I recommend Kelly, Zach, and the Achtuning team for any mods you are considering."

- Jim Mowry

"Quick and professional - Worth the drive from anywhere in Washington to have work done here. APR tune support is also great. Awesome job answering any questions whether it be via email or phone. Can be quite busy but scheduling an appointment isn't too much of a hassle. Always cool to see other cars in for service."

- Ricardo Tapia

Would you like to come in for an ECU or TCU tune? You can reach one of Achtuning's Service Advisors by calling 425-895-0000, or emailing service@achtuning.com.