Audi A3 TDI Tuning Hatchback (2009-2014), Q-PRO+ OBD Flash

What it is
This is a Kerma performance tune for the Audi A3 TDI Hatchback, model years 2009-2014, delivered via the Q-PRO+ programmer over the OBD port.

Performance gains

• +34 whp, +95 lb-ft (22% more peak power, 34% more peak torque over stock, dyno-proven)
• Refined, consistent power and torque curve, no jumps or spikes on hard throttle
• Quicker turbo response, significantly reduced turbo lag
• Up to 10% MPG improvement on long-distance driving
• Consistent EGTs, clean soot levels, passive regens behave correctly

How it's installed
Flash via the Q-PRO+ module over the OBD port, from home. No mechanic visit or ECU removal needed. DSG transmission tuning is also available through the same Q-PRO+ device, in the same tuning session as the engine tune.

Requirements and limitations

• Requires the vehicle's stock emissions system to be intact. KermaTDI states exhaust flow isn't a limiting factor for this tune, no bolt-on modifications required.
• Windows-based computer required for the Q-PRO+ software; does not work on macOS.
• Vehicle year/model and tuning option required at checkout.

Fitment
2009-2014 Audi A3 TDI Hatchback.

Common questions

Does this tune require removing my emissions equipment? No, it's designed to work with the stock emissions system fully intact.

Can I add the DSG tune at the same time? Yes, DSG tuning is available through the same Q-PRO+ device, in one tuning session with the engine tune.

Can I install this on a Mac? No, the Q-PRO+ software requires Windows.

How much MPG improvement should I expect? Up to 10% on long-distance driving, based on KermaTDI's testing.

Is the power gain dyno-verified? Yes, KermaTDI dynos both a stock pull and a tuned pull to confirm the whp/wtq gains.

QPRO+ Video Install