TFSI engines (Turbocharged Fuel Stratified Injection) from the VAG Group (VW, Audi, Seat, Skoda) are among the most popular platforms in modern performance tuning. The combination of direct gasoline injection and exhaust gas turbocharging provides an excellent factory-standard foundation for significant performance gains.
Whether it’s an EA113 (with timing belt) or an EA888 (with timing chain) – at Turbo-parts.de, we understand the appeal and technical demands of TFSI tuning. We provide you with the hardware components that transform a solid stock engine into an absolutely reliable high-performance powerplant.
The secret of TFSI engines lies in their enormous scalability. Since the turbocharger is electronically controlled via the engine control unit, boost pressure can be drastically increased through software optimization (ECU Tune). However, to access this power sustainably, safely, and without engine damage, the peripheral hardware must absolutely keep pace.
Professional TFSI tuning is based on the perfect interplay of air intake, cooling, exhaust, and fuel supply.
Those who eliminate the typical weaknesses of the engines and rely on high-quality upgrade components will be rewarded with brutal torque and an aggressive turbo sound.
Depending on the trim level, the stock turbochargers reach their absolute power limit at around 250–330 hp.
The perfect solution: Our in-house Turbo-parts (TP) upgrade turbochargers! We develop and optimize our TP turbo series (such as the popular K064 upgrade and our high-performance TP motorsport turbos) specifically for maximum durability and extremely responsive performance. Thanks to enlarged, CNC-machined impeller wheels, reinforced bearings, and flow-optimized turbine housings, our in-house turbochargers unlock the true potential of your TFSI engine.
Complementary Premium Selection: In addition to our own high-performance turbochargers, our shop also offers upgrade solutions from renowned partners such as Garrett, Borgwarner, and qualified Turbo Meister workshops, ensuring we have the perfect turbocharger for every performance level—from Stage 2 all the way up to extreme Stage 3/4 custom conversions (over 500 hp).
Higher boost pressure always means higher intercooler temperatures. To prevent the dreaded power drop (heat soak) in the summer, an upgraded intercooler kit is essential. Our intercooler kits (preferably in robust bar-and-plate design) drastically cool the intake air. This ensures higher oxygen density in the cylinder and protects the engine from knocking.
A turbocharger can only force in as much air as it can expel from the back.
Tuning Exhaust Manifold & Downpipe: A large-diameter upgrade downpipe (ideally with a 200-CPI racing catalytic converter) significantly reduces exhaust backpressure and thermal stress on the turbocharger. The turbo spools up significantly faster (better response), and in combination with a backpressure-reduced sports exhaust system, this creates the unmistakable, throaty TFSI growl.
The OEM rubber hoses in the intercooler system tend to swell under increased boost pressure or become porous under extreme heat. Our fabric-reinforced silicone hoses are completely dimensionally stable, withstand extreme pressures well over 2 bar, and guarantee a constant, loss-free airflow.
Comprehensive TFSI tuning also includes eliminating known factory defects:
Charge Air Bypass Valve (CAB): The original valves with rubber diaphragms tend to tear under increased boost pressure. We recommend replacing them with the more robust piston-type variant (e.g., from the Golf 6 R) or a reinforced GFB DV+ valve.
PCV Fix (Crankcase Ventilation): A defective PCV valve causes loss of boost pressure and carbon buildup on intake valves. An integrated PCV Fix or a catch-can system provides a permanent solution here.
Once the mechanical components—such as your new Turbo-parts upgrade turbocharger, downpipe, and intercooler—have been installed, the ECU Tune follows. During this ECU Tune the engine control unit is precisely calibrated to the new flow and temperature conditions. Only then do all components work together harmoniously to achieve maximum power output while minimizing wear on the engine’s components.
Selecting the exact right components for your engine code (e.g., AXX, BWA, BYD, CDLA, CHHA, CJXC) can be complex. Don’t leave anything to chance – our tuning experts will guide you step by step through your project.
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Take your vehicle's performance to the next level and order your high-performance TFSI tuning parts today at Turbo-parts.de!
