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Audi 2.0L TFSI Tuning Project

Test & Tune by BAR-TEK® Motorsport
by
Bartek Bartoszewicz
Tuning Professional

Test & Tune by BAR-TEK® Motorsport

In 2013, the BAR-TEK fleet has welcomed a new addition: The latest member of the fleet is an Audi A3 Sportback quattro (8PA) 2.0 TFSI (AXX) with 200 HP. From 2004 to 2008, the same engine was used in the Golf Mk5 GTI. In comparison to the 1.8T, the 2.0 TFSI engine has a much higher compression ratio (10.5:1 vs. 9.0X:1). Basically, the AXX engine is not so good for tuning since it has a penchant for piston ring flutter at high speeds and low load due to the forged pistons. This is why cast pistons were used in the successor BWA engine, and the compression ratio was reduced to 10.3:1. In addition, we used a new software. Our AXX already had over 180,000 km on the clock, but, except for the usual teething troubles, there were no problems with the engine.

We initially eliminated these teething troubles. The error: “Boost control limit undercut” was stored in the error memory.

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Bartek Bartoszewicz
Tuning Professional
His first car was a Polo Mk1 with a 40 Weber twin carburetor and 129 PS (95 kW). His second was an Audi 50. Today Bartek tunes Lamborghinis to 1000 PS (735 kW). Even as a young boy, Bartek disassembled vehicles and put everything back together better. He wrote his high school diploma with oil on his fingers. The trained automotive mechanic with a focus on engines and gearboxes was determined to go into motorsports. In his 10 years in Formal 1, he supervised 73 races, including as engine mechanic for Ralf Schumacher at Toyota. Since 2010, he has dedicated himself fully to his company BAR-TEK® and helps his customers to bring VW and Audi engines to peak performance.
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