The BorgWarner K04-015 turbo is a popular upgrade for 1.8T engines and offers more power and greater reliability than the standard turbo. Thanks to the larger compressor and improved airflow, power can be increased to around 240 pk with the right modifications. The turbo is oil- and water-cooled and fits 1:1 to the original mounting points.
Advantages
• Genuine BorgWarner K04-015 turbo•
Larger compressor for improved airflow•
direct replacement for the OEM turbo•
Oil- and water-cooled system•
Reliable
slide-bearing construction• Suitable for performance upgrades up to approx. 240 pk
Technical specifications
• turbo type:
K04-015• compressor wheel: 49.5 / 37.5 mm•
turbine wheel: 46 / 42 mm•
Bearing type: plain bearing•
Cooling: oil and water•
Fitting: OEM 1:1 replacement
Compatibility
Audi A4 1.8T•
Engine codes: AEB, APU, ARK, ANB, AJL, BFB, BEX, AVJ
Audi A6 1.8T•
Engine codes: AEB, APU, ARK, ANB, AJL, AWT
Also suitable for small turbo conversions on up to 1.8L engines, such as:
• VW G40
projects• Fiat Punto turbo•
Fiat Uno turbo
Recommended upgrades for maximum performance
• Air Intake system•
380cc injectors•
Larger
Intercooler• Upgraded
manifold• 200-cell sports catalytic converter•
Downpipe and exhaust system with a minimum diameter of 63.5 mm•
ECU tuning
Contents
• BorgWarner K04-015 turbocharger
Frequently Asked Questions
Is this turbo a direct replacement for the original turbo?
Yes, this turbo fits 1:1 onto the original mounting points.
What is the maximum power output with this turbo?
Up to approximately 240 pk with the correct upgrades and software.
Is tuning necessary?
Yes, a software update is required to make the most of the larger turbo.