BorgWarner Turbocharger K04 Audi S3/TT 1.8 5V

This BorgWarner K04 turbocharger is what you get when you order part number 53049880022. It's a direct replacement for the factory turbocharger on Audi S3 and TT models equipped with the 1.8L 5-valve engine. If your current turbo is worn out or you're looking to upgrade for more power, this unit is built to handle the demands of a performance-oriented engine.

BorgWarner is a well-known name in the turbocharger world, and this K04 unit is a popular choice for enthusiasts looking to improve their vehicle's performance. It's designed to bolt right into the factory location, making installation more straightforward than custom setups. The internal components are well-built to ensure reliable operation and consistent boost pressure. This turbocharger is designed to work with the stock engine management system, though tuning may be required to take full advantage of its capabilities and ensure optimal performance and longevity.

When installing a new turbocharger, it's critical to ensure your oil and coolant lines are clean and free of debris. Also, make sure to follow the manufacturer's break-in procedure for the new turbo. This typically involves varying engine speeds and avoiding prolonged idling or full throttle for the first few hundred miles. This helps to properly seat the seals and bearings, ensuring a long service life for your new BorgWarner turbo.