TTE Audi/VAG 1.8T Turbocharger Upgrade TTE390 (Beetle, Golf & TT)
TTE390 for the 1.8T begins as a brand new standard BorgWarner K04-064 turbocharger taken from the 2.0tfsi platform, we dismantle and then set about upgrading and optimizing as engineers to create the ultimate K04 TFSI hybrid for the 1.8T VAG platform. This turbo shares same spec as our highly acclaimed TTE420 for the 2.0TFSI, proven at over 440ps without wmi. No spacer plate is required for fitment.
Precisely balanced turbochargers is a key critical factor to become a TTE upgrade unit as longevity and performance are paramount. Good balance improves acoustics also. Subsequent great care is taken with all TTE turbochargers to achieving our balance standards. Firstly parts are balanced at slow speeds up to 2800RPM in multiple planes, then components are assembled and then the CHRA are dynamically balanced, but this time depending on application at up to 250,000 RPM in multiple planes using TTE's in house VSR machine to acquire the ultimate equilibrium, to a standard far higher than OEM. Each turbocharger is supplied with serial numbered balance test result document.
- Genuine BorgWarner Housings, Exhaust Manifold & Components
- TTE2871X Highly Efficient Billet Next Gen Compressor Geometry
- Optimized Compressor Cover Machining Clearances
- CNC Machined exhaust manifold for 1.8T fitment
- CNC Adaption hardware for exhaust manifold 1.8T fitment
- CNC Optimised modified silencer discharge delete
- Port Matched Exhaust Runners (option available at extra cost. please ask for info)
- Ported Intake Pipe
- Genuine BorgWarner Special Curved Clipped K16 Turbine
- Uprated & Reinforced Actuator
- Special TTE K16/K04 Reinforced Bearing System
- Dynamically Balanced & Comes With Protocal Test Report
- 400PS+ Capable
- Designed, Machined & Built by TTE in Germany
Upgrade your Existing Turbo
To upgrade your existing turbo, you will need to send us your non-damaged turbo. The listing price is the cost of upgrading a non-damaged turbo only. If your turbo is damaged, there may be extra cost on top of the listing price, we will provide you with a quote after inspection. All turbo will be closely inspected before the upgrade is carried out. You will also receive a report from our engineer after the upgrade is completed.
TheTurboEngineers GmbH based in German is a dynamic and highly innovative turbocharger engineering company, specialised in production of motorsport turbochargers to the highest quality and greatest efficiency with attention to detail. Every component is optimised on long term reliability.
TTE are focused on the construction of prototypes from a concept, through to completion with all work mostly being done in-house to TTE's extremely high standards in Germany. TTE is a fine example of German engineering at its best.
Small details are important to TTE, as is the conversion of existing OE turbochargers to new upgrade specifications, be it new or from a supplied used turbocharger.
TheTurboEngineers GmbH consults and provides to race teams and many well known tuning houses, looking for the best engineered performance turbochargers available.
To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.
- 1998-2008 VW Beetle 1.8T
- 1999-2006 VW Golf Mk4 1.8T
- 1999-2005 VW Jetta Mk4 1.8T
- 2000-2006 Audi TT mk1 1.8T
To upgrade your existing turbo, the estimated delivery time is around 4-6 weeks after receiving your existing turbo. We can also ship worldwide, simply contact us for a quote.
Our new turbos are made to order, the estimated delivery time is also 4-6 weeks after receiving your order. We can also ship worldwide, simply contact us for a quote.
One year TTE warranty.
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