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  • 1.4 TDI CUSA Hybrid Turbo Upgrade Audi A1 8X, Seat Ibiza IV, Toledo IV, Skoda Fabia III, Rapid II, Volkswagen Polo V
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MuchBoost 1.4TDI CUSA Upgraded Turbocharger with a Custom Billet Compressor Wheel. It is based on an original BorgWarner Turbocharger, which means that the installation is 100%P&P. The turbocharger is meant to work with Audi A1 X1, Seat Ibiza IV, Toledo IV, Skoda Fabia III, Rapid II, and VW Polo V with the 1.4TDI 75-105HP engines.

The turbo delivers up to 180% power (55 extra HP) over the factory specs. It is a great choice for someone looking for a bit extra HP from their daily driver. MuchBoost turbo allows you to get more from your engine and enjoy it even more than you’ve been so far.

Main Features
  • The potential 130HP,
  • Fast spool thanks to Custom Billet Compressor Wheel,
  • Clipped and Lightened Genuine Turbine Wheel,
  • High air-fuel ratio including high peak torque achieved at low engine speeds.
Details on the construction of the turbo:
  • Genuine BorgWarner compressor housing,
  • Genuine BorgWarner exhaust manifold,
  • Genuine BorgWarner bearing housing,
  • Original actuator,
  • Upgraded Journal bearing system that allows holding more boost,
  • Perfectly calibrated VNT system + dynamically balanced. We use a modern VISCOM flow bench and Schenck balancing machines,
  • The compressor and turbine wheels are balanced separately, and then the whole core is high-speed balanced using VSR balancing machines at speeds similar to the level seen in the vehicle.
Other significant modifications

The turbo is meant to work with ~130HP In order to reach that level of power, you need to adjust your fuel, exhaust, and cooling systems as well.

You might also consider

CUTA 1.4TDI Hybrid Turbo Upgrade Seat Ibiza V, Skoda Fabia III, Rapid, VW Polo MK6


A set of gaskets is included with the turbo!


Cars
Audi A1 8X 1.4TDI – 90HP
Seat Ibiza IV 1.4TDI – 80HP
Seat Toledo IV 1.4TDI – 90HP
Skoda Fabia III 1.4TDI – 105HP
Skoda Rapid II 1.4TDI – 90HP
Volkswagen Polo V 1.4TDI – 75-105HP


Factory numbers

BV3066A0005
BV30 66A 0005
BV30-66A-0005
16309700000
16309700001
16309700002
16309700003
16309700005
16309880000
16309880001
16309880002
16309880003
16309880005
1630 970 0000
1630 970 0001
1630 970 0002
1630 970 0003
1630 970 0005
1630 988 0000
1630 988 0001
1630 988 0002
1630 988 0003
1630 988 0005
1630-970-0000
1630-970-0001
1630-970-0002
1630-970-0003
1630-970-0005
1630-988-0000
1630-988-0001
1630-988-0002
1630-988-0003
1630-988-0005

Engines

CUSA,
CUSB,
CUTA


OEM number

04B253019A
04B253019AV
04B253019AX
04B253019F
04B253019FV
04B253019FX
04B253019G
04B253019GV
04B253019GX
04B253020
04B253020V
04B253020X
V03846515C
V03846515CV
V03846515CX
V03.846.515.C
V03.846.515.CV
V03.846.515.CX


(If your engine has a different code, please send us a message. We will verify it.)


Matters you should be aware of when placing your order.
    1. The warranty is 12 months without the limit of mileage.
    2. We need about 7 working days to perform and ship the upgraded turbocharger. The parcels in European Union are shipped via DPD for just 25,00 EURO. DHL Express (airplane shipping)  is used for orders besides the EU, it costs 99,00 EURO. The average delivery time is 2-4 working days. 
    3. Every parcel is fully insured.
    4. If you didn`t find the turbo you need, feel free to contact us. We are able to perform many more upgraded turbochargers than you can find on the site. Our development department works permanently on the new models.
    5. Do you have a workshop, are you an influencer or seller of tuning parts? We are open to cooperation by offering discounts and refunds.
    6. During placing your order, please provide information as follows:
    • the engine code,
    • the car model,
    • the stock power,
    • the VIN number

These details are helpful to make the turbo correctly.