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  • N20 Hybrid Turbo Upgrade BMW 428i, 125i, 220i, 228i, 320i, 328i, 420i, 520i, X1 20i, X1 28i, X3 20i, X3 28i, X4 20iX, X4 28iX, X5 xDrive40e, Z4 20i, Z4 28i, Z4 18i
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MuchBoost N20 Upgraded Turbocharger with a Custom Billet Compressor Wheel 6+6 Blades and a High-Flow 9 Blades Turbine Wheel. It is based on an original Mitsubishi Turbocharger, which means that the installation is 100%P&P. The turbocharger is meant to work with BMWs with the N20  156-245HP engines.

The turbo delivers up to 256% power (244 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.

We have developed 2 modification options that allow you to reach up to 400HP.

Muchboost N20 400 Journal
  • Genuine Mitsubishi compressor housing,
  • Genuine Mitsubishi bearing housing,
  • Genuine Mitsubishi exhaust manifold,
  • Upgraded journal bearing system that allows the turbo to hold more boost,
  • Fast spool thanks to Custom Billet Compressor Wheel
  • High-Flow 9 Blades Turbine Wheel,
  • Dynamically balanced,
  • 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.
Muchboost N20 400 Ceramic

Upgraded turbocharger with an estimated potential of +400HP at the crank. Modifications compared to the 380 option are the same except:

  • Ceramic Ball Bearings upgrade that provides a better spool.
Other significant modifications

The turbo is meant to work with 400HP In order to reach that level of power, you need to adjust your fuel, exhaust, and cooling systems as well.

You might also consider

N20 BMW De-Cat/Sport-Cat Downpipe 428i, 125i, 220i, 320i, 328i, 420i


A set of gaskets is included with every option you choose!


Cars
BMW 125i (F20/F21) 218HP
BMW 220i (F22/F23) 184HP
BMW 228i (F22/F23) 245HP
BMW 320i (F30) 184HP
BMW 320i (F31) 184HP
BMW 320i (F34) 184HP
BMW 320i (F35) 184HP
BMW 328i (F30) 245HP
BMW 328i (F31) 245HP
BMW 328i (F34) 245HP
BMW 328i (F35) 245HP
BMW 420i (F32) 184HP
BMW 420i (F33) 184HP
BMW 420i (F36) 184HP
BMW 428i (F32) 245HP
BMW 428i (F33) 245HP
BMW 428i (F36) 245HP
BMW 520i (F10/F11) 184HP
BMW 528i (F10/F11) 245HP
BMW X1 20i (E84) 184HP
BMW X1 28i (E84) 245HP
BMW X3 20i (F25) 184HP
BMW X3 28i (F25) 245HP
BMW X4 20iX (F26) 184HP
BMW X4 28iX (F26) 245HP
BMW X5 xDrive40e (F15) 245HP
BMW Z4 20i (E89) 184HP
BMW Z4 28 i (E89) 245HP
BMW Z4 18i (E89) 156HP


Factory numbers

49477-02058
49477-02057
49477-02056
49477-02055
49477-02051
49477-02005
49477-02004
49477-02003
49477-02011
49477-02010
49477-02011
49477-02012
49477-02013
49477-02020
49477-02021
49477-02022
49477-02061
49477-02070
49477-02104
49477-02105
49477-02106

Engines

N20B20


OEM number

11657635803
11657588938
11657624535
11657630462
11657634486
11657642469
11658635804
7624535
7630462
7634486
7642469
8635804


(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.


* Just upgrade option means that we will modify your turbochargers once you sent them to us. The turbo can’t be cracked and must be genuine.

Complete turbo option is for those who want to buy a fully built turbo ready to install in the car.

PRODUCT TYPE*

JUST UPGRADE, COMPLETE TURBO

ACTUATOR

ELECTRONIC, PNEUMATIC

BEARINGS

JOURNAL, CERAMIC

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