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  • B48A20 2.0T Hybrid Turbo Upgrade BMW M135i xDrive, X2 M35i, Mini Clubman JCW, Countryman JCW, Mini JCW GP
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MuchBoost B48A20 Upgraded Turbochargers with a Custom Billet Compressor Wheel and a Clipped Turbine Wheel. It is based on the original Garrett Turbocharger, which means that the installation is 100%P&P. The turbocharger is meant to work with BMW M135i xDrive, X2 M35i, Mini Clubman JCW, Countryman JCW, and JCW GP with the B48A20 306HP engines.

The turbo delivers up to 130% power (94 extra HP) over the factory specs. It is a great choice for someone looking for a bit extra HP from their exotic sports car. MuchBoost turbos allow you to get more from your engine and enjoy it even more than you’ve been so far.

Main Features
  • The potential ~+400HP,
  • Fast spool thanks to Custom Billet Compressor Wheel,
  • Clipped Turbine Wheel
  • High air-fuel ratio including high peak torque achieved at low engine speeds,
Details on the construction of the turbo:
  • Genuine Garrett compressor housing,
  • Genuine Garrett exhaust manifold,
  • Genuine Garrett bearing housing,
  • Original Garrett actuator,
  • Precisely machined seal plate & compressor housings,
  • Upgraded Journal bearing system that allows holding more boost,
  • 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 ~+400HP In order to reach that level of power, you need to adjust your fuel, exhaust, and cooling systems as well.


A set of gaskets is included with the turbo!


Cars
BMW M135i xDrive F52 – 306HP
BMW X2 M35i F39 – 306HP
BMW M135i xDrive F40 – 306HP
Mini Clubman JCW F54 – 306HP
Mini Countryman JCW F60 – 306HP
Mini JCW GP F56 – 306HP


Factory numbers

894017-5001S,
894017-5004S,
858537-0007,
858537-5010S,
858537-0010,
858537-10,
894017-0001,
894017-0004,
858537-7,
894017-1,
894017-4

Engines

B48A20


OEM number

865821107,
8658211-08,
984581701,
8658211-07,
9845817-01


(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 in making the turbo correctly.