Would you like to gain over 200HP extra from your engine? Does it feel like your car could do more? You are not wrong, MuchBoost has got a solution just for you.

MuchBoost M57D30TOP 3.0 Hybrid Upgraded Turbochargers with Custom Billet 7+7/11+0 blades Compressor Wheels and a High Flow 9 blade Turbine Wheel. They are based on original KKK (BorgWarner) turbochargers, which means that the installation is 100% P&P. The turbocharger set is meant to work with BWM 535d Bi-Turbo equipped with the 3.0 M57D30TOP 272HP engine.

We have developed 3 modification options that allow you to reach anywhere from 450HP to 550HP.

MuchBoost M57D30TOP 450

Upgraded turbochargers with an estimated ~450HP at the crank. List of modifications:

Small Turbo KP39

• Upgraded journal bearing system that allows the turbo to hold more boost
• Machined compressor housing,
• Modified seal plate,
• Enlarged Compressor 6+6 Blades Billet Wheel,
• Genuine KKK Turbine Wheel,
• Original actuator.

Big Turbo KKK K26

• Upgraded journal bearing system that allows the turbo to hold more boost,
• Machined compressor & turbine housings,
• Modified seal plate,
• Enlarged Billet Compressor Wheel 7+7 blades,
• Enlarged High-Flow 9 blade Turbine Wheel,
  
• Original actuator,

MuchBoost M57D30TOP  500

Upgraded turbocharger with an estimated potential of ~500HP at the crank. Modifications compared to the 450 option are the same, except:

Big Turbo KKK K26

• Enlarged Custom GEN II 11+0 Blades Billet Compressor Wheel,
• Enlarged and Lightened High-Flow 9 Blades Turbine Wheel. 

Muchboost M57D30TOP 550

Upgraded turbocharger with an estimated potential of ~550HP at the crank. Modifications compared to the 500 option are the same, except:

• Enlarged Custom GEN I 7+7 Blades Billet Compressor Wheel. 

Other Significant Modifications

To fully utilize the potential of this hybrid turbo, we recommend upgrading i.a. fuel, exhaust, cooling systems, and the clutch. Individual ECU remapping is the foundation.

Example project:

One of our clients decided to upgrade their Alpina D10,  with the turbos mounted they managed to produce 556HP and 840Nm of torque at the crank!

• Custom injectors,
• CP3 R110 pump,
• Enlarged Intercooler with a meth kit,
• BMW E46 20d 6-speed gearbox,
• Custom ECU tune.

Dyno graph below:

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

(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 around 2 weeks to perform and ship the upgraded turbocharger. In some complicated cases, it may take up to 3 weeks. Please realize that the turbo upgrades require precision. Especially, the machining process takes a lot of time. We don`t cut the corners. Thank you for understanding. The parcels in the European Union are shipped via DPD for just 25,00 EURO. UPS is used for orders besides the EU, it costs 99,00 EURO and 49,00 to the UK (DHL). The average delivery time is 3-5 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 turbocharger once you sent it 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.