Would you like to gain extra 200HP 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 N57D30/N57D30TOP 3.0 Hybrid Upgraded Turbochargers with Custom Billet 6+6/11+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 335d F30/F31/F34, 535d F07/F10/F11, 640d F06/F12/F13, 740d F01 X3 35dx F25 X5 40dx and others equipped with the 3.0 N57D30/N57D30TOP 300-313HP engines.

We have developed 2 modification options that allow you to reach anywhere from 5000HP to 550HP.

We don’t only upgrade the big turbocharger! The small one also gets the MuchBoost treatment.

Muchboost N57D30 500

Upgraded turbocharger with an estimated 500HP at the crank. List of modifications:

Small Turbo

• Machined compressor housing,
• Modified seal plate,
• Enlarged Billet Compressor Wheel 6+6 blades,
• Genuine KKK Turbine Wheel.

Big Turbo

• Machined compressor and turbine housing,
• Modified seal plate,
• Enlarged Gen II Billet Compressor Wheel 11+0 blades,
• Enlarged and Lightened High-Flow 9 blade Turbine Wheel,
• Fast spool
• Upgraded journal bearing system that allows the turbo to hold more boost,
• Original actuators
• Genuine exhaust manifold
• Genuine bearing housing
• 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 N57D30 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. M50D fuel, exhaust, cooling systems, and the clutch. Individual ECU remapping is the foundation.

You might also consider

N57 BMW De-Cat Downpipe 640D, 535D, 335D, 740D, 530D

Example projects

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.