BMW N57N (from 2011) upgrade turbocharger

Some elements of this turbocharger may vary by market. If your vehicle is intended for USA domestic market please write your car VIN number in the notes when ordering, Otherwise we cannot be sure you will receive correct assembly.

Stage 1 (HTD2263):

• Upgraded bearing system;
• CNC machined compressor housing;
• Special Compressor Housing without plastic silencer;
• CNC machined turbine housing;
• Custom variable geometry nozzle;
• reinforced bigger machined from the solid compressor wheel – 45/63mm;
• bigger turbine wheel – 50/46mm;
• Flow bench adjusted;
• Balanced on VSR;

Power range: 350+HP

Stage 2 (HTD2872):

• Upgraded bearing system;
• CNC machined compressor housing
• Special Compressor Housing without plastic silencer;
• CNC machined turbine housing;
• Custom variable geometry nozzle;
• reinforced bigger machined from the solid compressor wheel – 50/72mm;
• bigger turbine wheel – 51/49mm;
• Flow bench adjusted;
• Balanced on VSR;

Power range: 370-400HP

Stage 3 (HTD3073BB):

• dual ceramic ball bearing;
• CNC machined compressor housing;
• Special Compressor Housing without plastic silencer;
• CNC machined turbine housing;
• Custom variable geometry nozzle;
• reinforced bigger machined from the solid compressor wheel – 54/73mm;
• bigger turbine wheel – 58/54mm;
• Flow bench adjusted;
• Balanced on VSR;

Power range: 420+HP

Stage 4 (HTD3279BB):

• Big dual ceramic ball bearing;
• Enlarged shaft and wheel diameter 6mm;
• CNC machined compressor housing;
• Special Compressor Housing without plastic silencer;
• CNC machined turbine housing;
• Custom variable geometry nozzle;
• reinforced bigger machined from the solid compressor wheel – 56/79mm;
•  High flow design turbine wheel – 58/56mm;
• Flow bench adjusted;
• Balanced on VSR;

Power range: 470+HP

Stage 5 (HTD3379BB):

• Big dual ceramic ball bearing;
• Enlarged shaft and wheel diameter 7mm;
• CNC machined compressor housing;
• Special Compressor Housing without plastic silencer;
• CNC machined turbine housing;
• NEW design custom variable geometry nozzle with 14 nozzle blades;
• reinforced bigger machined from the solid compressor wheel – 56/79mm;
•  High flow design turbine wheel – 62.8/56mm;
• Flow bench adjusted;
• Balanced on VSR;

Power range: 500+HP

Please note that with upgrade turbocharger installed you will need engine tuning. 

Stage 3-5 turbochargers should be used only for professional use. Upgraded intake system as well as performance downpipe and custom software is required in order to achieve the best results.