BMW N57D30 upgrade turbocharger

Bolt-on upgrade turbocharger solution for BMW N57D30 engine power gain, designed to work with stock exhaust manifold and other engine units.
Three versions available - Stage 2, Stage 3 & Stage 4.
Specifications and compatibility list written below.

ATTENTION: 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 2 (HTD2872):

• Upgraded bearing system;
• CNC machined compressor housing;
• CNC machined turbine housing;
• OEM variable geometry nozzle;
• reinforced bigger machined from the solid compressor wheel - 50/72mm;
• bigger turbine wheel - 51/49mm;
• Refurbished housings;
• Flow bench adjusted;
• Balanced on VSR;

Power range: up to 400HP

Stage 3 (HTD3073BB):

• dual ceramic ball bearing;
• CNC machined compressor housing;
• CNC machined turbine housing;
• Custom variable geometry nozzle;
• reinforced bigger machined from the solid compressor wheel - 54/73mm;
• bigger turbine wheel - 58/54mm;
• Refurbished housings;
• Flow bench adjusted;
• Balanced on VSR;

Power range: 420+HP

Stage 4 (HTD3279BB):

• Big dual ceramic ball bearing;
• Enlarged shaft (6mm diameter ) and turbine wheel;
• CNC machined compressor housing;
• 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;
• Refurbished housings;
• Flow bench adjusted;
• Balanced on VSR;

Please note that this Stage 4 turbocharger should be used only for professionals. Upgraded intake system as well as performance downpipe and custom software is required in order to achieve the best results.

Power range: 490+HP 

Compatibility list