BMW 330d, 530d, 730d N57D30 upgrade turbocharger
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When installing a new turbocharger we recommend to read our Installation guide.
 
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.
 
DUE TO PARTS SHORTAGE ASSEMBLY OF THIS STAGE 3 & 4 TURBOCHARGER CAN TAKE UP TO 1-2 WEEKS.
 
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 
 
BMW 3-Serie E90/E91/E92/E93 325D
BMW 3-Serie E90/E91/E92/E93 330D
BMW 5-Serie F07/F10/F11 525D
BMW 5-Serie F07/F10/F11 530D
BMW 7-Serie F01/F02 730D