BMW M57 Universal Vacuum Control Turbocharger

This custom ball bearing solution is designed for M57 engines compatible with a 170KW/231HP exhaust manifold, utilizing vacuum control instead of an electrical actuator.

Specifications

Stage 1 (HTD2268BB):

• Dual ceramic ball bearing
• CNC machined compressor housing
• CNC machined turbine housing
• OEM variable geometry nozzle
• Reinforced compressor wheel machined from solid - 46/68mm
• Turbine wheel - 50.5/45mm
• Flow bench adjusted
• Balanced on VSR

Power range: up to 300HP

Stage 2 (HTD2872BB):

• Dual ceramic ball bearing
• CNC machined compressor housing
• CNC machined turbine housing
• OEM variable geometry nozzle
• Reinforced compressor wheel machined from solid - 50/72mm
• Turbine wheel - 51/49mm
• 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 compressor wheel machined from solid - 54/73mm
• Turbine wheel - 58/54mm
• 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 compressor wheel machined from solid - 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
• CNC machined turbine housing
• New design custom variable geometry nozzle with 14 nozzle blades
• Reinforced compressor wheel machined from solid - 56/79mm
• High flow design turbine wheel - 62.8/56mm
• Flow bench adjusted
• Balanced on VSR

Power range: 500+HP