BMW E9x / E6x / E7x M57N2 Turbosystems Hybrid Turbochargers

The delivery time for products in stock is 1-3 business days.

If the product is not in stock and it is a pre order product, the average delivery time is 5-21 business days. If the product has a longer delivery time than previously announced, we will be in touch.

Terms for product returns:

• You must return the ordered products within 14 days of receiving
• The products must be unused and without damages
• Commission fee for handling returns is 21,90€
• For product returns, the customer is in charge of the return costs. Only door to door service (Express)
• Shipping costs are not refunded

For international orders (outside of Europe) sales are final and non-refundable. Once an order is placed, it cannot be canceled or returned. By placing an order, you acknowledge and agree to these terms.

Return address: QT Parts, Vasarakatu 8B, 37150 Nokia, Finland.

Pre order / made-to-order products

If the product you have ordered is a pre order or made-to-order item, it is not subject to the 14-day right of withdrawal or return under consumer protection laws, as the product is manufactured or sourced specifically based on the customer’s individual order.

If you wish to cancel your order before receiving the product, we will refund 50% of the total order amount.

This condition applies to the following product categories:

• Suspension
• Engine Tuning
• Engine Parts
• Exhaust Systems
• Fueling
• Turbochargers/superchargers
• Drivetrain
• ECE-approved Downpipes

All of the above products are manufactured or sourced individually based on the customer’s order, and therefore cannot be returned after delivery, unless the product has a manufacturing or material defect.

In the event of such a defect, the standard liability for defects as provided by consumer protection legislation shall apply.

Bolt-on upgrade turbocharger solution for BMW M57N2 engine power gain designed to work with stock exhaust manifold and other engine units. Three versions available - Stage 2, Stage 2 ball bearing, Stage 3 ball bearing & Stage 4 ball bearing. Specifications and Compatibility list written below.

Even though the models listed below share the same engine, the structure of these turbochargers are slightly different. Order turbocharger according to your vehicle.

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 housing;
• Flow bench adjusted;
• Balanced is a VSR;

Power range: up to 400HP

Stage 2 (HTD2872BB):

• dual ceramic ball bearing;
• 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 housing;
• Flow bench adjusted;
• Balanced is a 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 housing;
• Flow bench adjusted;
• Balanced is a 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 housing;
• Flow bench adjusted;
• Balanced is a 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 are required in order to achieve the best results.

Power range: 490+HP

Compatibility list

BMW E9x (325d / 330d) version:

BMW E6x (525d / 530d / 730d) version:

BMW E7x (3.0d) version: