BMW E60 E61 M57N 535d 306D4 Diesel Turbocharger Turbo 7794571

The BMW E60 E61 M57N 535d 306D4 Diesel Turbocharger Turbo is a used turbocharger designed for BMW 5 Series E60/E61 diesel engines with the M57N 535d engine. It offers factory-correct performance while maintaining proper boost parameters and engine refinement.

Specifications and technical data

• SKU: 7794571-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7794571
• Substitutable numbers: 7794571, 11657794571, KP39-1873, 54399700045, 5439970
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and compatibility

This turbocharger belongs to the Turbochargers and Parts category and is designed to fit the M57N unit in the 535d version. It was designed to work with the diesel engine, ensuring adequate boost pressure, stable operation across the full RPM range, and proper integration with the factory engine management system.

Thanks to the use of solutions consistent with the BMW factory design, this element allows the maintenance of standard performance, proper throttle response and torque characteristics as intended by the manufacturer.

Construction and operating parameters

The turbocharger is designed to withstand the high loads typical of powerful diesel engines. The geometry of the rotor and hot and cold side housings allows for:

• efficient build-up of boost pressure in the low and medium rev range,
• maintaining a stable charge during long-term highway driving,
• proper cooperation with the injection system of the M57N engine.

The design solutions of this turbocharger are optimized for operation with Diesel fuel, which translates into proper exhaust gas temperatures, efficient use of exhaust gas energy and predictable behavior of the drive unit in everyday operation.

Condition, origin and advantages of using a used turbocharger

The offered component is in used condition, which significantly reduces repair costs compared to a new OEM part. With proper installation and adherence to service procedures (lubrication, intake, and exhaust system inspection), the turbocharger can continue to provide stable and predictable engine operation.

Using a used OEM turbocharger has several practical benefits:

• factory fit to the M57N 535d unit without the need for modifications,
• maintaining the standard engine operating parameters,
• reducing service costs while maintaining the original BMW design.

This solution is particularly attractive for users who want to restore the efficiency of the supercharging system while controlling the repair budget.

Installation and operating instructions

To fully utilize the potential of this turbocharger, it is worth paying attention to several key technical aspects during installation:

• thorough flushing or replacement of oil supply and return lines,
• checking the tightness of the intake system and intercooler,
• checking the condition of the air filter and exhaust system,
• correct bleeding of the lubrication system before first start-up.

This approach reduces the risk of premature wear and helps maintain stable charging parameters over the long term.

BMW Alternative Turbochargers and Service Knowledge

If you are looking for other turbochargers for BMW from the same category, check the turbochargers for BMW available in our store to choose the element best suited to the specific engine version and year.

When planning a turbocharger repair, it's also worth considering the cost-effectiveness of using used parts. Practical tips on how to sensibly reduce service costs while maintaining adequate quality can be found in the article "Rising Repair Costs and the Used Parts Boom – How to Save on Car Service?" , which discusses strategies for selecting used OEM parts and their impact on your car's operating budget.