BMW E82 E90 E91 E92 Turbocharger Vacuum Can 135i 335i Petrol N54 7649289

The BMW E82 E90 E91 E92 135i 335i N54 Petrol Turbo Actuator is an original turbocharger and parts component designed for the supercharging systems of BMW N54 petrol engines. This actuator ensures factory-corrected turbine performance while maintaining proper boost pressure control parameters.

Specifications and technical data

• SKU: 7649289-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7649289
• Substitutable numbers: 7649289, 11657649289, 7563685, 11657563685, 4564710, 11654564710, 7593018, 11657593018, 4555418, 11654555418, 7583863, 11657583863, 7563692, 11657563692, 7649292, 11657649292, 4564713, 11654564713, 49131-18655
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and function in the supercharging system

The turbo actuator is responsible for precisely controlling the turbocharger geometry or wastegate in the N54 petrol engine, used in models such as the BMW 1 and 3 Series. A properly functioning component helps maintain stable boost pressure, which translates into smooth acceleration, predictable throttle response, and reduced risk of overcharging.

In supercharged gasoline engines, maintaining proper coordination between the engine control unit, turbocharger, and actuator is particularly important. Replacing a worn actuator with a functional OEM component helps restore:

• stable operation of the turbine in the full speed range,
• correct dynamics at low and medium speeds,
• safe boost pressure values under high load conditions.

Technical characteristics and compatibility

The actuator presented here is from the original BMW supercharger system and is designed for use with petrol engines. This ensures compatibility with the factory ECU maps and the turbocharger's operating parameters as specified by the manufacturer.

The component is assigned an OEM part number and a set of interchangeable numbers, making it easy to verify compatibility with your specific vehicle configuration. Before purchasing, we recommend comparing the data with your vehicle's technical specifications or consulting with a mechanic to confirm compatibility with your specific engine and turbocharger version.

Condition, origin and advantages of using a used part

The actuator is offered as a used part, derived from the original BMW system. These components are a popular choice as a cost-effective alternative to new components, while retaining their factory design and proper performance characteristics. A used actuator can be a good solution for:

• diagnostics and removal of errors related to turbine operation,
• repair of the charging system after a mechanical failure,
• restoring the serial configuration after unsuccessful modifications.

Using an original actuator from the same engine family reduces the risk of adaptation problems, incorrect cable travel or engine controller errors.

Benefits of a properly functioning turbo actuator

A functioning turbocharger actuator in the N54 petrol engine directly impacts the safety and durability of the entire drivetrain. Replacing it with a properly selected component can bring tangible benefits:

• stable performance – predictable throttle response, no jerking or power drops,
• turbocharger protection – reducing the risk of overloading and overloading the rotor,
• better engine performance – reduction of errors related to boost pressure,
• optimal combustion – proper charging helps maintain the correct fuel-air mixture.

Technical support and additional materials

When planning a turbocharger repair, it's also worth considering other components from the same group. If you need other turbochargers and parts for BMW, check out our dedicated category: turbochargers and parts for BMW . This will make it easier to assemble the necessary components for a comprehensive repair.

If you want to better plan your car's maintenance and optimize operating costs, check out the practical advice in the article " TOP 10 Most Frequently Replaced Parts in Your Car ." This is a helpful resource when deciding on preventative component replacement, including turbocharger components.