Torque Converter BMW F20 F30 116d 118d 316d 318d N47N Automatic Gearbox GA8HP45

Torque Converter BMW F20 F30 116d 118d 316d 318d N47N Automatic Gearbox is an original component from the Torque Converters group, designed to work with the automatic transmission in BMW 1 Series F20 models with the N47N engine. This used OEM part ensures a factory fit, maintaining the proper operating parameters of the drivetrain and comfortable, smooth gear shifting.

Specifications and technical data

• SKU: 7544949
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7544949
• Substitutable numbers: 24407544949, 7544949, 24407647844, 7647844
• Gearbox type: Automatic
• Category: Torque Converters

Purpose and function in the drivetrain

The torque converter in a BMW automatic transmission is responsible for transferring torque from the engine crankshaft to the transmission, as well as damping torsional vibrations. For the N47N unit in 116d and 118d models, a correctly selected converter is crucial for:

• smooth starting without jerking,
• stable idle operation,
• efficient acceleration across the full rev range,
• protection of the internal components of the automatic transmission.

Selecting a torque converter dedicated to a specific engine-transmission configuration in the BMW F20 reduces the risk of improper transmission operation, oil overheating, or excessive vibrations while driving.

Benefits of using an original BMW torque converter

Using a component from the Torque Converters group sourced from BMW allows you to maintain the factory performance characteristics of the drivetrain. The original design ensures:

• compatibility with the automatic transmission control unit parameters,
• proper fitment to the flywheel and transmission housing,
• appropriate torque converter lock-up characteristics,
• preservation of the shift comfort typical for BMW F20 models.

As a result, after replacing the converter, you can restore proper drivetrain refinement, reduce slip, and improve throttle response, which translates into predictable vehicle behavior in daily use.

Compatibility with the automatic transmission

The presented torque converter is designed to work with the automatic transmission used in the BMW F20 116d and 118d with the N47N engine. Proper matching to the specific type of automatic transmission is important for:

• correct ATF pressure and flow inside the converter,
• proper operation of the converter lock-up under various loads,
• maintaining correct cooperation with the transmission control software.

Before installation, it is recommended to verify the part's compatibility with the transmission number and vehicle configuration to ensure trouble-free installation and stable operation of the entire system.

Part condition and service application

The item is offered as a used BMW part, which provides a reasonable compromise between repair costs and maintaining OEM quality. This type of solution is particularly attractive for comprehensive service work on an automatic transmission, where replacing the converter often accompanies changing the oil, filter, and seals.

A torque converter of this type is suitable both for standard repairs following symptoms such as jerking, excessive slip, or vibrations, as well as for preventive drivetrain regeneration in high-mileage vehicles.

Expanding the scope of repair and additional information

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other elements from the same group, such as torque converters, vibration damping elements, or components working with the automatic transmission, check out the available parts in the BMW Torque Converters category.

When deciding on choosing a component from the secondary market, it is worth analyzing the differences between new and used OEM components in terms of cost and durability – the following article may be helpful: New or used? A comparison of car part costs and quality.