Torque Converter BMW E87 E90 120i 320i N46 GA6HP19Z Automatic Transmission

The BMW E87 E90 120i 320i N46 GA6HP19Z Torque Converter is an original drivetrain component designed for automatic transmissions in select BMW 1 Series and 3 Series models. Its factory-designed construction ensures proper compatibility with the N46 engine and the GA6HP19Z automatic transmission, contributing to stable drivetrain operation. This is the ideal solution for users seeking a part that matches the original BMW factory specifications.

Specifications and technical data

• SKU: 7588735
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7588735
• Substitutable numbers: 7588735, 24407588735, 7585398, 24407585398, 7562372, 24407562372
• Gearbox type: Automatic
• Category: Torque Converters

Application and Compatibility

The torque converter presented here is designed for automatic transmissions fitted in BMW 1 Series E87 and 3 Series E90 models with the N46 engine, specifically the 120i and 320i versions. Its design, tailored for the GA6HP19Z transmission, maintains optimal drivetrain performance parameters, including smooth starts, appropriate torque transfer, and correct operation of the torque converter lock-up clutch.

By using an original BMW solution, compatibility with the factory settings of the automatic transmission control unit is ensured, minimizing the risk of malfunctions, jerking, or excessive slippage during gear changes.

Construction and Role in Automatic Transmission

In this BMW model, the torque converter plays a crucial role in the drivetrain, connecting the engine to the automatic transmission. It is responsible for:

• Hydrokinetic transfer of torque from the crankshaft to the automatic gearbox,
• Damping torsional vibrations generated by the engine,
• Cooperation with the torque converter lock-up clutch to reduce energy loss,
• Ensuring smooth starts and gear changes in automatic mode.

Selecting the correct torque converter for the specific GA6HP19Z transmission directly impacts gear shifting comfort, drivetrain refinement, and the longevity of other transmission components.

Benefits of Using an Original BMW Torque Converter

Using an original torque converter specifically designed for the BMW E87 and E90 with the N46 engine allows for the preservation of parameters intended by the vehicle manufacturer. Key benefits include:

• Factory-matched to the engine and automatic transmission characteristics,
• Stable performance during acceleration and deceleration,
• Reduced risk of transmission control unit malfunctions,
• Compatibility with existing mounting points and factory accessories.

For users looking to restore proper automatic transmission function after a failure or wear of the existing component, this torque converter offers a practical and technically sound solution.

Condition, Verification, and Part Selection

The offered BMW torque converter comes from the Torque Converters category and is a used part, enabling an economical drivetrain repair while maintaining original specifications. Before installation, it is recommended to verify its compatibility with your vehicle, particularly regarding the automatic transmission type and engine version.

The part has an assigned OEM part number and related interchangeable numbers, which simplifies identification and selection of the correct variant based on BMW service documentation or parts catalogs. If in doubt, it is advisable to compare the markings with the currently installed torque converter or consult a service center specializing in this brand's automatic transmissions.

Repair Extension and Additional Information

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and require other components from the same group, such as different torque converters, torque converter clutch elements, or components that work with the automatic transmission, please check the available parts in the BMW Torque Converters category.

If you wish to better plan your repair and compare different solutions based on used parts, our guide describing the most frequently chosen original components for popular models may be helpful – you can find it here: Best Used Car Parts – A Guide to the Most Popular Original Components.