BMW E90 E91 E92 335i Petrol N54 Automatic Auto Gearbox 7566909 GA6HP19Z WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order.

BMW E90 E91 E92 335i Petrol N54 Automatic Auto Gearbox is a factory-original, used automatic transmission designed for 3 Series models with the N54 petrol engine. It serves as a solid foundation for professional drivetrain repair, ensuring proper structural fitment and compliance with BMW factory specifications. By maintaining the original gearbox architecture, the installation process is predictable and technically organized, which facilitates workshop operations.

Specifications and technical data

• SKU: 7566909
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7566909
• Substitutable numbers: 7566909, 24007566909
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and compatibility

The offered gearbox comes from the BMW automatic transmissions family and is structurally matched to the N54 petrol unit in E90 and E91 335i models. Using a transmission from the same model line allows for maintaining proper cooperation with the drivetrain, vehicle electronics, and factory mounting points. For workshops, this means predictable installation time and a reduction in the need for additional modifications.

Technical characteristics of the automatic transmission

The gearbox belongs to the group of automatic petrol transmissions, which means it is designed to work with a petrol-powered system. The automatic design ensures smooth gear shifting, stable torque transfer, and comfortable operation under typical road conditions. Using a dedicated transmission for the N54 engine allows for proper tuning of the gear-shifting characteristics to the torque curve of this unit.

The automatic transmission in this model is designed for dynamic driving, typical of the 335i version, while maintaining the refinement appropriate for a premium class car. Proper transmission oil cooling and matching gear ratios to the engine's character promote stable operation with correct maintenance.

Application in service practice

Replacing the gearbox with an original automatic unit dedicated to the E90/E91 335i with the N54 engine is a frequently chosen solution in the case of serious faults, such as gear selection issues, jerking, or loss of drive. Using a complete transmission from the same model family facilitates:

• maintaining proper cooperation with the factory automatic transmission control system,
• maintaining correct shift points for the petrol engine,
• reducing the risk of mechanical and electronic incompatibility.

For the user, this means predictable vehicle behavior after repair and the ability to restore the original character of the drivetrain operation.

Condition, verification, and part selection

The item comes from the secondary market, which allows for cost-effective repairs while maintaining the original BMW design. Before installation, standard workshop procedures are recommended: leak testing, verification of mounts, checking connectors, and preparing the transmission oil cooling system. Proper selection of the gearbox for a specific vehicle should take into account the manufacturer's markings and vehicle parameters.

To better understand the differences between manual, automatic, and DSG transmissions, typical faults, and key aspects of purchasing a used gearbox, it is worth reading the guide: Gearbox: manual, automatic, or DSG – typical faults and a guide to buying a used gearbox. Additionally, when selecting a transmission based on manufacturer markings and vehicle data, the following material will be helpful: Guide: how to choose the right car part by VIN and OEM number.

BMW automatic transmissions – expansion and modernization

If you are planning a comprehensive repair or modernization of the drivetrain area in your BMW and need other components from the same group, such as a torque converter, control elements, or additional transmission sub-assemblies, check the available parts in the category BMW automatic transmissions.

Summary

BMW E90 E91 E92 335i Petrol N54 Automatic Auto Gearbox is a sensible choice for drivers and workshops that want to restore the proper operation of the drivetrain while maintaining factory driving characteristics. The original design of the automatic petrol transmission, matched to the N54 engine, promotes stable operation after proper installation and service, providing a practical solution for more serious faults of an existing gearbox.