BMW E65 730d M57N2 Automatic Auto Gearbox 7556842 7556541 GA6HP26Z WARRANTY

Listing details

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

BMW E65 730d M57N2 Automatic Auto Gearbox 7556842 7556541 GA6HP26Z WARRANTY is a factory-original, used transmission from the Automatic gearboxes segment, designed to work with the M57N2 diesel engine in the 7 Series E65. The original BMW design ensures proper gear ratios, smooth gear shifts, and correct integration with the vehicle's electronics, which is crucial for driving comfort and drivetrain durability.

Specifications and technical data

• SKU: 7556842
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7556842
• Substitutable numbers: 24007556842, 7556842, 24007550785 24007556541, 7550785 7556541
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics and purpose

The presented automatic transmission was designed specifically for the BMW 7 Series E65 drivetrain with the M57N2 unit. Using a gearbox from the same design family as the factory-installed one allows for maintaining the correct drive characteristics, including appropriate gear ratios, compatibility with the control module, and vehicle safety systems.

Gearbox type: automatic – the transmission performs gear changes without driver intervention, which translates into comfortable, predictable acceleration and stable vehicle behavior in various road conditions. This solution is particularly important in heavier luxury sedans, where the smoothness of the drivetrain has a direct impact on the perceived travel comfort.

Benefits of using an original BMW automatic gearbox

Choosing an original, used automatic gearbox for the BMW E65 730d M57N2 brings a number of practical advantages:

• preservation of factory gear shifting characteristics and engine cooperation,
• proper integration with vehicle electronics (transmission control unit, safety systems, driving modes),
• reduction of risks resulting from improper transmission selection,
• possibility of direct replacement for a worn-out unit, without the need for structural modifications.

Thanks to this, installing such a gearbox is a technically safe and predictable solution, which is important both for workshops specializing in the BMW brand and for users expecting stable vehicle operation.

Condition, origin, and practical application

The offered gearbox comes from a dismantled BMW vehicle and is marked as used, which allows for an economical repair of the drivetrain while maintaining the manufacturer's original specifications. This type of solution is particularly beneficial in the event of a transmission failure, when the cost of a full overhaul or purchasing a new unit is disproportionately high relative to the car's value.

The GA6HP26Z automatic gearbox used in the BMW E65 730d M57N2 is a widely used design in this generation, which facilitates servicing and access to technical knowledge in specialized workshops. In practice, this translates into more efficient diagnostics, faster installation, and the ability to precisely match it to a specific vehicle configuration.

Selection, compatibility, and service aspects

When selecting an automatic gearbox for the BMW E65 730d M57N2, it is crucial to verify compatibility with the powertrain, controller software, and vehicle equipment (e.g., driving modes, driver assistance systems). An original transmission from the same design family minimizes the risk of communication problems on the bus, incorrect gauge operation, or controller errors.

During installation, it is recommended to perform standard service procedures, such as changing the transmission oil, filter, and seals, as well as performing a transmission adaptation using appropriate diagnostic software. This approach allows for extending the transmission's lifespan and ensuring stable operation in the long term.

If you are planning a comprehensive repair or upgrade of your BMW's drivetrain and need other components from the same group, such as a torque converter, control elements, or additional transmission parts, check out the available parts in the BMW Automatic gearboxes category.

Why choose an original used gearbox?

In the event of a transmission failure, many users consider an overhaul or purchasing a replacement. An original, used BMW automatic gearbox often proves to be a more predictable solution in terms of durability and maintaining factory performance parameters. It is worth reading a broader discussion on the topic in the article: Manual gearbox failures in cars – why is an original used part a more reasonable choice than an overhaul?, which describes the differences between an overhaul and installing original parts from dismantling.

Summary

BMW E65 730d M57N2 Automatic Auto Gearbox 7556842 7556541 GA6HP26Z WARRANTY is an original, used automatic transmission designed to work with the M57N2 engine in the 7 Series E65. Using a factory gearbox from the Automatic gearboxes group allows for maintaining the correct drive characteristics, ensures compatibility with vehicle electronics, and represents a technically safe solution when repairing or replacing a damaged unit.