BMW E65 730d M57N Automatic Auto Gearbox 7539119 7536605 GA6HP26Z WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

BMW E65 730d M57N Automatic Auto Gearbox is an original dismantled part, designed for 7 Series models with the M57N diesel engine and automatic transmission. Thanks to its factory BMW design and full compatibility with the drivetrain, it serves as a direct replacement for a damaged gearbox without the need for mechanical modifications. This is a solution for users who prefer a proven, used part over costly refurbishment.

Specifications and technical data

• SKU: 7544613
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7544613
• Substitutable numbers: 24007544613, 7544613, 24007539119, 24007534591, 24007536605, 24007532366, 7539119, 7534591, 7536605, 7532366
• Gearbox type: Automatic
• Category: Automatic Transmission

Application and compatibility

The presented gearbox belongs to the BMW Automatic Gearboxes group and has been designed to work with the M57N unit in the E65 730d model. The GA6HP26Z design ensures smooth gear shifting, proper torque transfer, and correct operation with the vehicle's factory electronic control system. Its original BMW origin minimizes the risk of mechanical and hydraulic fitment issues.

Construction and technical characteristics

The gearbox belongs to a modern family of automatic transmissions, where the priority is driving comfort and efficient use of the diesel engine's torque. The applied automatic gear-shifting technology allows for:

• smooth acceleration without jerking,
• stable gear maintenance during highway driving,
• optimal gear matching to the characteristics of the M57N engine.

Thanks to the factory BMW design, the gearbox works with the transmission oil cooling system and the original control software, which translates into predictable drivetrain behavior.

Benefits of installing an original used gearbox

Choosing an original BMW automatic gearbox from dismantling is a solution that often proves more cost-effective than a full refurbishment of a worn-out transmission. You receive a complete assembly that has been operated under real-world conditions, without interference with the factory design. For many users, this means:

• lower total repair cost compared to refurbishment,
• preservation of the factory transmission operating parameters,
• no risk of incorrect assembly or the use of non-original parts during the repair process.

If you are considering whether it is better to opt for refurbishment or a complete transmission from dismantling, it is worth reading our guide: Manual gearbox failures – when is an original used transmission a more reasonable choice than refurbishment. Although the article concerns manual gearboxes, it discusses the general principles of the cost-effectiveness of replacing an entire assembly.

Condition, verification, and preparation for installation

The gearbox comes from legal dismantling and is offered as a used assembly, which means it shows signs of normal wear and tear but has been verified for suitability for further use. Before installation, standard service procedures are recommended, such as changing the transmission oil, filter, and checking seals, in accordance with BMW procedures. This approach increases the durability of the drivetrain and reduces the risk of subsequent leaks.

For workshops specializing in the BMW brand, the GA6HP26Z gearbox is a well-known design, which facilitates diagnostics, adaptation, and potential coding after installation. This allows vehicle downtime to be kept to a minimum.

Expansion and retrofitting of BMW with used parts

If you are planning broader work on the drivetrain or upgrading equipment in your BMW, it is worth considering the use of other original parts from dismantling – this allows you to maintain the technical consistency of the car at reasonable costs. You can read about the possibilities of such an approach in our guide: professional BMW retrofitting using parts from higher equipment versions, where it is described how to safely and economically retrofit a car.

Related BMW Automatic Gearboxes

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