Automatic Gearbox BMW E65 730i N52 GA6HP19Z 7556045 WARRANTY

Listing details

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

Automatic Gearbox BMW E65 730i N52 GA6HP19Z is an automatic transmission designed for the petrol engine, specifically engineered for the 7 Series E65 with the N52 engine. The original BMW design ensures consistency with the vehicle's factory electronics, and the applied automatic gear-shifting technology supports smooth, comfortable, and predictable drivetrain operation. This is a solution for users who expect to maintain driving characteristics in line with the manufacturer's factory specifications.

Specifications and technical data

• SKU: 7556045
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7556045
• Substitutable numbers: 7556045, 24007556045, 7556570, 24007556570, 7550174, 24007550174
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and compatibility

The presented gearbox belongs to the Automatic transmissions category and has been developed for the BMW 7 Series E65 model in the 730i version with the N52 petrol engine. Using a dedicated automatic transmission allows for maintaining correct shift points, appropriate acceleration characteristics, and proper cooperation with the engine control system and vehicle safety systems.

Its original BMW origin means that factory assembly standards are maintained, which facilitates integration with existing equipment, wiring harnesses, and the gearbox cooling system. As a result, this transmission is the right choice for repairs where maintaining compliance with the manufacturer's service documentation is crucial.

Technical characteristics of the transmission

The GA6HP19Z gearbox is an automatic construction adapted to work with a petrol engine. The applied transmission type ensures:

• automatic gear shifting without driver intervention,
• stable torque transfer across the full load range,
• smooth starting and downshifting, essential for city and highway driving,
• optimized cooperation with the N52 engine control system.

Thanks to the factory design tailored to a specific model and power unit, the gearbox maintains the correct gear ratios and operating logic matched to the character of the luxury limousine that is the BMW E65 730i.

Application in service practice

This type of automatic transmission is used both for standard replacement of a worn-out gearbox and for more extensive drivetrain repairs. Choosing an original unit from the same design family allows for reducing the risk of software, sensor, and control element compatibility issues. This is particularly important in high-end vehicles, where the drivetrain is tightly integrated with comfort and safety systems.

The transmission is suitable for users who expect to maintain the factory gear-shifting character without the need to adapt replacement solutions or modify the installation. Consistency with the original BMW architecture translates into predictable vehicle behavior after the repair is completed.

Condition and selection verification

The offered gearbox comes from the used parts segment, which allows for significantly reducing repair costs compared to new components while maintaining the original manufacturer's specifications. In workshop practice, it is important to correctly match the transmission to the specific vehicle configuration, which is why it is worth using the manufacturer's markings and vehicle data when selecting.

To better understand the principles of safely selecting components from the secondary market, including automatic transmissions, it is worth reading an expert guide describing facts and myths regarding such components – they are discussed in detail in the article Why it is worth buying used gearboxes and engines – facts instead of myths.

Expanding the scope of repair

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, control elements, or additional transmission components, check the available parts in the BMW automatic transmissions category.