BMW E65 E66 735i Petrol N62 Automatic Auto Gearbox GA6HP26Z 7530961 WARRANTY

The BMW E65 E66 735i N62 GA6HP26Z Transmission is an automatic gearbox designed for gasoline engines, engineered for smooth, comfortable, and dynamic gear changes. Thanks to its factory BMW design, the transmission works cohesively with the drivetrain, ensuring stable torque transfer and predictable throttle responses. This is the solution for users who want to restore proper drivetrain operation in their 735i without compromising driving characteristics.

Specifications and technical data

• SKU: 7530961
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7530961
• Substitutable numbers: 24007530961, 7530961, 24007528954, 7528954
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Other Transmission & Drivetrain

Technical Characteristics of the GA6HP26Z Transmission

The GA6HP26Z automatic transmission used in BMW 7 Series E65/E66 models with the N62 engine is a design developed for the high torque of a gasoline unit. The transmission's control system and hydraulics have been calibrated to ensure:

• smooth gear shifts across the entire RPM range,
• stable power transfer under higher loads,
• seamless integration with the N62 engine electronics,
• comfortable operation for daily driving and spirited performance.

Thanks to its dedicated design for gasoline engines, the correct gear-shifting characteristics are maintained, resulting in predictable vehicle behavior in various driving modes.

Application in BMW E65/E66 735i

The presented automatic transmission has been specifically developed for the 7 Series E65/E66 generation in the 735i version with the N62 engine, meaning it is tailored to the body architecture, drivetrain, and factory mounting points. This solution simplifies installation and reduces the need for additional modifications.

In practice, this translates to:

• maintaining original acceleration characteristics,
• proper cooperation with factory control units,
• consistent operation with comfort and safety systems.

For 7 Series owners, it is important that an original automatic transmission allows for the restoration of factory driving feel without the need for software modifications or installations.

Condition, Origin, and Benefits of Choosing a Used Part

The offered BMW transmission comes from the used parts segment, which significantly reduces repair costs compared to new components while maintaining the original manufacturer's design. For many 7 Series users, this is a sensible compromise between quality and budget, especially for advanced drivetrain components.

Choosing a used automatic transmission offers:

• the ability to maintain original BMW specifications,
• better cost-effectiveness for repairing older 7 Series generations,
• a chance to extend the vehicle's life without sacrificing automatic comfort.

Additionally, the presence of OEM part numbers and interchangeable numbers in the technical specifications facilitates verification of compatibility with your specific vehicle configuration.

Selection and Compatibility with Other Drivetrain Components

To fully utilize the potential offered by the automatic transmission for BMW 735i N62, it is crucial to match it with the existing drivetrain, including the control unit, wiring harness, and engine accessories. Information contained in the specifications, such as brand, fuel type, and transmission type, allows for precise comparison with the vehicle's current configuration.

In practice, when selecting, it is worth paying attention to:

• compatibility with the N62 gasoline engine,
• the type of automatic transmission used,
• integration with the factory control software.

This approach minimizes the risk of post-installation issues and ensures predictable vehicle behavior under all conditions.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other components from the same group, such as automatic transmissions, control elements, or parts cooperating with the drivetrain, check the available parts in the Other BMW category.

Technical Support and Vehicle Project Development

For users interested in comparing the characteristics of advanced sport versions with classic premium models, a material discussing the differences in engine, brake, and chassis construction may be helpful. In this context, it is worth reading the article Audi RS vs. Other Models – What's Under the Hood and Chassis?, which shows how manufacturers design drivetrains for different applications.

If, on the other hand, your goal is the long-term maintenance or refurbishment of an older BMW using parts from the secondary market, you will find practical tips for planning such upgrades in the guide Second Life for a Youngtimer – How Used Car Parts Revitalize Cars from 1998–2012. This is a good supplement to your knowledge when making decisions about replacing key drivetrain components in the 7 Series.