BMW F10 F11 525d N47S1 Diesel Automatic Gearbox 7640070 GA8HP45Z WARRANTY

Listing details

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

BMW F10 F11 525d N47S1 Diesel Automatic Gearbox is a factory-original transmission from the Automatic gearboxes group, designed for diesel units in the BMW 5 Series. This used OEM component allows for a technically correct replacement of a damaged gearbox, maintaining the drive characteristics and gear-shifting comfort consistent with the manufacturer's standards.

Specifications and technical data

• SKU: 7640070
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7640070
• Substitutable numbers: 7640070, 24007640070
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and compatibility

The described automatic gearbox is designed to work with the diesel engine in BMW 5 Series F10/F11 generation models, specifically the 525d version with the N47S1 unit. The GA8HP45Z design belongs to the modern, eight-speed torque converter transmissions, ensuring smooth operation across the entire rev range and appropriate torque transfer typical for diesel engines.

By maintaining the original mounting architecture, the gearbox is ready for installation in place of the factory component, which facilitates workshop operations and limits the need for additional mechanical modifications.

Technical and design characteristics

The GA8HP45Z automatic transmission uses a classic torque converter system with multi-plate clutches and precise hydraulic control. This type of design is optimized for:

• smooth starting and gear shifting in urban conditions,
• stable transfer of the diesel engine's high torque,
• effective use of the rev range during highway driving.

This solution allows for maintaining proper dynamics while reducing fuel consumption, which is particularly important in business-class cars such as the BMW 5 Series.

Application in service practice

Replacing the automatic gearbox in a BMW F10/F11 525d with an N47S1 engine is a typical service operation in the event of mechanical failure, hydraulic damage, or transmission performance issues after high mileage. Using a complete, used GA8HP45Z gearbox allows for:

• reducing repair time compared to a full overhaul,
• maintaining the original gear-shifting characteristics,
• reducing operating costs while maintaining OEM standards.

For workshops specializing in the BMW brand, this is a solution that enables the efficient restoration of the drivetrain's functionality without the need for interfering with the vehicle's construction.

Benefits of choosing a used automatic gearbox

Choosing a used gearbox from the Automatic gearboxes group is a reasonable compromise between cost and functionality. The original BMW component maintains factory operating parameters while allowing for significant cost savings compared to purchasing a new transmission. For users who want to better understand the differences between new and used drivetrain components, OEM number selection procedures, and real cost ratios, the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths will be helpful.

Expanding the scope of repairs within the BMW drivetrain

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 a torque converter, control elements, or additional transmission components, check the available parts in the BMW automatic gearboxes category.