BMW F30 F33 320d N47N Automatic Auto Gearbox 8623595 GA8HP45 WARRANTY

Listing details

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

BMW F30 F33 320d N47N Automatic Auto Gearbox is a factory-original drivetrain component from the Automatic gearboxes category, designed for BMW 3 Series models with the N47N engine and electronically controlled drive. Using this type of used automatic transmission allows for the preservation of the original gear-shifting characteristics, which is essential for both driving comfort and the durability of the entire drivetrain.

Specifications and technical data

• SKU: 8623595
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8623595
• Substitutable numbers: 24008623595, 8623595, 24008614195, 24007647343, 8614195, 7647343, 24009487556, 9487556, 24008486827, 8486827, 24008685313, 8685313, 24008681097, 8681097, 24008638271, 8638271, 24007642244, 7642244, 24007640096, 7640096, 24007642245, 7642245, 24007640097, 7640097, 24007619342, 7619342
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics of the GA8HP45 gearbox

The presented gearbox belongs to a modern family of eight-speed automatic transmissions widely used in BMW models with diesel engines. The GA8HP45 design was developed for smooth, predictable gear changes and efficient use of the N47N unit's torque, which translates into stable acceleration and comfortable driving across the full speed range.

The automatic transmission control system works in tandem with the vehicle's electronics, allowing the gear-shifting strategy to adapt to the driver's style. As a result, the gearbox maintains optimal engine RPM, reduces unnecessary downshifts, and supports fuel economy while maintaining appropriate dynamics.

OEM selection and interchangeable numbers

This automatic transmission is an original BMW component, which means full compliance with the manufacturer's factory standards regarding mounting dimensions, operating characteristics, and communication with the vehicle's control systems. The product specification includes the OEM part number and related interchangeable numbers, which facilitate precise verification of compatibility with a specific BMW F30 or F33 version.

Before purchasing, it is recommended to compare the vehicle data (including VIN and gearbox numbers) with the information in the specification to ensure proper fitment for the specific unit. This selection method minimizes the risk of mechanical or electronic incompatibility and reduces installation time in the workshop.

If you want to better understand how to safely choose used transmissions and other drivetrain components, it is worth checking out the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which describes procedures for selection by VIN and OEM along with practical examples.

Application in BMW 320d N47N

The GA8HP45 automatic gearbox was designed to work with the N47N engine in BMW 3 Series models, ensuring consistent operation with the drivetrain, safety systems, and onboard electronics. Using a transmission from the same family as the factory-installed one allows for the retention of original gear ratios, operating characteristics in driving modes, and the correct functioning of additional features, such as comfort or more dynamic modes.

For workshops and users, this means the possibility of performing a replacement based on a proven, serial design, without the need for modifications to the installation or software beyond the standard service procedures provided for this type of transmission.

Benefits of choosing a used automatic gearbox

Choosing a used gearbox from the Automatic gearboxes group for the BMW 320d N47N is a cost-effective solution while maintaining factory technical specifications. The original OEM transmission ensures proper fitment with the engine, driveshaft, and oil cooling system, which limits the risk of installation issues.

A used component of this type allows for a significant reduction in repair costs compared to a new transmission, while maintaining compliance with BMW service documentation. For workshops, this means faster service completion, and for the user – the ability to restore full vehicle functionality within a reasonable budget.

To better plan the vehicle's downtime at the service center and understand the impact of part availability on repair progress, you can read the article Availability of car parts off-the-shelf vs. repair time – how used OEM parts shorten workshop stays?, which describes the practical aspects of using used OEM components.

Repair expansion within BMW automatic gearboxes

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 hydraulic components, check out the available parts in the BMW automatic gearboxes category.