Automatic Gearbox BMW F20 F21 F30 F31 F32 F33 F36 B48 GA8HP50Z 8486704 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 F20 F21 F30 F31 F32 F33 F36 B48 GA8HP50Z is a factory-original automatic transmission from the Automatic gearboxes family, designed for BMW F-series petrol engines. This is an OEM solution that allows for professional drivetrain repair while maintaining original performance parameters and gear-shifting characteristics.

Specifications and technical data

• SKU: 8659919
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8659919
• Substitutable numbers: 8659919, 24008659919, 8627837, 24008627837, 8486704, 24008693348, 8693348, 24008484646, 8484646, 24008744703, 8744703, 24009487622, 9487622
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Automatic Transmission

Application and technical specifications

The presented GA8HP50Z automatic gearbox is a unit designed to work with B48 series petrol engines in BMW F20 and F30 models. It belongs to a modern generation of torque converter transmissions that combine smooth gear shifting with noticeably dynamic acceleration. Thanks to its factory configuration, it ensures consistent operation with the vehicle's electronics, safety systems, and driving modes.

Automatic gear control allows for comfortable operation both in city traffic and on the highway, and the properly selected gear ratios support efficient use of the petrol engine's torque. For workshops and users, this means predictable drivetrain behavior after replacement, without the need for structural modifications.

Benefits of using an original automatic gearbox

Using the original GA8HP50Z gearbox in a BMW F20/F30 with a B48 engine allows for the preservation of factory drivetrain performance parameters. Key advantages include:

• consistent cooperation with the vehicle's factory control software,
• gear ratios properly matched to the characteristics of the petrol engine,
• preservation of the manufacturer-intended operating culture and smoothness of gear changes,
• reduced risk of compatibility issues compared to non-factory replacements.

For the user, this means stable, predictable car behavior after repair, and for the service center – easier diagnostics and configuration. Choosing a component from the Automatic gearboxes category that complies with factory specifications is particularly important in vehicles equipped with advanced driver assistance systems.

Condition, origin, and installation aspects

The offered gearbox belongs to the group of used parts, which allows for a significant reduction in repair costs compared to purchasing a new component, while maintaining the original design. This is a solution often chosen by professional workshops specializing in the BMW brand, where both repair economy and compliance with factory technical assumptions are important.

Before installation, a standard service procedure is recommended, including checking accessories, changing the oil and filter in accordance with the vehicle manufacturer's recommendations, and performing gearbox adaptation in the controller after installation. Such an approach minimizes the risk of subsequent irregularities in the drivetrain operation and allows for full utilization of the potential of the installed automatic transmission.

OEM selection and technical support

The element has a dedicated OEM part number and associated interchangeable numbers, which facilitates precise identification and selection for a specific BMW F20 or F30 configuration. Before purchasing, it is worth verifying compatibility using the VIN number and based on the vehicle's service documentation to ensure full mechanical and electronic compatibility.

For users and workshops who want to deepen their knowledge about the cost-effectiveness of installing used transmissions and the procedures for selection by VIN and OEM, the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, describing, among other things, typical repair scenarios and cost ratios, will be helpful.

Expanding work 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 additional automatic transmissions, compatible torque converters, or other control units, check the available parts in the BMW automatic gearboxes category.