BMW F22 F23 F30 F31 F32 F36 220i 320i 420i N20 Manual Gearbox GS6-17BG WARRANTY

Listing details

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

BMW F22 F23 F30 F31 F32 F36 220i 320i 420i N20 Manual Gearbox GS6-17BG WARRANTY is an original, used manual gearbox designed for BMW models with the N20 petrol engine. It provides a solid solution for users seeking a factory-spec component with the correct operating parameters, ensuring precise torque transmission within the drivetrain.

Specifications and technical data

• SKU: 7633989
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7633989
• Substitutable numbers: 23007633989, 7633989, 23007609926, 7609926, 4595642
• Fuel type: Petrol
• Gearbox type: Manual
• Category: Manual Transmission

Purpose and compatibility

The presented gearbox belongs to the Manual gearboxes category and is structurally adapted to work with N20 series petrol engines in BMW F30 320i and F32 420i models. The use of a manual transmission in these versions allows for direct control over gear changes, which is particularly valued by drivers who prefer a more engaging driving style.

Its original BMW origin ensures the correct geometry of mounting points, appropriate gear ratios, and compatibility with factory vehicle equipment, such as the clutch system or gear shifter components.

Technical and operational characteristics

The manual gearbox has been designed to work with a petrol engine, which means it is matched to the rotational characteristics of the N20 unit and features appropriate gear ratios. This type of transmission provides:

• a mechanical, direct connection between the engine and the drivetrain,
• the ability to optimally utilize the rev range of the petrol engine,
• control over acceleration dynamics and engine braking.

Thanks to the design intended by the vehicle manufacturer, the gearbox works with factory drivetrain components, which facilitates installation and limits the need for additional modifications.

Use in service and repairs

A used manual gearbox for a BMW with a petrol engine is suitable both for a standard replacement of a damaged transmission and for more extensive drivetrain repairs. Choosing an original unit from the same design family allows for maintaining consistency in operating parameters and facilitates diagnostics and subsequent service.

Before installation, a standard workshop procedure is recommended, including checking for leaks, verifying mounting points, and matching it to the existing vehicle equipment. This approach promotes trouble-free operation and reduces the risk of improper drivetrain performance.

Support in selection and additional information

When selecting a used manual gearbox for a specific BMW version, it is crucial to verify compatibility with the model designation, engine type, and drivetrain configuration. In case of doubt, it is worth consulting a mechanic or technical advisor to ensure that the selected transmission will work correctly with the existing system.

For those who want to deepen their knowledge about typical transmission failures and the principles of safely purchasing a used gearbox, the following guide will be helpful: Gearbox: manual, automatic or DSG – typical failures and a guide to buying a used gearbox. The article discusses the differences between types of gearboxes, points out characteristic signs of wear, and suggests what to look for when choosing a component from the secondary market.

Related items from the same group

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 other manual transmissions, housings, or components cooperating with the shifter, check the available parts in the BMW manual gearboxes category.