BMW F40 118i Manual Gearbox 6 Speed 1.5 Petrol GS6-58BG ADC 8689381 WARRANTY

BMW F40 118i Manual Gearbox 6 Speed 1.5 Petrol GS6-58BG ADC is an original, factory-spec transmission from the Manual Gearboxes family, designed to work with the 1.5 petrol engine in the BMW 1 Series F40 model. This is a solution for users who expect precise gear shifting, the preservation of factory driving parameters, and full compatibility with the BMW drivetrain.

Specifications and technical data

• SKU: 8689381
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8689381
• Substitutable numbers: 8689381, 23008689381, 8482138, 23008482138
• Fuel type: Petrol
• Gearbox type: Manual
• Part type: Manual Transmission
• Category: Manual Transmission

Technical characteristics and purpose

The presented gearbox belongs to the group of modern, six-speed manual transmissions from BMW, designed to work with the 1.5 petrol unit. The manual construction ensures a direct, mechanical connection between the driver and the drivetrain, which translates into predictable vehicle behavior and good control over torque. The six-speed layout allows for optimal gear ratios – lower gears support dynamic acceleration and flexibility in city driving, while higher gears favor relaxed highway driving and stable engine RPM. The gearbox has been developed with the specifics of the BMW F40 118i drivetrain in mind, ensuring it maintains the correct shift points and operating characteristics consistent with the manufacturer's factory specifications.

Benefits of using an original BMW manual gearbox

Using an original BMW manual transmission to replace a worn or damaged component helps maintain the integrity of the entire drivetrain. Proper matching to the 1.5 petrol engine limits the risk of improper clutch operation, excessive vibrations, or noise resulting from mismatched gear ratios. This is particularly important in modern designs where engine and drivetrain control are tightly integrated. The manual gearbox in this model allows the driver to consciously manage engine RPM, which is beneficial for both driving dynamics and fuel economy. Properly selected gear ratios help keep the power unit in the optimal operating range, thereby reducing excessive mechanical stress. Choosing an original component also provides greater predictability of the vehicle's behavior after repair – operating parameters remain close to those the driver is familiar with from the factory configuration.

Condition, verification, and preparation for installation

The offered gearbox comes from the used parts segment, which allows for a rational balance between purchase cost and the preservation of the original BMW design. Such components are frequently chosen by workshops specializing in the brand, as they allow for the restoration of full drivetrain functionality without the need to interfere with the transmission's design. Before installation, standard service procedures typical for Manual Gearboxes are recommended, such as checking for leaks, verifying mounting points, inspecting the condition of associated equipment (clutch, slave cylinder, mounting bushings), and using oil with the specifications recommended by BMW. Correct installation and bleeding of the clutch system are crucial for the operating quality and durability of the transmission.

Selection and compatibility with the BMW F40 118i

This manual gearbox has been designed to work with the petrol drivetrain in the BMW F40 118i, which means compatibility with factory mounting points, axle geometry, and control characteristics. When selecting a transmission for a specific vehicle, it is worth paying attention to the compatibility of the engine version, fuel type, and gearbox type (manual) to avoid problems with installation and subsequent operation. For workshops and users planning a transmission replacement, it is important that using an original, used gearbox often helps reduce vehicle downtime – installation proceeds in a manner similar to replacing a factory component, without the need for adaptations or structural modifications.

Technical support and additional materials

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 housings, selectors, or mounting elements, check out the available parts in the BMW Manual Gearboxes category. To better plan your repair and consciously compare the purchase of an original used transmission with a remanufacturing service, it is worth reading the guide describing typical failure symptoms, the replacement process, and cost differences – detailed information can be found in the article Manual gearbox failures in cars – why is an original used part a more reasonable choice than remanufacturing?. Additional assistance in choosing the right type of transmission and assessing its condition can also be found in a practical guide to different types of gearboxes, their typical faults, and purchase criteria, available in the material Gearbox: manual, automatic, or DSG – typical faults and a guide to buying a used gearbox.