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BMW F74 Gran Coupe Double Clutch Automatic Gearbox GN7Y40T 5B79921 WARRANTY
SKU: 5B79921
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Used
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BMW F74 Gran Coupe Double Clutch Automatic Gearbox GN7Y40T is a precisely engineered, used transmission from the Automatic gearboxes category, dedicated to BMW Gran Coupe series models. The dual-clutch design ensures fast, smooth gear shifts and stable drivetrain operation, which translates into a comfortable and predictable driving experience. This is a solution for users who expect proven, original BMW technology while maintaining reasonable maintenance costs.
Specifications and technical data
- SKU: 5B79921
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 5B79921
- Substitutable numbers: 28005B79921, 5B79921, 28005B4D471, 5B4D471
- Gearbox type: Automatic
- Part type: Automatic Transmission
- Category: Automatic Transmission
Technical characteristics and intended use
The presented gearbox belongs to the BMW automatic gearboxes group and utilizes a dual-clutch system, which allows for very fast gear changes without noticeable jerking. The automatic type means that control is performed electronically and hydraulically, with full integration with vehicle systems, such as the engine control unit or safety systems. The dual-clutch automatic gearbox in the BMW F74 Gran Coupe has been designed with dynamic yet comfortable driving in mind. The construction enables efficient torque transfer, reduces drivetrain losses, and supports an economical driving style, especially in driving modes focused on fuel efficiency.
Benefits of using an original BMW gearbox
Using an original transmission in the BMW F74 Gran Coupe ensures:
- preservation of factory gear shifting characteristics and drivetrain operation,
- proper cooperation with factory controller software,
- consistency with the existing electrical and mechanical architecture of the vehicle,
- proper fitment to the parameters of the power unit. Thanks to this, the installation of such a gearbox is predictable in terms of the final result – the car behaves according to the manufacturer's specifications, and the driver receives the familiar, comfortable operating characteristics of an automatic transmission. This is particularly important in the case of advanced, dual-clutch solutions, where control precision is crucial for durability and operating culture.
Practical aspects of installation and operation
The used dual-clutch automatic gearbox for the BMW F74 Gran Coupe is a good choice for post-accident repairs, replacing a worn-out transmission, or restoring full drivetrain efficiency. In practice, this allows for a significant reduction in service costs compared to purchasing a new component, while maintaining the original technical specification. Before installation, standard service procedures typical for automatic gearboxes are recommended, such as checking the condition of the transmission fluid, seals, and mounting elements. Properly performed installation and adaptation of the gearbox in the vehicle enables trouble-free operation and stable performance across the full load range.
BMW automatic gearboxes – expansion and service
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 transmission housings, control elements, or additional hydraulic components, check the available parts in the BMW automatic gearboxes category. When working with an automatic transmission, it is also worth paying attention to service procedures, the selection of appropriate operating fluids, and the preparation of used components for installation. In this context, an article describing strategies for optimizing maintenance costs for premium segment vehicles may be helpful – more information can be found in the post Proven ways for cheaper MINI car service using original components, which discusses, among other things, the approach to diagnosis and replacement of gearboxes using original, used parts.
Summary
BMW F74 Gran Coupe Double Clutch Automatic Gearbox GN7Y40T is a technically advanced, used automatic transmission that allows for restoring full drivetrain functionality while maintaining the dynamics and comfort characteristic of BMW. Choosing an original gearbox from the Automatic gearboxes category is a solution for users who expect compatibility with factory vehicle systems and predictable car behavior after repair.
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Ship to: Poland
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Estimated delivery dates include sellers dispatch time, origin postcode,destination postcode and time of acceptance, and will depend on the postage service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.
Will usually dispatch within same working day if paid before 14:00 BST (excludes weekends and holidays). Expected dispatch time may vary and is based on sellers order cut-off time.
In the automotive store Global Parts, we offer fast and secure deliveries for our customers in Poland, ensuring maximum compliance with local service standards. Each order is processed with the utmost attention, guaranteeing a fluid shopping process and a timely delivery. If you need assistance in choosing the right part, our team of consultants will be happy to help you find the right part for your vehicle and provide information on installation, availability and parameters of the selected components.