What does a gearbox do in a car?

A gearbox is a gear assembly that allows you to change gear ratios between the engine and the wheels, adapting torque to driving speed.

How does a car's drive work?

The drive is the system that transfers power from the engine to the wheels – depending on the type (FWD, RWD, AWD) it differs in the arrangement of shafts and differentials.

What is the difference between a manual and an automatic transmission?

A manual transmission requires the driver to operate the clutch and shift gears, while an automatic transmission automatically adjusts the gear ratios to driving conditions.

How do I check which gearbox fits my car?

The surest way is to check the gearbox code (e.g. on the data plate) or VIN number – this ensures full OEM fit.

What symptoms indicate a drive problem?

Vibrations, noises when starting or jerking may indicate a worn universal joint or play in the drive shaft.

Do BMW E90 gearboxes fit other models?

Some versions (e.g. 6HP19) are compatible with BMW E60 or X3 models, provided that the OEM number and drive type match.

Is replacing the gearbox cost-effective?

Yes – used, proven gearboxes offer up to 60% savings compared to new ones, while maintaining full functionality.

Gearboxes and drives

Our offer includes both manual and automatic transmissions and various drive components, such as drive shafts and differentials (differentials, differential bearings, and other differential parts) for models such as BMW, Mini, Mercedes, AUDI, Volkswagen, and many others.

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High-quality car gearboxes – GlobalParts offer

Advantages of modern gearboxes – smoothness and driving efficiency

Have you ever wondered what makes your car accelerate smoothly on the highway or effortlessly climb hills? The answer lies in your vehicle's drivetrain —the heart of the mechanism that transfers power from the engine to the wheels. Whether you drive a sleek Mercedes, a dynamic BMW, or or an Audi or a reliable Volkswagen, gearboxes and drivetrains play a key role. If you're looking for a modern automatic transmission for your luxury SUV or a reliable manual transmission for your compact city car, you've come to the right place! We offer used gearboxes in our store. and top-quality automotive transmissions for brands such as BMW , Mini , Mercedes , Audi , Volkswagen, Seat, Skoda, and Ford . This ensures that each part will perfectly fit your vehicle and ensure its reliable operation for years to come. We ensure that you can enjoy trouble-free operation of your vehicle in all conditions.

Definitions and Applications of Gearboxes

A gearbox is a mechanical or electronic-mechanical gear unit whose task is to adjust engine torque to current driving conditions. Modern vehicles use various types of gearboxes: manual (with a classic clutch), automatic (torque converter or planetary gears), and dual-clutch (DSG, Tiptronic, 7G-Tronic). In vehicles like the BMW E90, power can be transferred to the rear axle (RWD) or all wheels (xDrive), and the gearbox is an integral part of the entire drivetrain.

A wide selection of original gearboxes and drives

Our offer includes both manual and automatic transmissions, as well as various drive components, such as drive shafts and differentials ( differentials, differential bearings, and other differential parts ). Each product is carefully tested for quality and performance to ensure reliable operation and long service life. With your safety on the road and the comfort of your vehicle in mind, we provide only the best technological solutions, supported by years of experience in the automotive industry. Choose our products today and enjoy the peace of mind of knowing your car is running smoothly!

Comparison of gearbox types

Box type	Number of gears	Application	Advantages	Compatibility
Manual	5-6 gears	Compacts, SUVs, sports cars	Full torque control, lower service costs	BMW, Audi, VW, Ford
Automatic	6–9 gears	Limousines, SUVs	Driving comfort, smooth gear changes	Mercedes, BMW, Audi
Dual-clutch (DSG/7G-Tronic)	6–8 gears	Modern premium models	Fast gear changes, high efficiency	VW, Mercedes, Skoda
Sequential	5–7 gears	Sports, competitive	Dynamic operation, no torque interruptions	BMW M, Audi S

Expert assistance in choosing the right gearbox or drive

Our specialists provide expert advice when choosing the perfect gearbox or drive for your vehicle . Their knowledge ensures that the selected gearbox or drive component will be a perfect fit for your car, ensuring smooth operation. They will also help you select the right drive components. Whether you need to repair an existing part or a complete drivetrain kit, our expertise will ensure the right choice. Our offer includes both driveshafts and differentials of the highest quality. Our goal is to provide only proven technological solutions supported by years of experience in the automotive industry. Therefore, you can be sure that the part you choose will be durable and reliable for many years of use. We also offer not only complete gearboxes but also numerous drive components such as driveshafts and differentials . All in one place! We invite you to take advantage of our expert assistance in selecting the right parts. Our specialists will be happy to advise you on the best solution tailored to your needs and expectations. Trust our products and see for yourself! Check out our offer today and take care of your car just as it takes care of you every mile of the way. We invite you to discover our offer! Find the perfect components for your vehicle and enjoy safety and comfort every mile of the way.

Compatibility and fit

When selecting a gearbox or driveline component, it's important to pay attention to the transmission code and OEM designation – these determine the full compatibility of the part with a given vehicle model. In the case of the BMW E90 or Audi A4 B8, the gearbox number (e.g., GA6HP19Z or 0B5 S-Tronic) allows you to select the identical transmission type. Using parts matching the OEM number ensures optimal fit, durability, and reduced operating costs.

Gearbox and Drive Category Components:

Automatic gearboxes – Modern gearboxes ensuring smooth gear changes and driving comfort.
Manual gearboxes – Precise mechanisms for dynamic driving and full control of the vehicle.
Parts for automatic transmissions – Control modules, torque converters and other key components.
Flywheels and gears – They are responsible for torque transmission and the stability of the drive system.
Manual transmission parts – Gears, synchronizers and other mechanical components ensuring reliable operation of manual gearboxes.
Gear shift levers, connectors and cables – Precision components enable smooth gear changes.
Torque converters – Key components of torque converters in automatic transmissions.
Gearbox sensors – Monitor and optimize drive system performance, ensuring a smooth ride.
Axles – Drive system components that transmit torque to the vehicle's wheels.
Clutch parts and kits – Components necessary for transmitting torque in manual drive systems.
Drive shafts – They are responsible for transferring power from the engine to the wheels, ensuring a smooth ride.
Differentials and parts – They are responsible for distributing torque to the wheels, improving vehicle stability.
Cardan joints and parts – They provide a flexible connection between the drive shaft and other system components.
Mounting parts and drive brackets – Elements supporting the assembly and stabilization of drive systems.
Oil coolers and hoses – They are responsible for optimal cooling of drive systems and gearboxes.
Transfer cases – Key components in four-wheel drive vehicles that distribute torque between the axles.
Parts for transfer cases – Elements ensuring their proper operation, such as gears, bearings and seals.
Gearbox and drive mounts – They are responsible for stabilizing the gearbox and drive system in the vehicle.
Gearbox controllers – Electronic units managing the operation of transmissions in automatic drive systems.
Wires, harnesses and connectors – Key components ensuring communication between drive system components.

The principle of operation of a car drive

A car's drivetrain is a set of components that collectively transfer power from the engine to the wheels. Depending on the vehicle's design, we distinguish between front-wheel drive (FWD), rear-wheel drive (RWD), and all-wheel drive (AWD or 4x4). The BMW E90 with xDrive features a torque splitter that automatically redirects power to the axle with the best traction. This solution increases driving stability, especially on wet or slippery surfaces.

What functions do gearboxes and drives perform?

Gearboxes and drivetrains play a key role in ensuring optimal performance and a smooth ride:

Torque Transfer – Ensures efficient use of engine power in various driving conditions.
Reduced fuel consumption – Efficient gearboxes and drives allow for more efficient fuel consumption and reduced energy losses.
Smooth gear changes – Thanks to the appropriate components, the gearbox operates efficiently, eliminating jerking and vibrations.
Ensuring stability and control – Differentials and transfer cases enable efficient transfer of power to the wheels depending on road conditions. Used car parts, such as gearboxes, drive shafts and differentials, offer an economical solution for every vehicle.

Application examples and technical data

In ZF 6HP automatic transmissions (used in BMW 3 and 5 Series models, among others), gear shift times are approximately 200 ms, guaranteeing smooth, jerk-free acceleration. In Getrag 6-speed manual transmissions, the gear ratios are optimized for fuel economy and synchronizer durability. These parameters directly translate into comfort and longevity of the entire drivetrain.

How to choose the right parts for gearboxes and drives?

Vehicle fit – At Global Parts you will find drivetrain parts that perfectly fit BMW, Mini, Mercedes, Audi, Volkswagen and more .
Technical condition – Used gearboxes and drives should be free from excessive wear, mechanical damage and leaks.
Gearbox Type – Choose components suitable for manual, automatic or sequential transmissions.
Drivetrain Compatibility – Make sure the components you choose are compatible with your vehicle's drivetrain type (FWD, RWD, AWD).

How to take care of gearboxes and drivetrain?

Regular oil changes – Prevents excessive gear wear and ensures smooth gear changes.
Controlling play and tension – Avoids unnecessary vibrations and noise in the drive system.
Repair or replacement on time - In case of damage, choose car parts that will ensure long-lasting performance.

Operating instructions

Regularly checking the level and quality of your transmission oil is key to maintaining the durability of your transmission. For automatic transmissions, it's recommended to change the oil every 60,000–80,000 km, and for manual transmissions, every 100,000 km. Drive shafts and universal joints require periodic lubrication to avoid play and vibration at higher speeds.

FAQ - Frequently asked questions about gearboxes and DRIVES

Question	Answer
What does a gearbox do in a car?	A gearbox is a gear assembly that allows you to change gear ratios between the engine and the wheels, adapting torque to driving speed.
How does a car's drive work?	The drive is the system that transfers power from the engine to the wheels – depending on the type (FWD, RWD, AWD) it differs in the arrangement of shafts and differentials.
What is the difference between a manual and an automatic transmission?	A manual transmission requires the driver to operate the clutch and shift gears, while an automatic transmission automatically adjusts the gear ratios to driving conditions.
How do I check which gearbox fits my car?	The surest way is to check the gearbox code (e.g. on the data plate) or VIN number – this ensures full OEM fit.
What symptoms indicate a drive problem?	Vibrations, noises when starting or jerking may indicate a worn universal joint or play in the drive shaft.
Do BMW E90 gearboxes fit other models?	Some versions (e.g. 6HP19) are compatible with BMW E60 or X3 models, provided that the OEM number and drive type match.
Is replacing the gearbox cost-effective?	Yes – used, proven gearboxes offer up to 60% savings compared to new ones, while maintaining full functionality.

Summary: Gearboxes and Drivetrains at Global Parts Automotive Store

At Global Parts, you'll find a wide selection of used gearboxes and drive components that meet the highest quality standards. We invite you to browse our extensive selection of genuine used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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