Flywheel Ring BMW F20 F22 F30 F32 Diesel B47 Automatic Gearbox 8577213

BMW F20 F22 F30 F32 B47 Automatic Transmission Flywheel is an item from the Flywheels & Gears category, designed for BMW diesel engines with automatic transmissions. This used OEM component ensures proper torque transfer, stable drivetrain operation, and correct interaction with the automatic gearbox in popular F-series models.

Specifications and technical data

• SKU: 8577213
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8577213
• Substitutable numbers: 11228577213, 8577213
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: Flywheels & Flexplates

Intended Use and Compatibility

The presented flywheel is dedicated to B47 diesel engines paired with automatic transmissions in BMW F-series models such as F20, F22, F30, and F32. The use of the correct flywheel in the drivetrain is crucial for:

• proper damping of torsional vibrations generated by the diesel engine,
• stable operation of the automatic transmission during gear changes,
• maintaining appropriate running smoothness at idle and under load.

By retaining its factory design parameters, the flywheel is compatible with original engine and transmission components, which simplifies installation and reduces the risk of operational issues.

Technical and Functional Characteristics

In a diesel engine, the flywheel's function is to store kinetic energy and stabilize crankshaft rotation, which is particularly important for the high torque of the B47 unit. When combined with an automatic transmission, it ensures:

• smooth torque transfer to the torque converter or hydraulic coupling,
• reduced peak loads on transmission components,
• improved drivetrain response to load changes during acceleration and engine braking.

Selecting the correct flywheel directly impacts the durability of the automatic transmission, the comfort of gear changes, and the noise and vibration levels in the cabin. Using an original item from the Flywheels & Gears category allows for the preservation of parameters specified by the vehicle manufacturer.

Condition, Origin, and Benefits of Using a Used Part

The offered flywheel is a used part, sourced from a dismantled BMW vehicle. This type of component, when selected appropriately, offers a sensible compromise between repair cost and maintaining factory specifications. In practice, this means:

• the possibility of an economical drivetrain repair without compromising on OEM parts,
• preservation of the flywheel's original geometry and operating parameters,
• better compatibility with engine and automatic transmission control software compared to many aftermarket alternatives.

Prior to installation, standard verification of the working surfaces, clearances, and any signs of overheating is recommended, in accordance with BMW service procedures for automatic transmissions and diesel engines.

Why Choose a BMW Flywheel for a B47 Engine with Automatic Transmission

Using the correct flywheel in a BMW B47 engine with an automatic transmission translates into a number of practical benefits:

• Stable Drivetrain Operation – reduced vibrations and jerks during starts and gear changes.
• Automatic Transmission Protection – reduced mechanical overloads, contributing to longer gearbox lifespan.
• Improved Diesel Engine Smoothness – more even RPMs and lower noise levels within typical operating speed ranges.
• Consistency with BMW's Original Design – adherence to the manufacturer's engineering assumptions regarding mass, balancing, and damping characteristics.

For workshops specializing in the BMW brand and for owners expecting predictable vehicle behavior, choosing an original flywheel is a technically justified solution.

Related Products and Technical Knowledge

If you are looking for other BMW Flywheels & Gears for different models or drivetrain configurations, check out our dedicated category: BMW Flywheels & Gears. You will find a wide selection of components tailored to various generations of engines and gearboxes from this brand.

When planning a drivetrain upgrade or modification, it is worth familiarizing yourself with practical tips on selecting used components. An article on our blog may be helpful: Best Used Parts for Tuning Your Car, where we discuss how to consciously choose used parts to improve vehicle characteristics while maintaining operational safety.