Transmission & xDrive

Flywheel

Smooths engine rotation and provides a clutch or transmission interface.

Drag to turn it Open in the 3D lab
Where it sits

Bolted to the engine crankshaft at the gearbox end.

How it works

Rotational inertia moderates torque pulses; dual-mass designs add controlled torsional isolation.

Think of it as

A rotating energy reservoir smoothing uneven pushes.

Symptoms when it fails

Rattle or vibration may involve the flywheel, clutch, mounts or engine running quality.

Lifespan

Use the exact gearbox and axle service guidance. Loads, seals, lubricant condition and driving use influence wear.

Repair cost

An accessible mount or seal differs from internal transmission work. Gearbox identification and diagnosis are essential to a useful quote.

The BMW angle

Many BMW manual drivetrains use a dual-mass flywheel, but the fitted design must be confirmed.

Used in

BMW rear-drive, front-drive and xDrive applications as equipped; layouts differ by platform.

Sources
Same system

Transmission & xDrive