How a car works

All partsBMW M4 CSLS58 engineCrankshaft › Flywheel / flexplate

Flywheel / flexplate

Part of Crankshaft · about $260 to replace

What it is

Flexplate bolted to the crank flange.

What it does

Carries the torque converter and the starter ring gear.

How it fails

Cracks around the bolt holes after a starter engagement failure.

MaterialStamped steel
Spec300 mm
132-tooth ring gear
Flywheel / flexplate highlighted on the car

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