
This SPEC aluminum flywheel is offered for select BMW applications (1981–1993 models with specified engines) and replaces heavier stock units to reduce rotating mass. Machined to fit the listed model years and engine types, the aluminum flywheel is intended for direct replacement where compatible, providing quicker engine response characteristics while matching the OEM mounting pattern and balance requirements.
Spec 81-86 BMW 323 (M20) / 86-93 BMW 325 (E30) / 89-90 BMW 525 Aluminum Flywheel