The SPEC aluminum flywheel for 2012–2016 BMW 335i (F30) is an aluminum replacement flywheel supplied as a direct-fit component for that vehicle. Offered to reduce rotating mass relative to many stock units, it is presented as a drivetrain component intended to alter engine spin-up characteristics and clutch engagement behavior when paired with appropriate clutch hardware for the F30 application.
Spec 12-16 BMW 335i (F30) Aluminum Flywheel