ACT XACT Prolite flywheel for 2001–2003 BMW 330xi/330i/325ci and BMW 530i is a lightweight Prolite unit with reduced rotational inertia for improved throttle response and acceleration. Intended for road or rally use, the Prolite design balances strength, heat tolerance and serviceability; the flywheel can be resurfaced and is arranged so material distribution provides rigidity while minimizing mass for quicker engine response.
ACT 01-03 BMW 330xi/330i/325ci / BMW 530i Base 3.0 L6 XACT Flywheel Prolite