The product engineering is gaining in importance as it is the main source for innovations in manufacturing enterprises. In most cases the necessary ma-nagement and IT approaches are almost underestimated in strategic top-ma-nagement decisions, despite the advancing digitalisation in digital engineering. Product lifecycle management (PLM) has established itself as an integrated ma-nagement approach in engineering, but is often misunderstood as a synonym for PDM and delegated to IT departments. The survey “benefits of PLM” points out the reached benefits and most successful PLM implementation strategies.