The BMW ConnectedDrive backend is a highly complex, high-performance mesh of services distributed across multiple Regions and hundreds of AWS accounts, processing over 12 billion requests and 145TB of data traffic per day. With over 450 DevOps teams performing daily deployments, BMW faced a major challenge in verifying workloads adhere to both industry and internal standards BMW has defined to mitigate risks to availability, and data privacy. To address this, BMW built a fully automated solution to quickly notify teams of potential optimizations by continuously monitoring and assessing workloads against BMW standards, regulatory requirements, and best practices as well as the AWS Well-Architected Framework with its six pillars Operational Excellence, Security, Reliability, Performance Efficiency, Cost Optimization, and Sustainability. In this post, we explore how BMW Connected Company leveraged AWS Config and AWS Trusted Advisor to efficiently and proactively monitor and assess compliance across hundreds of AWS accounts in a fully automated way to continuously optimize their cloud services.