BMWInternReport2025
🚗 EV charger testing & teardown
BMWInternReport2025 documents my internship at BMW Group as an Electronics Engineer Intern. The internship focuses on benchmarking, reverse engineering, and performance analysis of AC wall-mounted electric vehicle chargers. Tasks include hardware teardown, embedded firmware analysis, reparability assessments, and systems-level testing of smart charging features.
🎯 Purpose
- 🔍 Benchmarking: Technical evaluation of commercial EV chargers through standardized test procedures.
- 🔄 Reverse Engineering: Disassembly and analysis of internal hardware and firmware components.
- ⚡ Performance Testing: Electrical load testing and functional verification under real-world conditions.
- 🌐 Smart Feature Analysis: Assessment of connected functionalities like Wi-Fi, load scheduling, and app integration.
- 📊 Comparative Analysis: Development of comparison matrices and reparability indices to guide design improvements.
📝 Internship Highlights
| 🏷️ Task | 🔍 Description |
|---|---|
| 🔧 Hardware Teardown | Disassembled PCBs, power electronics, and embedded systems for component-level analysis. |
| 🔄 Reverse Engineering | Used tools such as BoardMapper to map circuit topology and identify system architecture. |
| ⚡ Electrical Testing | Conducted current and power measurements under load to validate performance claims. |
| 📱 Smart Feature Testing | Evaluated app-based controls, load management, and renewable integration capabilities. |
| 📊 Benchmark Development | Created comparison charts and indices evaluating both hardware and software features. |
📍 Internship Details
| Item | Description |
|---|---|
| Company | BMW Group |
| Role | Electronics Engineer Intern |
| Duration | July 2025 – Present (Ongoing) |
| Location | Munich, Bavaria, Germany (On-site) |