The product is an OEM BMW transmission computer control module, specifically designed for the BMW E46 M3 model. It is a genuine part with the OE/OEM part number 2282875, ensuring a perfect fit and compatibility with the vehicle. This module is responsible for controlling the SMG transmission system in the car, providing reliable and efficient performance. Ideal for those looking to replace or upgrade their existing transmission control module. This module is used and in good working condition. Please match the part numbers. It may need to be coded to your vehicle. No returns. Thank you.