Condition: Used / Tested / Good Working Order Description: OEM BMW Magneti Marelli GS30 SMG transmission control module (TCU / TCM). Features original aluminum casing, blue connector ports, and factory identification labels intact as pictured. Part Type: SMG Transmission Control Module (TCM / TCU) Brand: Magneti Marelli (BMW OEM) Part Numbers: 7542491.9 / 62000.035.13 / CFC225B.02 (BMW OE: 7 542 491) Application: Compatible with select BMW models equipped with SMG transmissions (such as E46, E60, E63, E64, E85 Z4; verify exact part number compatibility) Condition Notes: Fully functional pre-owned unit. Clean housing with intact terminal pins and blue connector blocks. Note: Professional programming, coding, or configuration matching may be required for proper vehicle integration.