Features: It addresses issues from worn or damaged stock key shells, providing a cost efficient replacement option for owners seeking a economical alternative. Suitable for key case replacement users. This key case is entirely new and unused, offering superior wear resistance and extended durability compared to standard plastic shells.. Installation requires not professional equipment; simply disassemble the existing key, transfer the internal factors to the new case, and reassemble. This product lacks batteries, internal electronics, or remote chips; it solely furnishes a shell replacement service. It avoids unnecessary electronic part purchases, making it practical and economical for users focused on appearance updates. Ideal for key case cover replacements. Before purchasing, verify your key's appearance and internal structure; contact us for any queries. We offer precise advice based on picture confirmations, catering to consumers who prioritize post purchase support and accurate guidance. Supports key case replacement needs. Specifications: Component: ABS+Metal Applicable models:for R56 R57 R58 R60 R61 Type:with Battery Base,without Battery Base Package Includes: 1Set Car Key Cover note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.