[High-Quality Replacement Shell]: The best replacement for keys with broken buttons or worn shells. Key shell only. [No Remote]: No internal electronics, this is an aftermarket key shell. [Self-Replacement Possible]: Remove the internal electronics (including the immobilizer/transponder chip) from your original remote, insert it into our key shell, and you're done! You can do it yourself; it's very simple and straightforward. [Compatibility]: This remote shell is suitable for BMW 1 Series, 3 Series, 5 Series, 6 Series, E90, E91, E92, E60, etc., and all other models with the same key shell and battery holder specifications as listed in the section below. [Sturdy and Durable Key Shell]: Made of high-quality materials instead of the durable smart keyless remote shell. Specifications: Product Name: BMW Car Key Replacement Shell. Product Material: ABS. Product Weight: 40g. Buttons: 3. List: Replacement shell for BMW car key * 1 pack