General description This BMW smart key holder is designed for 5 and 6 series vehicles with a 3-button keyless entry system. It serves as a high-quality replacement for keys that have broken buttons or worn cases. Please note that this is a key case only and does not include any internal electronics. Technical specifications Product Name: BMW Car Key Replacement Case Product Material: ABS Product Weight: 40g Push Button: 3 Keys Compatibility and accessories This remote key case is compatible with BMW models including 1, 3, 5, and 6 series, specifically E90, E91, E92, E60, and others with similar key blank and battery holder specifications. Installation Replacing the key case is straightforward: simply remove the internal electronics (including the immobilizer/transponder chip) from your original remote and place them into the new key case. This process can be done easily by yourself.