This item is a remote key shell case replacement only. Includes key case and uncut key blade. Does not include electronic components. Ideal replacement for a key with broken buttons or worn casing. No internal electronics, remote circuitry, or transponder chip included. To use, cut the key blade and transfer the internal electronic components, including immobilizer or transponder chip, from your original remote into this key shell. Compatible with: 1 Series, 3 Series, 5 Series, 7 Series, E Series, M3, M5, X5. Product dimensions: 6.8 x 3.6 x 1.4 cm (2.7 x 1.4 x 0.6 in). Product weight: Approximately 28 g (1.0 oz). Material: Plastic. Package includes: 1 x Key Shell Case. Other items not included. Note: Lighting and display differences may cause slight color variations between image and actual item. Measurement tolerance: +/- 1-3 cm.