Features: 1. High quality 2. Durable, long lifetime guaranteed 3. Perfect fit, easy to use 4. Perfect aftermarket replacement Button Quantity: 4 (Lock, Open, Trunk, Alarm) Frequency: 433 MHz Transponder Chip: No Electronics/Battery: No Chip ID: Compatible with PCF7935AA ID44 Chip Fitment: for 325, 330, 318, 525, 530, 540, E38, E39, E46, M5, X3, X5, E65 Note: Please check your vehicle model before purchase. Chip and battery are not included. Material: Plastic Color: Black + Silver Package Contents: 1 x Remote Key Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.