For BMW CAS4 System Intelligent Remote Control Car Key with Integrated Chip & Battery, Frequency: 315MHz

1. This is a DIY smart remote control key with a frequency of 315MHz with an integrated chip. 2. The key includes key housing, key blade, circuit board, integrated chip and battery, which is a complete remote control key. 3. You will need to program the key and cut the key blade at a car locksmith before using it. 4. The keys are suitable for CAS4 systems with the same frequency, if they do not match, please do not buy them. 5. KR55WK49863 comes with chip 7945. 6. Buttons: 4 buttons. 7. Material: Metal+Plastic. Compatibility: 1. For BMW CAS4 5 Series 2009-2016. 2. For BMW CAS4 7 Series 2010-2016.Specification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 12cm * 7.5cm * 2.5cm / 4.72inch * 2.95inch * 0.98inch Qty per Carton 300 Carton Weight 17.50kgs / 38.58lb Carton Size 50cm * 42cm * 47cm / 19.69inch * 16.54inch * 18.5inch Loading Container 20GP: 270 cartons * 300 pcs = 81000 pcs 40HQ: 627 cartons * 300 pcs = 188100 pcs