Using this test platform,programming the BMW CAS4 CAS4+ keys by OBD on the bench without open and welding, which can avoid the car power loss

and data loss caused by long time unlock CAS4/CAS4+ on the car, Off-site key programming; lt can also test whether CAS or key is working properly,

which is the preferred platform for locksmith and automotive electronics.

The wire is made of Japanese material, with built-in start button,indicator light,very user-friendly design, and most importantly,high quality and low price.