Car Audio, AUX-in Connector, for BMW E60, E61, E63, E64, E87, E90, E70, F25, USB, Switch CableNew and High QualityFeatures:1) this product is required for code modification. This item is only suitable for CIC ssd computers.2) if other Harman, BNT, NBT EVO, CD HOSTY devices want to use this USB cable, they need to cut off the buckle on one side of the USB cable, press the unlocking part, plug in the plug and insert it so that it can be used (Mainly the line needs to be reversed to use). (1) The interface is uniform standard size and the interface is 4 pins! (2) Usually installed in the main glove box (various). The original car has a direct replacement. Please find your own place and fill it without any. (3) after installation, to achieve the U disk reading function, install the USB cable, connect to the back of the host cd, some cds or navigation device can also switch to the brushing device (function hidden in the brush)