Description:By using the OBD interface of the car to connect with the computer(OBD interface cannot be directly connected to the computer), you can view the car data in real time and detect the car problem.Extra length on under dash mount cable for installation convenienceConnector tool for easy plug and play Installation. This is a non-OEM product, accessory only!Specification:Total Length: 43.5cm / 17.13''Material: Plastic, MetalColor: BlackPin Number: 20Fitment:for BMW E36 E46 E38 E39 E53 X5 Z3Note:Please make sure the item fits your vehicle before placing orders.Package Include:1 x OBD 1 20-Pin to OBD2 16-Pin.