Feature: new and high quality 20 Pin Sockets Oil Service Reset Tool. Plug the Device into the 20 pin diagnostic socket of the car located in the engine compartment. Turn ignition key to enable the board electronic but do not turn on the motor. Press the button for the operation you want to perform and keep it pressed. The LED of the chosen operation will be on Keep the button pressed. Reset is done when the LED is turning off itself Release button. On some dashboards there is needed to make a inspection reset before a oil reset. Fitment: 1986-2001 for BMW E30 E36 (3 series) 1989-2001 for BMW E34 E39 (5 series) 1996-2001 for BMW E38 (7 series) Specification: Materials:Plastic Color: Black Cable length: Approx.30 cm Note: 1. Transition: 1cm=10mm=0.39inch 2. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: No Retail Package 1 x 20 Pin Reset Tool