and high quality 20 Pin Sockets Oil Service Reset Tool. Plug the Device into pin diagnostic socket of the car located in the engine compartment. Turn ignition for key to enable the board electronic but do not turn on the motor. the button for the operation you want to perform and keep it pressed. The LED of operation 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: for E30 E36 1986-2001 for E34 E39 1989-2001 for E38 1996-2001 colour: Black material: Metal+Plastic Package Contents: 1 x 20 Pin Reset Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.