Breathe new life into your BMW's idle with this 82 - 88 BMW 528e Idle Air Control Valve. Designed to fit seamlessly into various models including BMW E28 535I, E30 325I, E24 635CSI, and E23, this used idle air control valve is your answer to erratic or incorrect idle issues. Simply swap it out with your old one, and you're on your way to smoother idling and a more pleasant driving experience. This little gadget is ready to take on the task of keeping your BMW purring nicely at a stop.