Shop › BMW E30 E28 M20 2.7 Eta Engine Idle Air Control Valve Wire Pigtail Harness Plug Image 1 of 5 Image 2 of 5 Image 3 of 5 Image 4 of 5 Image 5 of 5 BMW E30 E28 M20 2.7 Eta Engine Idle Air Control Valve Wire Pigtail Harness Plug $24.99 sold out BMW E30 E28 M20 2.7 Eta Engine Idle Air Control Valve Wire Pigtail Harness Plug Remove from 1987 325e. Sold Out Added! BMW E30 E28 M20 2.7 Eta Engine Idle Air Control Valve Wire Pigtail Harness Plug Remove from 1987 325e.