Shop › BMW E30 E28 E34 M20 Blue Engine Coolant Temp Sensor Wiring Pigtail Connector Image 1 of 6 Image 2 of 6 Image 3 of 6 Image 4 of 6 Image 5 of 6 Image 6 of 6 BMW E30 E28 E34 M20 Blue Engine Coolant Temp Sensor Wiring Pigtail Connector $19.99 BMW E30 E28 E34 M20 Blue Engine Coolant Temp Sensor Wiring Pigtail Connector Removed from 1987 325e. Add To Cart Added! BMW E30 E28 E34 M20 Blue Engine Coolant Temp Sensor Wiring Pigtail Connector Removed from 1987 325e.