Genuine OEM BMW Exhaust Pressure Sensor, part number 13628570936. This sensor monitors pressure levels within the exhaust system, providing critical data for emissions control and engine performance management. It is typically installed in the exhaust line before or after emission control components. The sensor features a metal threaded fitting with an O-ring seal and an electrical connector. Genuine OEM parts ensure precise calibration and reliable operation, maintaining factory specifications for optimal engine function.