The Bosch particulate matter sensor is installed downstream of the diesel particle filter and can be installed quickly and easily thanks to a retaining screw.The functional principle behind the particulate matter sensor is based on resistance measurement.It is connected to the engine management system via the CAN bus. Independent aftermarket part (IAM): 0 281 008 466 Designation: Particulate sensor Article status: Standard Type formula: EGS-PM2 Replaces OEM reference(s): BMW: 13628582026