Description:

[Vehicle Fitment]: Compatible with BMW 323i 2006-2009 I6 2.5L, 525i/525xi/530i/530xi 2006-2007 I6 3.0L---Downstream Cyl 1-6. [Reference Number]: 11787544655, 11787539137, 11787545075, 0258006809, 16809, 16808. [Specification]: Wire Quantity: 4; Sensor Type: Heated; Mounting Type: Threaded; Connector Gender: Female; Package Quantity: 2x Oxygen Sensors; Packaging Type: Box. [Quality Construction]: Manufactured from premium materials for a long lifespan; Quick and easy installation, requiring no special tools.