GENUINE BOSCH OXYGEN SENSOR . Direct fit includes OE connector for easy installation. We have more than 40 years of combined automotive experience. We reply within 24 – 48 hours or earlier. is known worldwide for quality and performance.
Worked great in my 328xi. Downstream O2 sensor. Hasn’t made a hug improvement on fuel economy or idle, but that is to be expected. Car no longer throws codes. Has a cap covering the threads because the copper anti-seize is already installed, I prefer that to me having to apply it.