Front Oxygen Sensor (Bank 1 Pre-Cat) - BMW / 3.0L / N52 / N54 | 11787558055-BOS

The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected.

Each element is incredibly strong for best-in-class performance and maximum service life.

Features and Benefits:

• OE-Equivalent.
• Direct fit for easy installation.
• OE Style connectors and wire lengths.
• Base ceramic probe of Zirconium and Yttrium.
• Patented Platinum Power Grid.
• Fine particle filter.

From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.



Part #'s


11-78-7-558-055 / 11 78 7 558 055 / 11787558055


MFR Part # 0 258 017 098

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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