O2 Oxygen Sensor for BMW E46 M3, Pre-Cat Upstream, 3.2L M54 Engine

Enhance your BMW E46 M3's performance with our premium quality Pre-Cat Upstream O2 Oxygen Sensor, specifically designed for the 3.2L M54 engine. This essential component ensures precise monitoring of the air-fuel mixture, leading to improved engine efficiency and responsiveness.

Key features include:
- OEM spec replacement for direct fit and easy installation
- Reduction in fuel consumption and emissions
- Prevention of power loss and check engine light issues

Replacing a faulty O2 sensor can restore lost engine power, enhance fuel efficiency, and improve vehicle emissions. Backed by a 2-year warranty, our sensor reflects our commitment to quality. For optimum performance, professional installation is recommended. Boost your BMW’s performance today!