BMW E46 M3, Z3M Pre Cat Upstream O2 Sensor for 3.2 M54 Engines

Enhance the performance of your BMW with our OEM spec Pre Cat Upstream Oxygen Sensor, tailored for the E46 M3 and Z3M featuring the 3.2L M54 engine. This essential upgrade ensures optimal fuel efficiency and powerful engine performance by replacing old or malfunctioning sensors.

Key features include:

- Direct fit for easy installation
- Accurate measurement of oxygen levels in exhaust gas
- Reduction in emissions and improved fuel economy
- Restoration of lost power and resolution of O2 sensor-related check engine lights

Compatible with:

- BMW Z3 M Coupe/Roadster (03/97-04/01) for Cylinders 1-3
- BMW E46 M3 (07/00-09/06) for Cylinders 4-6

This replacement comes with a 2-year warranty, guaranteeing quality and reliability. Ensure a perfect match with your existing sensor’s specifications and boost your BMW's efficiency and power today.