Oxygen Sensor Upstream Replacement for BMW X3 Z4 (2004–2006)

Oxygen Sensor Upstream Replacement for BMW X3 Z4 (2004–2006)

Fits Models: BMW X3 (E83), Z4 (E85, E86)

Model Years: 2004, 2005, 2006

Submodels: X3 2.5i, 3.0i; Z4 2.5i, 3.0i, 3.0si

Engine Options: 2.5L I6, 3.0L I6 (Petrol)

The upstream oxygen sensor is a critical component in your BMW’s emissions system. It measures the level of oxygen in the exhaust gases and relays this data to the Engine Control Unit (ECU), ensuring optimal fuel efficiency and engine performance. As your vehicle ages, these sensors can become less accurate, leading to poor fuel economy and increased emissions.

This high-quality, OEM replacement oxygen sensor offers a direct fit for your BMW X3 or Z4, making installation hassle-free. Its durable construction ensures consistent performance, addressing issues such as rough idling, stalling, and check engine lights related to oxygen sensor failures. By replacing your worn sensor, you can enhance fuel efficiency and reduce harmful emissions.

Features:
- OEM quality for guaranteed performance
- Direct fit for easy installation
- Durable construction ensures long-lasting reliability
- Helps improve fuel efficiency and lower emissions
- Solves issues like rough idling and engine light warnings