Bosch 11-78-7-561-410 Oxygen Sensor Wideband LSU 4.9

The Bosch 11-78-7-561-410 is a premium wideband oxygen sensor designed to deliver OE-level performance and emissions control. As the world's leading supplier and inventor of the automotive oxygen sensor, Bosch leads the way in sensor technology and innovation. This sensor continuously monitors oxygen levels in the exhaust system to provide critical feedback to the engine control module, ensuring optimal air-fuel ratio, maximum fuel efficiency, and proper emissions control.

Key Features:

• Wideband LSU 4.9 sensor technology for precise air-fuel ratio measurement
• 5-wire heated sensor design for rapid warm-up and accurate readings
• Overall length of 720mm (28.3 inches) for precise OEM fitment
• OE-quality construction with durable ceramic sensing element
• Direct replacement for BMW part numbers 11787535269, 11787561410, and 11787569930
• Genuine Bosch engineering ensures reliable long-term performance

This oxygen sensor is engineered to exact OEM specifications, providing a precise fit and dependable operation. The advanced wideband design allows for more accurate fuel mixture control across a wider range of operating conditions compared to standard narrowband sensors, making it essential for modern engine management systems.