URO 11787558073 Oxygen Sensor Pre-Cat Bank 2 Rear Manifold

The URO 11787558073 is a pre-catalytic converter oxygen sensor designed as a direct replacement for BMW vehicles equipped with the N52 3.0L engine. This sensor is located before the catalytic converter in the rear exhaust manifold, monitoring cylinders 4-6 (Bank 2).

The oxygen sensor measures the amount of unburned fuel in the exhaust pipe to adjust fuel mapping for less emissions and better fuel economy. When malfunctioning, your MPG and performance can suffer, often triggering a check engine light. This URO replacement sensor restores proper air-fuel ratio monitoring to optimize engine performance and efficiency.

Key Specifications:

• 5-wire heated oxygen sensor design
• Wire harness length: 910mm (35.8 inches)
• Position: Upstream rear, cylinders 4-6
• Direct OE replacement fitment

URO Parts are manufactured by A.P.A. for European vehicles and meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced genuine components. Cross-references to OEM part numbers 11787540166, 11787540167, 11787557223, and Bosch 0258017099.