Bosch 11-78-7-614-322 Premium Oxygen Sensor Post-Catalyst

The Bosch 11-78-7-614-322 (Bosch part number 15167) is a premium OEM-quality post-catalyst oxygen sensor designed for select BMW vehicles. This narrow-band heated oxygen sensor monitors exhaust gases downstream of the catalytic converter to optimize combustion efficiency and ensure proper emissions control.

Key Features:

• Narrow-band heated oxygen sensor with fast-acting heater element for quick operation
• 4-wire design with female round connector for direct OEM fitment
• Double laser-welded stainless steel body provides superior durability and protection against exhaust damage
• 22mm hex size with M18 x 1.5 thread, pre-coated with anti-seize compound for easy installation
• Overall length of approximately 22.5 inches with 19.2-inch integrated wiring harness
• Factory tested at 1,000°C to ensure full functionality and meet Bosch's rigorous quality standards
• Weighs approximately 0.24 lbs

Bosch invented the automotive oxygen sensor and remains the world's leading supplier and OEM manufacturer. This sensor helps maintain the ideal 14.7:1 air-fuel ratio, improving fuel economy while reducing harmful emissions. A properly functioning oxygen sensor also protects your catalytic converter from premature failure. Cross-references BMW part numbers 11787614322, 11787526262, and Bosch part numbers 0258006755 and 15167.