Premium Auto Oxygen Sensor for BMW 1-7 Series & X3 Models
High-precision zirconia ceramic core ensures accurate air-fuel ratio measurement, enhancing engine performance and fuel efficiency. Durable stainless steel housing with anti-corrosion coating withstands extreme temperatures and harsh road conditions. Direct OEM replacement (11788631047) for seamless compatibility with F21/F30/F80/F87 chassis and 116i/118i/120i engines. Advanced laser-welding technology guarantees airtight sealing, preventing exhaust leaks and error codes. Optimizes emissions control for strict EURO 5/6 standards—ideal for eco-conscious drivers and urban commuting. Includes OEM-grade waterproof connectors and pre-installed heat shield for plug-and-play installation. Backed by 100% performance testing—ships in crush-proof packaging with bulk order discounts available.