Audi A4L Oxygen Sensor 8K0906262F, plug and play, no error.

This replacement matches OEM standards in materials and processes, using high-temperature ceramic core and corrosion-resistant stainless steel housing; validated by bench tests to operate reliably for 50,000 km or more without signal drift typical of some cheaper parts. OEM number 8K0906262F; fits Audi A4L (B8, 2009–2016) and some VW MQB platform models such as Magotan, Passat. Function: monitor exhaust oxygen content and feed ECU to ensure accurate air-fuel ratio and avoid MIL or increased fuel consumption. Replacement is direct; plug-and-play without programming or matching; simple swap for DIY; moderate difficulty; note cold-start precautions.