宝马氧传感器 11787512984 高品质排气检测

This BMW oxygen sensor (OEM 11787512984) is designed for 2006-2010 BMW 3 Series (E90/E91/E92/E93) and 5 Series (E60/E61) with 2.5L-3.0L engines, used to precisely monitor exhaust oxygen content and feed back to the ECU to adjust the air–fuel ratio, ensuring combustion efficiency and emission compliance. OEM 11787512984 can cross-check directly with BMW parts; compatibility is reliable. Replacement difficulty is medium; use a dedicated socket tool and avoid damaging threads or wiring. After installation, a diagnostic tool should be used to clear fault codes and reset adaptive values. For B2B buyers, sensor uses high-quality ceramic components, fast response, effectively reducing fuel economy decline and emissions problems caused by sensor failure; suitable for bulk procurement for repair or refurbishment.