The Bosch Lambda Sensor (part number 0258 003 193) is a single, 4-wire, 423mm exhaust O2 oxygen probe designed for optimal engine combustion and improved efficiency. It features a vehicle-specific connector for a secure electrical connection, ensuring it supports the ECU in accurately measuring the air-fuel mixture. This sensor is functionally and quality tested to the same high standards as original equipment parts, guaranteeing high performance and reliability for a long service life. Continuous development ensures it meets the latest technological standards. It is installation-ready. Please use the vehicle identification to confirm compatibility and observe all restrictions. All work should only be carried out by trained specialists.