This Lambda Sensor from Bosch is designed for BMW vehicles. It is placed before the catalytic converter and has an overall length of 370 mm with 4 circuits. This oxygen sensor is a regulating sensor. It replaces part number 0281004627 and is compatible with BMW OEM references 13628589665, 8570230, 8589665, and 858966501. It is also known by other references such as LS 44623 and LSU-5.1. This sensor is suitable for various BMW models including the 1 Series F20 114d, 5 Series G31 520d, and 2 Series 220d, with specific model year compatibility mentioned in the original titles. Please use the make model tool to ensure fitment for your vehicle.