2018-2020 BMW 530e iPerformance Sport Line 2.0L 4 Cyl. 2018-2020 BMW 530e Base 2.0L 4 Cyl. Position: Downstream. Notes: Oxygen Sensor -- Downstream; Bank 1 Sensor 2. Detailed Notes: Downstream O2 Oxygen Sensor for BMW 230i 330e 330i 430i xDrive Alpina B7 X3 X4.
