Downstream Oxygen Sensor for BMW 550i 650i Alpina B7 4.4L 234-4876.
$20.51
5 Series: 2008-2016 528i / 535i / 550i / M5. ThisDownstream (Rear) Oxygen Sensor is manufactured to. Engine Specifics: For many BMW 328i/528i models, this sensor is used for specific cylinder banks (e.g., Bank 1 or Bank 2).
