Empower Your Engine Oxygen Sensor Bank 1 Upgrades for Enhanced Performance

The Bank 1 Fuel Trim Rich is setting because the post cat, or downstream, O2 sensor thinks there's too much fuel in the system. Changing the ... Can someone please confirm which sensor is the correct one to replace? Click to expand... Correct O2 sensor for downstream. O2 sensors live in a ... There are four oxygen sensors. Bank 1 is the driver's side and Bank 2 is the passenger's side. Each Bank has a Sensor 1 which screws into a bung ... Primary O2 Sensor (Bank 1, Sensor 1) — This sensor is located in the exhaust manifold or the exhaust pipe just before the catalytic converter. The one on the right is bank 1 sensor 1 and the one on the left is bank 1 sensor 2. old o2 sensors. Unplug the connector near your oil filter. o2 sensor plug Genuine BMW O2 Sensor to keep your emissions system running smoothly. Special Application Notes: BMW Part Number 11787848486 / 11-78-7-848-486 Downstream Oxygen Sensor for Bank 1 ... Bank 1 I believe is towards the firewall and bank 2 is towards the front of the car. So is front = bank 2 ... That's a pretty common sign of either an exhaust leak or vac leak. Could also be a plug issue I'd pull all the plugs and check them out and see ... Bosch Oxygen Sensor - After Catalytic Converter - Bank 1 · MSRP Price: 289.35 · BW Part #: 11787569968 · Brand: Bosch · (In Stock). Its in a very not convenient spot I must say. I had to replace mine last January. Its just down-stream from the exhaust manifold on the back ...