Oxygen Sensor for 2011-2012 BMW 740i & More - Bosch 17202

Bosch 17202 oxygen sensor for the 2011-2012 BMW 740i 6-cylinder 3.0L and other vehicles is a heated wideband A/F sensor that reports the exhaust's air-fuel ratio to the ECU. It gives the ECU far more detailed information than a traditional switching sensor.

• High-precision air-fuel ratio readings across the full lambda range
• Planar pump-cell design with fast light-off, optimized heater control and ceramic construction
• Reaches operating temperature in less than 7 seconds for quick closed-loop control
• Integrated heater element and TSP coating resist vibration, corrosion and contamination
• Built to withstand exhaust streams up to 1,880°F

Quick facts

• Part: Bosch 17202 oxygen sensor
• Fits: the 2011-2012 BMW 740i 6-cylinder 3.0L and other vehicles
• Position: Upstream, upstream right, upstream rear
• Material: Metal housing
• Condition: New

A failing oxygen sensor can show up as a check engine light, poorer fuel economy or rough running. Before you replace this sensor, rule out exhaust leaks, damaged wiring and fuel or ignition faults, since any of them can look similar from the driver's seat.

Fits

The fitment includes the 2011-2012 BMW 740Li 6-cylinder 3.0L and the 2008-2010 BMW 535i 6-cylinder 3.0L, along with many other vehicles. Open the "Vehicles it fits" section to check your exact model and engine.

Specifications

In the box

One oxygen sensor with its wiring harness. This listing is one sensor, and the 2011-2012 BMW 740i 6-cylinder 3.0L takes one. A mounting bracket is not included, and an old bracket may not be reusable.

Installation notes

• Conductive anti-seize is pre-applied to the threads.
• Direct-fit connectors allow quick installation.