Oxygen Sensor for 2007-2008 BMW Alpina B7 & More - Bosch 17290

Bosch 17290 oxygen sensor for the 2007-2008 BMW Alpina B7 V8 4.4L and other vehicles measures the air-fuel ratio in the exhaust and reports it to the ECU. This wide-band design gives the ECU more detail than a switching sensor provides.

• Wide-band sensing across the full lambda range for continuous air-fuel ratio readings
• Reaches operating temperature in under 7 seconds for quick closed-loop control
• Withstands exhaust gas up to 1,880°F
• Integrated heater element and TSP coating resist vibration, corrosion and contamination

Quick facts

• Part: Bosch 17290 oxygen sensor
• Fits: 2007-2008 BMW Alpina B7 V8 4.4L and other vehicles
• Position: Downstream, upstream left, upstream right, upstream rear, upstream front
• Material: Metal
• Condition: New

A lit check engine light, poorer fuel economy or a rough idle can come from a worn sensor, but other faults can produce similar symptoms. With the engine off and cool, look over the wiring harness and connector for damage or melted insulation before you replace the sensor.

Fits

The listing covers a wide range of BMW models, including the 2003-2006 BMW 760Li V12 6.0L and the 2004-2006 BMW 760i V12 6.0L, which take one sensor each. The 2007-2008 BMW Alpina B7 V8 4.4L takes two. This listing is a single sensor.

Specifications

In the box

One oxygen sensor with its wiring harness.

Installation notes

• Conductive anti-seize is already applied to the threads.
• Direct-fit connectors are made for quick installation.