Oxygen Sensor for 2003-2006 BMW 325Ci & More - Bosch 17215

Bosch 17215 oxygen sensor for the 2003-2006 BMW 325Ci 6-cylinder 2.5L and other vehicles measures the air-fuel ratio across the full lambda range. This heated wide-band sensor sends the ECU detailed air-fuel data for fuel control.

• Continuous air-fuel ratio measurement across the full lambda range
• Planar pump-cell design with ceramic construction and optimized heater control
• Metal housing, integrated heater element and TSP coating resist vibration, corrosion and contamination in exhaust up to 1,880°F
• Reaches operating temperature in under 7 seconds, giving the ECU a fast signal for closed-loop control

Quick facts

• Part: Bosch 17215 oxygen sensor
• Fits: 2003-2006 BMW 325Ci 6-cylinder 2.5L and other vehicles
• Position: Upstream
• Material: Metal
• Condition: New

A check engine light, rough running or lower fuel economy can mean the sensor is worn, and the same signs can come from other faults. Before you replace it, look over the wiring and connector with the engine off and cool for cracks, melted insulation or damage; a shop can run the live tests.

Fits

Vehicles it fits include the 2003-2006 BMW 325Ci 6-cylinder 2.5L, the 2003-2006 BMW 330Ci 6-cylinder 3.0L and the 2004-2006 BMW X3 6-cylinder 3.0L, and each takes one sensor. This listing is a single sensor. Open the "Vehicles it fits" section to check your exact model and engine before ordering.

Specifications

In the box

One oxygen sensor with its wiring harness. A mounting bracket is not included.

Installation notes

• Conductive anti-seize comes pre-applied to the threads.
• Direct-fit connectors are built for quick installation.