Oxygen Sensor for 2001-2006 BMW M3 & More - Bosch 13949

Bosch 13949 oxygen sensor for the 2001-2006 BMW M3 6-cylinder 3.2L and other vehicles measures oxygen in the exhaust and sends the reading to the ECU. The ECU uses that signal to keep the air-fuel ratio under control.

• Narrow-band, heated switching-type design for precise air-fuel-ratio feedback
• Reaches operating temperature in under 10 seconds for quick closed-loop control
• Integrated heater element, plus a metal housing and TSP coating that resist vibration, corrosion and contamination
• Built to withstand exhaust gas up to 1,880°F

Quick facts

• Part: Bosch 13949 oxygen sensor
• Fits: 2001-2006 BMW M3 6-cylinder 3.2L and other vehicles
• Position: Upstream
• Material: Metal housing
• Condition: New

A worn oxygen sensor can show up as a check engine light, poor fuel economy or a rough idle. An exhaust leak, a vacuum leak or a misfiring spark plug can be behind the same signs, so find the cause before you buy a sensor.

Fits

This is an oxygen sensor for the 2001-2006 BMW M3 6-cylinder 3.2L and the 2001-2002 BMW Z3 6-cylinder 3.2L. The listing is one upstream sensor, and the quantity per car is one.

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.
• The connector is a direct-fit type.