Oxygen Sensor for 2006-2008 BMW Z4 & More - Bosch 15138

Bosch 15138 oxygen sensor for the 2006-2008 BMW Z4 6-cylinder 3.2L and other vehicles measures oxygen in the exhaust and reports the air-fuel ratio to the ECU. This downstream Bosch O2 sensor is a heated, narrow-band switching type.

• Switching-type narrow-band sensor with an integrated heater element
• Metal housing and TSP coating to resist vibration, corrosion and contamination
• Withstands exhaust streams up to 1,880°F
• Reaches operating temperature in under 10 seconds for quick closed-loop control
• Advanced ceramic elements and optimized heater control for consistent output under heat and vibration

Quick facts

• Part: Bosch 15138 oxygen sensor
• Fits: 2006-2008 BMW Z4 6-cylinder 3.2L and other vehicles
• Position: Downstream
• Material: Metal housing
• Condition: New

A check engine light, rough running or poor fuel economy can point to a worn oxygen sensor, though a different fault may show the same way. Before you replace this sensor, rule out an exhaust leak near it and damaged wiring, since either can throw off the readings.

Fits

It fits the 2006-2008 BMW Z4 6-cylinder 3.2L, the 2001-2006 BMW M3 6-cylinder 3.2L and the 2001-2002 BMW Z3 6-cylinder 3.2L, and each takes one sensor. This listing is one downstream sensor.

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 direct-fit connector is made for quick installation.