The 5-wire wide-band oxygen sensor is a replacement sensor for select 2006-2024 BMW, Jeep, Mercedes-Benz, Mini and other applications. It measures the exhaust air-fuel ratio across a broad range so the engine computer can meter fuel precisely. A built-in heater brings the element to operating temperature quickly after a cold start.

Walker Products 350-35076 Oxygen Sensor Features:

• Fits 2006-2011 BMW 323i; 2006 BMW 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi; 2008-2013 BMW M3; 2014-2017 BMW 328d, 328d xDrive
• Fits 2014-2018 BMW X5, Mercedes-Benz E400; 2015-2017 BMW X3, Mercedes-Benz CLS400, S600; 2007-2010 Jeep Grand Cherokee; 2007-2009 Mercedes-Benz E320, R320
• Also fits select BMW, Jeep, Mercedes-Benz, Mini, Peugeot and Smart applications
• Sensor locations by application: B1S1, B1S2 (bank and sensor number)
• Used in both upstream and downstream positions, depending on application
• 5-wire wide-band oxygen sensor
• Built-in heater for fast warm-up
• M18x1.5 threaded mounting with a 22 mm hex, 375 mm (14.8 in.) overall length
• Male oblong connector at the harness end
• Platinum electrode layer with a protective coating against combustion residue