Elevate your BMW's performance with the DENSO 234-5138 Air/Fuel Ratio Sensor. Crafted to the highest OE standards, this 5-wire heated sensor is a perfect direct-fit solution, ensuring a first-time fit every time. Designed to deliver precision and reliability, it helps optimize fuel efficiency and minimize emissions by accurately measuring your vehicle's air-to-fuel mixture. Symptoms of a failing air/fuel ratio sensor include a lit check engine light, decreased fuel efficiency, or rough engine running, which underscores its importance in engine precision. Rest easy knowing DENSO's sensor is engineered for longevity and exceptional performance, making it an essential upgrade for DIY enthusiasts and professional mechanics alike. Enhance your vehicle's performance and consider pairing this sensor with high-quality DENSO ignition coils for unmatched engine efficiency and reliability.]]>

• High-quality 5-wire heated DENSO sensor for accurate air/fuel measurements
• Exact OEM replacement ensures effortless direct-fit installation
• Precision-engineered for optimal performance and fuel efficiency
• Long 46.85-inch wire harness for convenient setup
• Designed specifically for BMW models for superior compatibility

Connector Gender:	Male
Grade Type:	Regular
Sensor Type:	Heated
Thread Diameter:	0.711
Universal Or Specific Fit:	Specific
Wire Quantity:	5
Wiring Harness Length:	46.85
Dimensions:	5.800 in x 1.900 in x 2.200 in
Weight:	0.300 lbs

• ACDelco: 213-3936
• BMW: 11787540166
• BMW: 11787540167
• BMW: 11787557223
• BMW: 11787558073
• BMW: 11787558081
• BMW: 11787558087
• BMW: 11787589138
• Bosch: 15168
• Bosch: 17091
• Bosch: 17094
• Bosch: 17099
• Bosch: 17102
• Bosch: 17124
• Bosch: 17230
• Delphi: ES11081
• NTK: 24333
• NTK: 24345
• Walker Products: 250-25046
• Walker Products: 250-25047
• Walker Products: 350-35002
• Walker Products: 350-35058

• 2006 BMW 325i | Position: Upstream | Note: From 11/2005; Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2006-2008 BMW Z4 | Position: Upstream | Note: O.E. Quality Direct Fit Replacement Sensor
• 2008-2010 BMW 528i | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2008 BMW 528xi | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2009-2010 BMW 335i xDrive | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2006 BMW 530xi | Position: Upstream | Note: From 11/2005; Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2007-2008 BMW 335xi | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2011-2013 BMW 335is | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2007-2011 BMW 323i | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2009-2013 BMW 328i xDrive | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2010-2012 BMW X3 | Position: Upstream | Note: Cylinder 1,2,3;O.E. Quality Direct Fit Replacement Sensor
• 2006-2010 BMW 550i | Position: Upstream Left | Note: O.E. Quality Direct Fit Replacement Sensor
• 2007-2010 BMW X5 | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2006 BMW 330xi | Position: Upstream | Note: From 11/2005; Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2006 BMW 530i | Position: Upstream | Note: From 11/2005; Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2007-2008 BMW 328xi | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2006 BMW 525xi | Position: Upstream | Note: From 11/2005; Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2007 BMW 525i | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2007 BMW 530xi | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2008-2010 BMW 135i | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2011 BMW 528i | Position: Upstream | Note: Cylinder 1,2,3;O.E. Quality Direct Fit Replacement Sensor
• 2006 BMW 330i | Position: Upstream | Note: From 11/2005; Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2006 BMW 525i | Position: Upstream | Note: From 11/2005; Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2006-2016 BMW Z4 | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2006 BMW 325xi | Position: Upstream | Note: From 11/2005; Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2007-2010 BMW X3 | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2009-2010 BMW 528i xDrive | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2006 BMW 323i | Position: Upstream | Note: From 11/2005; Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2007 BMW 530i | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2007-2010 BMW 335i | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2007 BMW 525xi | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2007-2010 BMW X5 | Position: Upstream Left | Note: O.E. Quality Direct Fit Replacement Sensor
• 2008-2013 BMW 128i | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2007-2013 BMW 328i | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2011 BMW 1 Series M | Position: Upstream | Note: Cylinder 4,5,6;O.E. Quality Direct Fit Replacement Sensor
• 2006-2010 BMW 650i | Position: Upstream Left | Note: O.E. Quality Direct Fit Replacement Sensor