Denso 234-5079 Air Fuel Sensor 2011-2013 &gt; BMW &gt; 1-Series &gt; L6 3.0L 2979cc &gt; 135i; Position: Upstream 2011-2012 &gt; BMW &gt; 3-Series &gt; L6 3.0L 2979cc &gt; 335i xDrive; Position: Upstream 2011-2013 &gt; BMW &gt; 3-Series &gt; L6 3.0L 2979cc &gt; 335i; Position: Upstream 2013-2013 &gt; BMW &gt; 3-Series &gt; L6 3.0L 2979cc &gt; ActiveHybrid 3; Position: Upstream ** NOTE: PRODUCT IMAGE MAY NOT BE VEHICLE SPECIFIC