[INNOVATIVE TECHNOLOGY] - Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production since first inventing the Oxygen Sensor in the late 1960's, ensuring long-lasting performance [FACTORY TESTED] - Seared appearance of protection tube is a result of a 100 % fully functional quality test to ensure every Bosch manufactured sensor meets Bosch's rigorous standards for quality and performance [STAINLESS STEEL BODY] - Exclusive double laser-welded stainless steel body is totally submersible and sealed tight to protect against damage from exhaust emissions - ensuring longer sensor service life [FAST ACTING HEATER] - Fast-acting heater optimizes sensor operation on Planar and 3, 4, and 5 wire Thimble type sensors allowing the oxygen sensor to reach its operating temperature quicker - within seconds - for optimum performance [READY TO INSTALL] - True Direct-fit OE connectors and harnesses, along with threads pre-coated with anti-seize compound right out of the box, make installation simple and hassle-free Compatible with select vehicles (Note: Engine affects fitment - verify specific vehicle fitment details, including sensor position, with fit checker above): BMW: 2011-13 135i, 2013 135is, 2011-13 335i, 2014-16 335i GT xDrive, 2011-16 535i Compatible with (continued): BMW: 2010-16 535i GT, 2011-16 535i GT xDrive, 2011-16 535i xDrive, 2012-17 640i, 2013-17 640i Gran Coupe, 2014-17 640i xDrive, 2014-17 640i xDrive Gran Coupe, 2013-15 740i, 2013-15 740Li, 2013-15 740Li xDrive Compatible with (continued): BMW: 2013 ActiveHybrid 3, 2012-14 ActiveHybrid 5, 2013-15 ActiveHybrid 7, 2011-17 X3, 2015-16 X4, 2011-13 X5, 2011-16 X6 Replaces the following Original Equipment part number: 11787589475