Replacement Part Number: 11787589121 描述三 产品对应该的故障问题 1.In the event of an oxygen sensor failure, the optimum fuel mixture cannot be maintained and the engine emits harmful carbon monoxide and excessive hydrocarbons, Oxygen Sensor Damage and emits black smoke. Therefore, it is important to troubleshoot or replace it in time. 2.Since the catalytic converter is responsible for eliminating harmful gases such as carbon monoxide and excess hydrocarbons from the vehicle's exhaust system, a faulty oxygen sensor can lead to premature catalytic converter damage. 3.A faulty oxygen sensor will increase the engine's fuel consumption and exhaust gas pollution. The engine will have unstable idle speed, increased fuel consumption, excessive oxygen consumption, lack of engine power, slow acceleration and black smoke. Therefore, it must be promptly troubleshoot or replace 产品的优化与解决点 1.Oxygen sensors are designed to solve problems such as erratic idling, frequent stalling, and poor acceleration, thereby improving fuel economy and reducing carbon emissions, among other features 2.Oxygen sensors improve engine performance and fuel economy, reduce harmful emissions, and prevent premature catalytic converter damage and lean or rich engine operation, thus ensuring efficient engine operation to receive the correct air/fuel mixture 产品的安装位置 1.Direct plug-in replacement oxygen sensors are easy to install in your vehicle and come with pre-coated threads to assist with installation 2.Oxygen sensor easy to install on your vehicle with pre-coated threads to assist with installation 3.Replacement of damaged sensors at the exhaust pipe, easy to install with pre-coated threads to assist with installation 产品的组成结构与材料质量 1.O2 sensors are made of high quality metal materials with electronic components, high temperature resistant wire, with double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing, durable, anti-oxidation, to ensure long-term stable performance 2.O2 sensors are made of high quality metal materials with electronic components and high temperature resistant materials for faster response time. Dual laser-welded stainless steel bodies can be fully submerged to seal in water for long life, oxidation and high temperature resistance to ensure long-term stable performance 描述四 解决与帮助 1.Quality oxygen sensing accurately detects the oxygen content of exhaust gases, optimizing emissions and fuel economy and preventing the emission of harmful amounts of carbon monoxide and excessive hydrocarbons 2.Oxygen sensors ensure that the engine receives the correct air/fuel mixture, thus preventing the engine from running lean or rich, thus ensuring efficient engine operation, maintaining an optimal fuel mixture and eliminating harmful emissions from the vehicle exhaust system 品质的信心 1.Oxygen sensors are manufactured to the highest standards of durability, oxidation resistance and high temperature resistance to ensure consistent long-term performance and to prevent lean or rich engine operation, thus ensuring that the engine runs efficiently and receives the correct air/fuel mixture 2.Manufactured to the highest standards of durability, oxidation resistance and high temperature resistance to ensure long term performance and fully tested to ensure 100% accurate data transfer to the engine management system for optimum engine operation and life 描述五 服务与维护 1.12 months warranty. If there is any problem during the one-year quality warranty period, please feel free to contact us for a free replacement or refund 产品提示 1.To avoid mistakes, please double check our product photos to make sure our products are the same as your old parts and have the same sockets. And please make sure your vehicle type is in the parts description on the back. 2.Please note - Please check the car's build model trim engine, product appearance and part number to make sure this is the correct part you need. If you have any questions, please contact us for answers 3.Please double check the connectors and insert your old parts into our pictures to make sure they are the same before purchase. Failure to do so can lead to compatibility issues and easy return issues BMW 1er 125i F20 08.2011-12.2017 1997 ccm, 160 KW, 218 PS BMW 3er Touring 320i xDrive F31 06.2012-12.2017 1997 ccm, 135 KW, 184 PS BMW 3er 320i xDrive F30, F35, F80 11.2011-12.2017 1997 ccm, 135 KW, 184 PS BMW 5er 520i F10, F18 09.2011-12.2017 1997 ccm, 135 KW, 184 PS BMW 5er 520i F10 09.2011-12.2017 1997 ccm, 120 KW, 163 PS BMW 1er 125i F21 12.2011-12.2017 1997 ccm, 160 KW, 218 PS BMW X5 xDrive40e F15, F85 09.2015-12.2017 1997 ccm, 230 KW, 313 PS BMW X5 xDrive40e F15, F85 09.2015-12.2017 1997 ccm, 180 KW, 245 PS BMW 3er Touring 320i F31 06.2012-12.2015 1997 ccm, 135 KW, 184 PS BMW 4 Cabriolet 428i xDrive F33, F83 01.2014-12.2017 1997 ccm, 180 KW, 245 PS BMW 4 Cabriolet 420i F33, F83 07.2014-12.2017 1997 ccm, 135 KW, 184 PS BMW 4 Coupe 420i F32, F82 11.2013-12.2017 1997 ccm, 135 KW, 184 PS BMW 4 Coupe 420i xDrive F32, F82 11.2013-12.2017 1997 ccm, 135 KW, 184 PS BMW 3er 328i xDrive F30, F35, F80 10.2011-12.2017 1997 ccm, 180 KW, 245 PS BMW 1er 125i F20 03.2013-12.2017 1997 ccm, 175 KW, 238 PS BMW 1er 125i F21 03.2013-12.2017 1997 ccm, 175 KW, 238 PS BMW 2 Cabriolet 220i F23 11.2014-12.2017 1997 ccm, 135 KW, 184 PS BMW 2 Cabriolet 228i F23 11.2014-12.2017 1997 ccm, 180 KW, 245 PS BMW Z4 sDrive 20 i E89 09.2011-12.2017 1997 ccm, 135 KW, 184 PS BMW Z4 sDrive28i E89 09.2011-12.2017 1997 ccm, 180 KW, 245 PS BMW Z4 sDrive 18 i E89 04.2013-12.2017 1997 ccm, 115 KW, 156 PS BMW 4 Gran Coupe 420i F36 03.2014-12.2017 1997 ccm, 135 KW, 184 PS BMW 3er 320i F30, F35, F80 02.2012-12.2017 1997 ccm, 135 KW, 184 PS BMW 4 Gran Coupe 428i F36 03.2014-12.2017 1997 ccm, 180 KW, 245 PS BMW 4 Gran Coupe 428i xDrive F36 03.2014-12.2017 1997 ccm, 180 KW, 245 PS BMW 4 Cabriolet 428i F33 10.2013-12.2017 1997 ccm, 180 KW, 245 PS BMW 4 Coupe 428i F32, F82 07.2013-12.2017 1997 ccm, 180 KW, 245 PS BMW 4 Coupe 428i xDrive F32, F82 07.2013-12.2017 1997 ccm, 180 KW, 245 PS BMW 2 Coupe 228i F22 07.2014-12.2017 1997 ccm, 180 KW, 245 PS BMW 3 Gran Turismo 328i xDrive F34 03.2013-12.2017 1997 ccm, 180 KW, 245 PS BMW 3er 328i F30 10.2011-12.2017 1997 ccm, 180 KW, 245 PS BMW 3 Gran Turismo 328i F34 03.2013-12.2017 1997 ccm, 180 KW, 245 PS BMW 3 Gran Turismo 320i xDrive F34 03.2013-12.2017 1997 ccm, 135 KW, 184 PS BMW 2 Coupe 220i F22 10.2013-12.2017 1997 ccm, 135 KW, 184 PS BMW 5er Touring 520i F11 09.2011-12.2017 1997 ccm, 135 KW, 184 PS BMW 4 Gran Coupe 420i xDrive F36 07.2014-12.2017 1997 ccm, 135 KW, 184 PS BMW X1 sDrive 20 i E84 09.2011-06.2015 1997 ccm, 135 KW, 184 PS BMW X1 xDrive20i E84 09.2011-06.2015 1997 ccm, 135 KW, 184 PS BMW X1 xDrive28i E84 04.2011-06.2015 1997 ccm, 180 KW, 245 PS BMW X1 sDrive 16 i E84 03.2013-06.2015 1592 ccm, 105 KW, 143 PS BMW X3 sDrive 20 i F25 02.2014-12.2017 1997 ccm, 135 KW, 184 PS BMW X4 xDrive20i F26 04.2014-12.2017 1997 ccm, 135 KW, 184 PS BMW X4 xDrive28i F26 04.2014-12.2017 1997 ccm, 180 KW, 245 PS BMW 5er 528i F10 09.2011-12.2017 1997 ccm, 180 KW, 245 PS BMW 5er 528i xDrive F10 09.2011-12.2017 1997 ccm, 180 KW, 245 PS BMW 5er Touring 528i F11 09.2011-12.2017 1997 ccm, 180 KW, 245 PS BMW 5er Touring 528i xDrive F11 09.2011-12.2017 1997 ccm, 180 KW, 245 PS BMW X3 xDrive20i F25 09.2011-12.2017 1997 ccm, 135 KW, 184 PS BMW 3er Touring 328i F31 06.2012-12.2015 1997 ccm, 180 KW, 245 PS BMW X3 xDrive28i F25 08.2011-12.2017 1997 ccm, 180 KW, 245 PS BMW 3 Gran Turismo 320i F34 03.2013-12.2017 1997 ccm, 135 KW, 184 PS BMW 3er Touring 328i xDrive F31 06.2012-12.2017 1997 ccm, 180 KW, 245 PS