{"product_id":"o2-oxygen-sensor-upstream-downstream-for-bmw-x3-2013-2016-2-0l","title":"O2 Oxygen Sensor Upstream Downstream for BMW X3 (2013-2016) 2.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Upstream and Downstream Oxygen Sensor Kit for 2013-2016 BMW X3 (F25)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The direct-fit oxygen sensor kit replaces degraded pre- and post-catalytic sensors on the 2013-2016 BMW X3 to restore closed-loop fuel trim precision and eliminate emissions-related check engine lights.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock BMW X3 Exhaust Sensor Degradation\u003c\/h3\u003e\n\u003cp\u003eFactory wideband and narrowband lambda sensors on the \u003cstrong\u003eF25\u003c\/strong\u003e platform endure sustained exhaust gas temperatures up to 900°C alongside fuel additives and carbon contamination. Over time, internal zirconium dioxide ceramic elements foul, sluggish switching response ensues, and heater circuit internal resistances drift out of spec. In the \u003cstrong\u003eN20\u003c\/strong\u003e turbo engine, a slow-responding upstream sensor causes the DME to command overly rich fuel mixtures, resulting in catalytic converter saturation, unburned hydrocarbon buildup, rough idle, and persistent fault codes such as P0171 or P0420.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis matched upstream and downstream sensor kit utilizes laser-welded stainless steel housings and high-temperature ceramic sensing cells to restore accurate air-fuel ratio telemetry. The planar substrate design enables rapid light-off times, quickly stabilizing the heater circuit to minimize cold-start emissions. Integrated factory-matched pigtails, braided sheath wire shielding, and pre-coated threads guarantee direct-fit OE integration without harness splicing, restoring closed-loop stoichiometry and post-catalyst monitoring efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x Upstream Oxygen Sensor (Pre-Catalytic)\u003c\/li\u003e\n  \u003cli\u003e1x Downstream Oxygen Sensor (Post-Catalytic)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2013-2016 BMW X3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003eN20B20\u003c\/strong\u003e \/ \u003cstrong\u003eF25\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e240 hp \/ 260 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003e0258010418\u003c\/strong\u003e, \u003cstrong\u003e0258010419\u003c\/strong\u003e, \u003cstrong\u003e0258027029\u003c\/strong\u003e, \u003cstrong\u003e11787589121\u003c\/strong\u003e, \u003cstrong\u003e11787589122\u003c\/strong\u003e, \u003cstrong\u003e234-4562\u003c\/strong\u003e, \u003cstrong\u003e234-5054\u003c\/strong\u003e, \u003cstrong\u003e758912102\u003c\/strong\u003e, \u003cstrong\u003e758912202\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2013-2016 BMW X3 2.0L (sDrive28i, xDrive28i)\u003c\/li\u003e\n  \u003cli\u003eBMW 228i 2.0L\u003c\/li\u003e\n  \u003cli\u003eBMW 320i 2.0L\u003c\/li\u003e\n  \u003cli\u003eBMW X1 2.0L\u003c\/li\u003e\n  \u003cli\u003eBMW X4 2.0L\u003c\/li\u003e\n  \u003cli\u003eBMW X5 2.0L\u003c\/li\u003e\n  \u003cli\u003eBMW Z4 2.0L\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the F25 X3?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2013-2016 BMW X3 equipped with the \u003cstrong\u003eN20\u003c\/strong\u003e 2.0L turbo inline-4 engine.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to reset DME engine adaptations after installing these sensors?\u003c\/h4\u003e\n\u003cp\u003eYes, clearing stored diagnostic trouble codes and resetting mixture adaptations via an OBD-II diagnostic tool is recommended to recalibrate target fuel trims immediately.\u003c\/p\u003e\n\n\u003ch3\u003eThe BMW Precision Standard\u003c\/h3\u003e\n\u003cp\u003eMaintaining proper European stoichiometric feedback requires sensors that match DME factory sample frequencies, ensuring rapid closed-loop response and zero catalytic diagnostic error codes under hard load transitions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67551298552056,"sku":"DS-EBDO3U6TJ","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-upstream-downstream-for-bmw-x3-2013-2016-2-0l-1.jpg?v=1790794737","url":"https:\/\/performancechiptuning.com\/products\/o2-oxygen-sensor-upstream-downstream-for-bmw-x3-2013-2016-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}