{"product_id":"upstream-air-fuel-ratio-lambda-o2-oxygen-sensor-234-5027-11787586693-11787589139-for-bmw-528i-535i-535xi-740i-740li-x3-x6-108485","title":"Oxygen Sensor Upstream Air Fuel Ratio Lambda for BMW 528I 535I X3 X6","description":"\u003cdiv\u003e\n\u003cp\u003eThe Oxygen Sensor Upstream Air Fuel Ratio Lambda for BMW 528I 535I X3 X6 is a direct-fit, heated O2 sensor designed to monitor the air-fuel balance before the catalytic converter. Using a piezoelectric sensing element, it provides fast, precise readings to the engine control unit, helping your BMW maintain optimal combustion, reduce emissions, and improve throttle response. This upstream\/front probe plays a crucial role in dialing in fuel mixture across driving conditions, so you can enjoy smoother starts, steadier idle, and better overall efficiency.\u003c\/p\u003e \u003cp\u003eCompatible with a range of BMW models, this sensor is a reliable replacement that aligns with OEM specifications. It fits:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBMW 528i (2011)\u003c\/li\u003e \u003cli\u003eBMW 535i (2008–2010)\u003c\/li\u003e \u003cli\u003eBMW 535xi (2008)\u003c\/li\u003e \u003cli\u003eBMW 740i (2011–2012)\u003c\/li\u003e \u003cli\u003eBMW 740Li (2011–2012)\u003c\/li\u003e \u003cli\u003eBMW X3 (2010–2012)\u003c\/li\u003e \u003cli\u003eBMW X6 (2008–2010)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey identifiers include OEM numbers 234-5027, 2345027, 11787557758, 11787586693, and 11787589139, ensuring compatibility with factory part databases. The sensor features heating for quick responsiveness in cold starts and a robust upstream\/front probe design tuned for accurate lambda measurements. Originating from Mainland China, this part is manufactured to meet stringent automotive standards and is intended for permanent installation when replacing a worn or failing upstream O2 sensor.\u003c\/p\u003e \u003ch3\u003eBenefits \u0026amp; Tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRestore accurate air-fuel sensing to improve fuel economy and reduce emissions during every phase of driving.\u003c\/li\u003e \u003cli\u003eEnhance engine idle stability and throttle response by giving the ECU reliable feedback on the exhaust gas composition.\u003c\/li\u003e \u003cli\u003eOperate more effectively in cold starts thanks to the built-in heating feature that speeds up sensor warm-up.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBrand: IWOKPHD\u003c\/li\u003e \u003cli\u003eSensor Type: Piezoelectric\u003c\/li\u003e \u003cli\u003eHeating Type: Heating\u003c\/li\u003e \u003cli\u003eMeasuring Range\/Function: Upstream Front Probe Air Fuel Ratio Lambda (O2 Sensor)\u003c\/li\u003e \u003cli\u003eOEM Numbers: 234-5027, 2345027, 11787557758, 11787586693, 11787589139\u003c\/li\u003e \u003cli\u003eOrigin: Mainland China\u003c\/li\u003e \u003cli\u003eApplication Coverage: BMW 528i (2011), 535i (2008–2010), 535xi (2008), 740i (2011–2012), 740Li (2011–2012), X3 (2010–2012), X6 (2008–2010)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePackage includes:\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e1 x Oxygen Sensor\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWarnings\/Reminders\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlease verify compatibility with your exact vehicle year and model before purchasing.\u003c\/li\u003e \u003cli\u003eAll items ship within 2 working days after payment is confirmed.\u003c\/li\u003e \u003cli\u003eImport duties, taxes, and charges are not included in the item price or shipping costs; these charges are the buyer’s responsibility.\u003c\/li\u003e \u003cli\u003eShipping times are estimates and can vary with season or weather conditions.\u003c\/li\u003e \u003cli\u003eWe will replace malfunctioning items when received if returned in original packaging. Warranty: 1 year (Replacement Warranty).\u003c\/li\u003e \u003cli\u003eItem must be returned in original packing and condition to qualify for replacement.\u003c\/li\u003e \u003cli\u003eContact us before returning items or leaving non-positive feedback; we will address issues promptly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAll electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.\u003c\/p\u003e \u003cp\u003eProviding quality and trusted service since 2002 at intercyprus.com.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"Default Title","offer_id":53460392444246,"sku":"1005011779272435-Default Title","price":49.64,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/S4525c990d58e4f4bbb792f0da372cd11l.webp?v=1778052640","url":"https:\/\/www.intercyprus.com\/fr\/products\/upstream-air-fuel-ratio-lambda-o2-oxygen-sensor-234-5027-11787586693-11787589139-for-bmw-528i-535i-535xi-740i-740li-x3-x6-108485","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}