{"product_id":"genuine-bmw-f20-f22-f30-g11-g30-b58-540mm-oxygen-sensor-inc-m140i-m240i-540i-740i","title":"Genuine BMW B58 Downstream Oxygen Sensor 540mm - Post-Cat Rear O2\/Lambda Sensor | OEM 11788611294 | Fits M140i M240i 340i 440i 540i 640i 740i X3 M40i (F20 F21 F22 F23 F30 F31 F34 F32 F33 F36 G11 G12 G30 G31 G32 G01)","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003eOE BMW B58 After Catalyst Emissions Sensor 540 mm Harness\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Restore clean running, smooth idle and accurate fuelling on your turbocharged six with this original BMW catalyst monitoring sensor for the after‑cat position. This secondary lambda probe is the exact OE replacement for B58 applications and features the correct 540 mm lead and factory connector for a simple plug‑in swap.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Part number: \u003cstrong\u003e11788611294\u003c\/strong\u003e\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhy enthusiasts choose this OE sensor\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eGenuine BMW component for precise mixture control and emissions compliance\u003c\/li\u003e\n    \u003cli\u003eDirect replacement with correct length loom and OEM plug\u003c\/li\u003e\n    \u003cli\u003eHelps resolve engine light faults linked to catalyst monitoring and mixture correction\u003c\/li\u003e\n    \u003cli\u003eSupports fuel economy, drivability and consistent closed‑loop operation\u003c\/li\u003e\n    \u003cli\u003eProven reliability on B58 engines across F Series and G Series platforms\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    We install these weekly at MJ Modifications and customers consistently report fault‑free running and excellent durability once fitted.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cp\u003e\n    Designed for B58 powered models in the after‑catalyst position:\n  \u003c\/p\u003e\n\n  \u003ch4\u003e1 Series\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eF20 LCI 09\/2015 to 06\/2019\n      \u003cul\u003e\u003cli\u003eM140i and M140ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eF21 LCI 09\/2015 to 06\/2019\n      \u003cul\u003e\u003cli\u003eM140i and M140ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch4\u003e2 Series\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eF22 09\/2015 to 06\/2017\n      \u003cul\u003e\u003cli\u003eM240i and M240ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eF22 LCI 09\/2016 to 12\/2019\n      \u003cul\u003e\u003cli\u003eM240i and M240ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eF23 09\/2015 to 06\/2017\n      \u003cul\u003e\u003cli\u003eM240i and M240ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eF23 LCI 10\/2016 to 12\/2019\n      \u003cul\u003e\u003cli\u003eM240i and M240ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch4\u003e3 Series\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eF30 LCI 10\/2014 to 10\/2018\n      \u003cul\u003e\u003cli\u003e340i and 340ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eF31 LCI 10\/2014 to 06\/2019\n      \u003cul\u003e\u003cli\u003e340i and 340ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eF34 GT LCI 09\/2015 to 12\/2019\n      \u003cul\u003e\u003cli\u003e340i and 340ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch4\u003e4 Series\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eF32 04\/2015 to 02\/2017\n      \u003cul\u003e\u003cli\u003e440i and 440ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eF32 LCI 05\/2016 to 12\/2019\n      \u003cul\u003e\u003cli\u003e440i and 440ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eF33 03\/2015 to 02\/2017\n      \u003cul\u003e\u003cli\u003e440i and 440ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eF33 LCI 05\/2016 to 12\/2019\n      \u003cul\u003e\u003cli\u003e440i and 440ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eF36 Gran Coupe 03\/2015 to 02\/2017\n      \u003cul\u003e\u003cli\u003e440i and 440ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eF36 Gran Coupe LCI 05\/2016 to 12\/2019\n      \u003cul\u003e\u003cli\u003e440i and 440ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch4\u003e5 Series\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eG30 10\/2015 to 06\/2019\n      \u003cul\u003e\u003cli\u003e540i and 540ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eG31 03\/2016 to 06\/2019\n      \u003cul\u003e\u003cli\u003e540ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch4\u003e6 Series\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eG32 GT 09\/2016 to 06\/2019\n      \u003cul\u003e\u003cli\u003e640i and 640ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch4\u003e7 Series\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eG11 10\/2014 to 01\/2019\n      \u003cul\u003e\u003cli\u003e740i\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003eG12 10\/2014 to 02\/2019\n      \u003cul\u003e\u003cli\u003e740i, 740ix, 740Li and 740Lix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch4\u003eX Series\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eG01 X3 10\/2016 to 07\/2019\n      \u003cul\u003e\u003cli\u003eX3 M40ix\u003c\/li\u003e\u003c\/ul\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat you receive\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x OE BMW after‑catalyst emissions sensor with 540 mm lead\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation\u003c\/h3\u003e\n  \u003cp\u003e\n    Straight swap using the original mounting and connector on B58 models listed. Prefer a professional fit and code clear? Book with MJ Modifications in Warwickshire. Email \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e for a quote.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWe will confirm fitment\u003c\/h3\u003e\n  \u003cp\u003e\n    Add your UK registration or the last 7 of your VIN at checkout and we will verify compatibility before dispatch.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eManufacturer\u003c\/h3\u003e\n  \u003cp\u003eBMW\u003c\/p\u003e\n\n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003e\n    Two years manufacturer warranty for UK customers and one year for international customers when a VIN is supplied at checkout on compatible vehicles.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eSearch phrases customers use\u003c\/h3\u003e\n  \u003cp\u003e\n    B58 secondary lambda probe, after catalyst oxygen probe, catalyst efficiency sensor, emissions sensor after cat, bank 1 sensor 2 B58, BMW 3.0 petrol six lambda, 540 mm sensor lead, OE 11788611294 BMW sensor, M140i sensor after cat, M240i lambda after catalyst, 340i catalyst monitor sensor, 440i exhaust gas sensor rear, 540i emissions probe, 640i O2 aftercat, 740i secondary O2, X3 M40i lambda probe, F20 F21 F22 F23 F30 F31 F34 F32 F33 F36 G11 G12 G30 G31 G32 G01 B58 sensor.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":55975920075138,"sku":null,"price":228.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/GenuineBMWB58F20F22F30G11G30540mmOxygenSensor_Inc.M140i_M240i_540i_740i_-1_1946x_5d713ece-f94e-48f1-9d5a-964982f7c4e3.jpg?v=1763323651","url":"https:\/\/mjmodifications.co.uk\/products\/genuine-bmw-f20-f22-f30-g11-g30-b58-540mm-oxygen-sensor-inc-m140i-m240i-540i-740i","provider":"MJ Modifications","version":"1.0","type":"link"}