{"product_id":"catalytic-converter-for-bmw-228i-428i-2014-2016-2-0l-front","title":"Catalytic Converter for BMW 228i 428i (2014-2016) 2.0L Front","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Front Catalytic Converter for 2014-2016 BMW 2 Series \u0026amp; 4 Series (F22\/F32)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Direct-Fit Front Catalytic Converter replaces degraded factory emissions units on the 2014-2016 BMW 228i and 428i to restore factory exhaust scavenging, eliminate catalytic-efficiency trouble codes, and ensure reliable OBD-II emissions compliance.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock BMW 2 Series \u0026amp; 4 Series Catalyst Degradation\u003c\/h3\u003e\n\u003cp\u003eMounted directly downstream of the twin-scroll turbocharger turbine, the factory catalytic converter on the \u003cstrong\u003eN20B20A\u003c\/strong\u003e engine endures severe thermal stress and continuous exhaust gas pulsation. Over time, high exhaust temperatures and minor oil blow-by degrade the internal precious-metal washcoat, causing catalytic sintering, restricted ceramic cells, elevated exhaust backpressure, and persistent P0420 diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eConstructed with a heavy-gauge stainless steel outer shell and robust tubular casing, this front catalytic assembly features a high-grade ceramic honeycomb substrate engineered to survive extreme exhaust gas temperatures. The internal core is washed in an optimized precious-metal catalytic loading that guarantees proper hydrocarbon and carbon monoxide oxidation without causing backpressure spikes. Integrated pre- and post-catalyst sensor ports and precision-machined flanges match OEM part numbers \u003cstrong\u003e18307607665\u003c\/strong\u003e and \u003cstrong\u003e18327645666\u003c\/strong\u003e, ensuring a bolt-on seal directly against the turbo turbine discharge and mid-pipe without cutting or welding.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Direct-Fit Front Catalytic Converter\u003c\/li\u003e\n  \u003cli\u003e1 × Installation Accessory Hardware Set\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;\"\u003e2014-2016 BMW 2 Series, 4 Series (228i, 428i)\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;\"\u003eN20B20A \/ F22, F23, F32, F33, F36\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 \/ 255 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;\"\u003e18307607665, 18327645666, N20B20A\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\u003e2014-2016 BMW 228i Coupe \u0026amp; Convertible (F22 \/ F23) 2.0L L4\u003c\/li\u003e\n  \u003cli\u003e2014-2016 BMW 228i xDrive Coupe \u0026amp; Convertible (F22 \/ F23) 2.0L L4\u003c\/li\u003e\n  \u003cli\u003e2014-2016 BMW 428i Coupe, Convertible \u0026amp; Gran Coupe (F32 \/ F33 \/ F36) 2.0L L4\u003c\/li\u003e\n  \u003cli\u003e2014-2016 BMW 428i xDrive Coupe, Convertible \u0026amp; Gran Coupe (F32 \/ F33 \/ F36) 2.0L L4\u003c\/li\u003e\n  \u003cli\u003eMounting Location: Front (Downpipe \/ Primary Location)\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 F22 and F32 2 Series and 4 Series?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2014-2016 BMW 2 Series and 4 Series equipped with the \u003cstrong\u003eN20B20A\u003c\/strong\u003e engine. \u003cstrong\u003eRestricted emissions part: EPA 46-state legal only; cannot ship to or be installed in California, New York, Colorado, or Maine. Does not fit 6-cylinder N55\/B58 models or later B48 modular engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eIs custom ECU tuning required after installing this replacement converter?\u003c\/h4\u003e\n\u003cp\u003eNo tuning is required; the ceramic washcoat and bung geometry match factory parameters to operate cleanly within standard DME OBD-II fuel-trim limits.\u003c\/p\u003e\n\n\u003ch3\u003eThe BMW Precision Caliber\u003c\/h3\u003e\n\u003cp\u003eBMW turbocharged powertrains require exact exhaust flow parameters to maintain boost control and sensor calibration; this converter matches factory backpressure thresholds to prevent catalyst codes and keep your European sports car operating without hesitation.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67916638126328,"sku":"DS-E4LOWSAH4","price":129.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-bmw-228i-428i-2014-2016-2-0l-front-1.jpg?v=1793477138","url":"https:\/\/performancechiptuning.com\/products\/catalytic-converter-for-bmw-228i-428i-2014-2016-2-0l-front","provider":"Performance Chip Tuning","version":"1.0","type":"link"}