{"product_id":"catalytic-converter-for-bmw-x5-2011-2013-3-0l","title":"Catalytic Converter for BMW X5 (2011-2013) 3.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Catalytic Converter for 2011-2013 BMW X5 (E70)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This direct-fit catalytic converter bolts behind the turbocharger on the 2011-2013 BMW X5 (\u003cstrong\u003eE70\u003c\/strong\u003e) equipped with the \u003cstrong\u003eN55 3.0L Turbo I6\u003c\/strong\u003e to restore factory exhaust gas conversion and clear catalyst efficiency faults.\u003c\/p\u003e\u003ch3\u003eThe Stock BMW X5 Catalytic Converter Failure\u003c\/h3\u003e\u003cp\u003ePositioned immediately downstream of the turbocharger outlet, the factory converter on the \u003cstrong\u003eE70\u003c\/strong\u003e X5 with the \u003cstrong\u003eN55 3.0L Turbo I6\u003c\/strong\u003e endures extreme thermal cycling and heat soak. Over time, repeated temperature spikes and unburned fuel from aging injectors or misfires cause the OEM ceramic washcoat to degrade and fracture. Once the substrate breaks apart, exhaust restriction climbs and the DME logs catalyst efficiency codes, replacing OEM units \u003cstrong\u003e18407645241\u003c\/strong\u003e and \u003cstrong\u003e18307599198\u003c\/strong\u003e.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms of a Failing OEM Catalytic Converter\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Engine Light \/ DTCs:\u003c\/strong\u003e Triggers \u003cstrong\u003eP0420\u003c\/strong\u003e or \u003cstrong\u003eP0430\u003c\/strong\u003e catalyst system efficiency below threshold codes when oxygen storage capacity drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudible Substrate Rattle:\u003c\/strong\u003e Fractured internal ceramic honeycomb produces a distinct metallic rattle near the turbo downpipe during cold starts and deceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivability \u0026amp; Emissions Failure:\u003c\/strong\u003e Dislodged substrate fragments choke exhaust flow, increasing turbo backpressure, reducing boost response, and failing OBD-II emissions readiness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Stainless Catalytic Converter Solution\u003c\/h3\u003e\u003cp\u003eBuilt from corrosion-resistant stainless steel tubing and a durable outer shell, this converter resists thermal fatigue cracking behind the turbocharger. Inside, a high-flow ceramic honeycomb substrate treated with a precious-metal washcoat converts HC, CO, and NOx emissions to meet EPA federal standards. Factory-matched inlet flanges, rear joints, mounting brackets, and dual oxygen sensor bungs ensure a direct bolt-on replacement for \u003cstrong\u003e18407645241\u003c\/strong\u003e, \u003cstrong\u003e18307599198\u003c\/strong\u003e, \u003cstrong\u003eD17409FC\u003c\/strong\u003e, and \u003cstrong\u003e16995\u003c\/strong\u003e without cutting or welding.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x Direct-Fit Catalytic Converter\u003c\/li\u003e\n\u003cli\u003e1 x Ring Gasket\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\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;\"\u003e2011-2013 BMW X5\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;\"\u003eN55 3.0L Turbocharged I6 \/ E70\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;\"\u003eEmissions \u0026amp; Substrate\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eEPA Federal (46-State Legal) \/ Ceramic Honeycomb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eInstallation Type\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eDirect Bolt-On OEM Replacement (No Cutting or Welding)\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;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e18407645241, 18307599198, D17409FC, 16995\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2011-2013 BMW X5 xDrive35i (3.0L Turbocharged I6)\u003c\/li\u003e\n\u003cli\u003e2011-2013 BMW X5 xDrive35i Premium (3.0L Turbocharged I6)\u003c\/li\u003e\n\u003cli\u003e2011-2013 BMW X5 xDrive35i Sport \u0026amp; M Sport (3.0L Turbocharged I6)\u003c\/li\u003e\n\u003cli\u003eExclusions: Does not fit X5 xDrive50i V8, diesel, X5 M, or 2014+ X5 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the E70 X5?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e This is a direct fit for the 2011-2013 BMW X5 equipped with the \u003cstrong\u003eN55 3.0L Turbocharged I6\u003c\/strong\u003e engine. \u003cstrong\u003eNot compatible with X5 xDrive50i V8, diesel, X5 M, or 2014+ models, and not CARB approved for vehicles registered in California, New York, Colorado, or Maine.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this clear P0420\/P0430 codes, and are O2 sensors included?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes, if the fault stems from a degraded converter.\u003c\/strong\u003e Replacing a worn catalyst restores oxygen storage efficiency to clear \u003cstrong\u003eP0420\/P0430\u003c\/strong\u003e codes, though upstream\/downstream O2 sensors are not included and must be transferred or replaced separately alongside checking for exhaust leaks.\u003c\/p\u003e\u003ch4\u003eAre gaskets and mounting hardware included for installation?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eA ring gasket is included.\u003c\/strong\u003e Soak all turbo outlet clamp and bracket fasteners with penetrating oil once cool, reuse or replace sensors in the two factory bungs, torque joints evenly, and verify leak-free sealing at idle.\u003c\/p\u003e\u003ch3\u003eThe BMW Precision Standard\u003c\/h3\u003e\u003cp\u003eRestoring proper exhaust flow and catalyst efficiency keeps your \u003cstrong\u003eE70\u003c\/strong\u003e DME fueling trims accurate and prevents recurring check engine lights. Built to factory tolerances, this converter delivers dependable OBD-II compliance and quiet, restriction-free operation.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68085273395448,"sku":"DS-ENZGS71LI","price":178.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-bmw-x5-2011-2013-3-0l-1.jpg?v=1794543256","url":"https:\/\/performancechiptuning.com\/fr\/products\/catalytic-converter-for-bmw-x5-2011-2013-3-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}