{"product_id":"do88-bmw-135i-335i-n54-n55-e8x-e9x-performance-intercooler","title":"do88 BMW 135I \/ 335I N54 N55 (E8X\/E9X) Performance Intercooler","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe stock intercooler uses quick-click connections for both hoses, connections that are genuinely restrictive to airflow and not ideal in terms of reliability once you're running a high-boost tune. do88's replacement is engineered to deliver the best possible cooling efficiency even under tough conditions, manufactured exclusively in aluminium with continuous welds for genuine reliability and endurance when you need it most.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe numbers: a \u003cstrong\u003e124% larger core volume\u003c\/strong\u003e than the factory unit (15,517cm³ versus 6,933cm³), a \u003cstrong\u003e75% larger frontal cooling area\u003c\/strong\u003e (1151cm² versus 658cm²), and \u003cstrong\u003e41% higher airflow\u003c\/strong\u003e at 0.15 bar\/2.18psi pressure drop (498 CFM versus 354 CFM). On a 335xi N55 with a Stage 1 tune, this translated to a documented \u003cstrong\u003e13hp peak power gain\u003c\/strong\u003e, alongside a \u003cstrong\u003e15°C lower post-intercooler air temperature\u003c\/strong\u003e under identical conditions (43°C versus 58°C stock, measured on an otherwise stock 335xi N55). The stock rubber hoses and plastic J-pipe are replaced with conventional 3in (76mm) hose connections, reinforced silicone hoses, and a 2.5in (63mm) mandrel-bent aluminium J-pipe, compatible with the factory charge pipe as well as any aftermarket charge pipe designed to work with the OEM plastic J-pipe.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWorks with:\u003c\/strong\u003e OEM charge pipe or compatible aftermarket charge pipes. Comes complete with bolts, washers, hoses, clamps, J-pipe, air guide, and installation instructions.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Intercooler\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e124% larger core volume than the factory unit\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e75% larger frontal cooling area, 41% higher airflow\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDocumented 13hp peak power gain on a Stage 1-tuned 335xi N55\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e15°C lower post-intercooler air temperature under identical conditions\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eReplaces the OEM's restrictive quick-click connections and plastic J-pipe\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eComplete kit, everything needed for installation included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E82\/E88 135i\/135is\/1M (2007-2013, N54\/N55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E90\/E91\/E92\/E93 335i\/335xi\/335is (2007-2013, N54\/N55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E89 Z4 sDrive35i\/sDrive35is (2009-2016, N54)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"do88","offers":[{"title":"Default Title","offer_id":54493481468237,"sku":"ICM-350-S","price":713.24,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/do88-bmw-135i-335i-n54-n55-e8x-e9x-performance-intercooler.webp?v=1786432657","url":"https:\/\/i6tuning.com\/products\/do88-bmw-135i-335i-n54-n55-e8x-e9x-performance-intercooler","provider":"i6 Tuning","version":"1.0","type":"link"}