{"product_id":"do88-bigpack-intercooler-kit-bmw-135i-335i-35i-n54","title":"DO88 - BigPack Intercooler kit - BMW 135i, 335i, 35i N54","description":"\u003cp\u003eThe \u003cstrong\u003eDO88 BigPack\u003c\/strong\u003e for the \u003cstrong\u003eBMW 135i, 335i and 35i fitted with the N54\u003c\/strong\u003e engine in the \u003cstrong\u003eE8X and E9X models\u003c\/strong\u003e includes both the DO88 performance Intercooler and the Charge Pipe kit. The kit replaces everything from the intercooler inlet right through to the throttle body, significantly improving airflow and cooling performance.\u003c\/p\u003e \u003cp\u003eThis \u003cstrong\u003eIntercooler upgrade\u003c\/strong\u003e is constructed entirely from \u003cstrong\u003ealuminium\u003c\/strong\u003e, featuring CAD-designed, flow-optimised cast end chambers and an optimised core design. The pipework is \u003cstrong\u003e3-inch mandrel-bent seamless aluminium\u003c\/strong\u003e with a CNC-machined throttle body flange. Even on an unmodified car, the standard plastic pipe is prone to breaking.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e \u003cul\u003e\u003cli\u003e124% greater core volume than the original\u003c\/li\u003e\u003cli\u003e75% larger frontal cooling surface area than the original\u003c\/li\u003e\u003cli\u003e41% higher airflow than the original\u003c\/li\u003e\u003cli\u003eAir temperature 15 degrees Celsius lower after the intercooler\u003c\/li\u003e\u003cli\u003eFully aluminium construction\u003c\/li\u003e\u003cli\u003eCAD-designed, flow-optimised cast end chambers\u003c\/li\u003e\u003cli\u003eOptimised core design\u003c\/li\u003e\u003cli\u003e3-inch mandrel-bent seamless aluminium tubing\u003c\/li\u003e\u003cli\u003eCNC-machined throttle body flange\u003c\/li\u003e\u003cli\u003esilicone hoses with four layers of polyester and aramid reinforcement\u003c\/li\u003e\u003cli\u003eTwo methanol injection ports, 1\/8-27 NPT\u003c\/li\u003e\u003cli\u003eResistant to high pressure and high temperatures\u003c\/li\u003e\u003cli\u003eReplaces everything from the intercooler inlet to the throttle body\u003c\/li\u003e\u003c\/ul\u003e \u003ch2\u003eTechnical specifications\u003c\/h2\u003e \u003cul\u003e\u003cli\u003eCore volume: 15,517 cm³ (original 6,933 cm³)\u003c\/li\u003e\u003cli\u003eFrontal cooling surface area: 1,151 cm² (original 658 cm²)\u003c\/li\u003e\u003cli\u003eAir flow rate at 0.15 bar \/ 2.18 psi pressure drop: 498 CFM (original 354 CFM)\u003c\/li\u003e\u003cli\u003eAir temperature after Intercooler: 43 degrees Celsius (original 58 degrees Celsius)\u003c\/li\u003e\u003cli\u003epower gain: 13 hp peak, measured on a 335xi N55 with Stage 1 tune\u003c\/li\u003e\u003cli\u003ePiping: 3 inches (76 mm), mandrel-bent seamless aluminium\u003c\/li\u003e\u003cli\u003eHoses: silicone with four layers of polyester and aramid reinforcement\u003c\/li\u003e\u003cli\u003eMethanol connections: 2x 1\/8-27 NPT\u003c\/li\u003e\u003cli\u003eOE part numbers: 17517540035, 13717590304, 13717590306, 11657556554\u003c\/li\u003e\u003c\/ul\u003e \u003ch2\u003eContents of the set\u003c\/h2\u003e \u003cul\u003e\u003cli\u003eDO88 performance Intercooler\u003c\/li\u003e\u003cli\u003eDO88 Charge Pipe Kit, 3-inch, throttle side\u003c\/li\u003e\u003cli\u003esilicone hoses\u003c\/li\u003e\u003cli\u003eBlind plugs for the methanol connections\u003c\/li\u003e\u003cli\u003eFitting hardware\u003c\/li\u003e\u003cli\u003eFitting instructions\u003c\/li\u003e\u003cli\u003eInstallation instructions\u003c\/li\u003e\u003c\/ul\u003e \u003ch2\u003eFrequently asked questions\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eWhat exactly does this BigPack replace?\u003c\/strong\u003e\u003cbr\u003eEverything from the intercooler inlet right through to the throttle body.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eIs the Charge Pipe fitted on the turbo side or the throttle side?\u003c\/strong\u003e\u003cbr\u003eThe Charge Pipe supplied is for the throttle side only.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eOn what basis was the stated power gain measured?\u003c\/strong\u003e\u003cbr\u003eThe 13 hp was measured on a 335xi with an N55 engine and a Stage 1 tune.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eIs this also worthwhile on a standard car?\u003c\/strong\u003e\u003cbr\u003eThe standard plastic pipe is prone to cracking even without tuning. The original Intercooler and pipes are designed for the original power output.\u003c\/p\u003e","brand":"DO88","offers":[{"title":"Default Title","offer_id":62945140310346,"sku":"BIG-270-S","price":901.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5230\/5482\/files\/DO88_-_BigPack_Intercooler_kit_-_BMW_135i_335i_35i_N54.jpg?v=1786963389","url":"https:\/\/jt-products.eu\/en\/products\/do88-bigpack-intercooler-kit-bmw-135i-335i-35i-n54","provider":"JT-Products | Performance Car Parts","version":"1.0","type":"link"}