{"product_id":"mosselman-bmw-e90-e92-e93-335i-single-to-twin-oil-cooler-kit-extension","title":"Mosselman Dual Oil Cooler Conversion Kit for BMW 335i E9x (E90\/E91\/E92) - Setrab 19-Row Aux Cooler - N54\/N55 Additional\/Twin Oil Cooler Upgrade | 3 Series Performance Engine Cooling for Track \u0026 Road","description":"\u003cdiv\u003e\n  \u003ch2\u003eBMW 335i E9x Dual Cooler Conversion by Mosselman with Setrab 19 Row Core\u003c\/h2\u003e\n\n  \u003cp\u003eTake control of engine oil temperatures on your turbocharged 3 Series with this Mosselman extension kit. It transforms a factory single cooler layout into a dual setup using a proven Setrab 19 row heat exchanger and high quality hardware. Perfect for fast road, track days and hotter climates, it is a trusted solution for consistent lubrication temperature management on N54 and N55 powered E90, E91 and E92 335i models.\u003c\/p\u003e\n\n  \u003cp\u003eWe have installed and used this kit on customer cars and feedback has been outstanding. Owners report dependable oil temp stability, improved resilience against heat soak and greater confidence on spirited drives and circuit sessions. If you are searching for a reliable 335i engine cooling upgrade that integrates cleanly with OEM architecture, this is the one enthusiasts choose.\u003c\/p\u003e\n\n  \u003ch3\u003eKey benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eConverts single cooler to a dual cooler arrangement for enhanced heat control\u003c\/li\u003e\n    \u003cli\u003eSetrab 19 row auxiliary core for efficient, repeatable cooling performance\u003c\/li\u003e\n    \u003cli\u003eDesigned for N54 and N55 engines used on fast road, track days and in warm weather\u003c\/li\u003e\n    \u003cli\u003ePremium brackets and hose kit for a robust, durable installation\u003c\/li\u003e\n    \u003cli\u003eProven by the community and extensively used on E9x 335i builds\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat you get\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x Setrab 19 row cooler\u003c\/li\u003e\n    \u003cli\u003e1 x Pre-assembled stainless steel left-hand bracket\u003c\/li\u003e\n    \u003cli\u003e1 x Complete mounting bracket set for the left-side cooler\u003c\/li\u003e\n    \u003cli\u003e1 x Hose kit\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW 3 Series 335i E90 \/ E91 \/ E92 with N54\u003c\/li\u003e\n    \u003cli\u003eBMW 3 Series 335i E90 \/ E91 \/ E92 with N55\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eNot sure it fits your car? We can verify before dispatch. For UK vehicles, provide your registration number at checkout. For others, supply the last 7 digits of your VIN.\u003c\/p\u003e\n\n  \u003ch3\u003eInstallation notes\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eNot plug and play.\u003c\/strong\u003e Some trimming and adjustments are required to accommodate the extra cooler and bracketry. Additional OEM pieces needed for the left side include:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eFront oil cooler air duct, left\u003c\/li\u003e\n    \u003cli\u003eWheel arch air duct, left\u003c\/li\u003e\n    \u003cli\u003eInner wheel arch liner for the auxiliary cooler, left\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eThis kit is recommended for vehicles regularly exposed to higher ambient temperatures or sustained high-load driving where stable oil temperature is essential.\u003c\/p\u003e\n\n  \u003ch3\u003eProfessional fitting\u003c\/h3\u003e\n  \u003cp\u003ePrefer a hassle-free install? Book fitting with MJ Modifications in Warwickshire. Request a quote: \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n\n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eOCE9X.N5X.3\u003c\/strong\u003e\u003c\/p\u003e\n\n  \u003ch3\u003eManufactured by\u003c\/h3\u003e\n  \u003cp\u003eMosselman\u003c\/p\u003e\n\n  \u003ch3\u003eSearch-friendly terms\u003c\/h3\u003e\n  \u003cp\u003eBMW 335i E90 E91 E92 oil temperature upgrade, dual oil cooler conversion kit, Setrab 19 row cooler 335i, N54 N55 engine cooling parts, E9x auxiliary oil cooler, track day oil temp fix, 335i heat management, BMW 3 Series 335i lubrication cooling, E90 335i Setrab upgrade, twin cooler kit for 335i, N54 oil temp solution, N55 cooling hardware, BMW 335i performance cooling, E92 335i additional oil cooler, fast road oil temp control.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mosselman","offers":[{"title":"Default Title","offer_id":56008740438402,"sku":null,"price":509.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/MosselmanBMWE90E92E93335iSingleToTwinOilCoolerKitExtension-1_1946x_3407a1b1-b73c-40d0-ac97-4287c9bfd839.jpg?v=1764091659","url":"https:\/\/mjmodifications.co.uk\/products\/mosselman-bmw-e90-e92-e93-335i-single-to-twin-oil-cooler-kit-extension","provider":"MJ Modifications","version":"1.0","type":"link"}