{"product_id":"dinan-high-capacity-oil-cooler-system-e90-335i-cars-without-factory-oil-cooler-standard-bumper","title":"Dinan High Capacity Oil Cooler Kit for BMW 3 Series E90 335i N54 (3.0 Twin-Turbo) - Direct Fit OE Location Oil Radiator Upgrade - For Cars Without Factory\/OE Cooler - Standard Front Bumper | Performance Track Cooling","description":"\u003cdiv\u003e\n  \u003ch2\u003eDinan High Capacity Oil Cooler System for BMW E90 335i N54 - Standard Front Bumper - For Cars Without OE Cooler\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Keep your N54-powered E90 335i performing at its best with Dinan’s high capacity engine oil cooling system. This premium, direct-fit package replaces the small factory heat exchanger with a significantly larger uprated oil radiator in the original mounting position, delivering outstanding temperature control, consistent power, and confidence on spirited road drives and track days. Designed specifically for vehicles that were supplied without the original oil cooler and fitted with the standard front bumper, it is the reliable solution to tame heat soak and avoid limp mode when you push on.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eProven performance benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eApproximately double the volume of the stock unit for stronger thermal stability\u003c\/li\u003e\n    \u003cli\u003e414 square inches of cooling tube area versus 112.5 square inches on the factory core for a dramatic increase in heat rejection\u003c\/li\u003e\n    \u003cli\u003eIntegrated inlet ducting to maximise airflow across the core\u003c\/li\u003e\n    \u003cli\u003eEnlarged outlet directing more hot air to the wheel arch to improve evacuation\u003c\/li\u003e\n    \u003cli\u003eOEM-style installation in the stock location for a clean, professional finish\u003c\/li\u003e\n    \u003cli\u003eLightweight convoluted PTFE hoses with a durable polyester outer braid\u003c\/li\u003e\n    \u003cli\u003eMotorsport-grade fittings for durability and leak-free operation\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    On the road or during extended sessions, stable oil temperatures protect the N54’s twin-turbo straight-six and help maintain consistent performance. This Dinan system is a proper bolt-on upgrade that addresses the heat management weak point on cars without the factory cooler, helping prevent power fade and safeguarding engine longevity when driving hard.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat you get\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHigh capacity oil cooler core engineered for the E90 335i N54 platform\u003c\/li\u003e\n    \u003cli\u003ePurpose-built inlet ducting and enlarged outlet for efficient airflow\u003c\/li\u003e\n    \u003cli\u003ePTFE braided lines and high-quality fittings\u003c\/li\u003e\n    \u003cli\u003eVehicle-specific hardware for a tidy, stock-like fit\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eReal-world feedback\u003c\/h3\u003e\n  \u003cp\u003e\n    We have installed and run this package on customer 335i builds and the results are consistent: lower and more stable oil temps, stronger performance over long stints, and peace of mind on hot days. It simply works.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW 3 Series E90 335i with the N54 engine, standard front bumper, and cars delivered without the original oil cooler. If you are unsure about your bumper type or whether your vehicle had the OE heat exchanger, contact us and we will confirm suitability before ordering.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eFitting and support\u003c\/h3\u003e\n  \u003cp\u003e\n    Professional installation available at MJ Modifications in Warwickshire. Request a fitting quote: \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e\n  \u003c\/p\u003e\n\n  \u003ch3\u003eSearch phrases customers use\u003c\/h3\u003e\n  \u003cp\u003e\n    N54 3.0 twin turbo oil radiator, E90 335i temperature management upgrade, high capacity engine oil radiator 335i, performance oil cooling kit for N54, direct-fit 335i cooler in OE position, bolt-on oil cooling package E90, track day cooling solution for N54, uprated lubrication cooling 335i saloon, fender-mounted oil radiator upgrade, limp mode prevention N54 cooling, heat soak fix for 335i, aftermarket oil cooling system for 3 Series E90, plug-and-play oil radiator kit 335i, reliability upgrade for N54-powered 3 Series, cooling system enhancement for turbocharged 335i.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55975111721346,"sku":"3iwcp24d1k","price":3338.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/D570-0926__24387.1535041599.jpg?v=1763320617","url":"https:\/\/mjmodifications.co.uk\/products\/dinan-high-capacity-oil-cooler-system-e90-335i-cars-without-factory-oil-cooler-standard-bumper","provider":"MJ Modifications","version":"1.0","type":"link"}