{"product_id":"mann-filter-cartridge-oil-filter-hu-721-4-x-for-bmw-335d-x5-xdrive35d-cartridge-replacement-with-drain-plug-gasket-oe-level-f","title":"Mann Filter cartridge oil filter HU 721\/4 x for BMW 335d \u0026 X5 xDrive35d — cartridge replacement with drain plug gasket, OE-level f","description":"\u003cp\u003e\u003cstrong\u003eMANN-FILTER HU 721\/4 x cartridge oil filter with matching oil drain plug gasket is a direct-fit replacement engineered to restore OE-level oil filtration for BMW 335d (2009–2011) and X5 xDrive35d (2009–2013).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for modern diesel engines, this MANN-FILTER cartridge element combines high dirt-holding capacity, resilient sealing components, and filter media tuned to the original equipment specification. The cartridge design retains oil in the module for faster lubrication at start-up and lets you replace only the inner element rather than the entire housing—helping reduce waste and service time while maintaining consistent filtration performance across the service interval.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this cartridge filter match my BMW's requirements?\u003c\/h3\u003e\n\u003cp\u003eThe HU 721\/4 x is built to the dimensional and filtration standards used by European automakers, ensuring compatible fit and flow characteristics. Its media and end-cap construction are selected to deliver the particle retention and oil flow your BMW engine expects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDimensional fit for BMW 335d (2009–2011) and X5 xDrive35d (2009–2013)\u003c\/li\u003e\n  \u003cli\u003eMedia porosity matched to OE specifications for diesel applications\u003c\/li\u003e\n  \u003cli\u003eEnd caps designed to seal correctly in the OEM housing\u003c\/li\u003e\n  \u003cli\u003eIncludes oil drain plug gasket for a proper oil change seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat benefits will I notice after installation?\u003c\/h3\u003e\n\u003cp\u003eAfter installing this cartridge, you should see consistent oil flow and effective contaminant capture across normal driving conditions. The retained oil in the cartridge housing helps with faster lubrication at cold starts, reducing initial friction until the engine reaches operating temperature.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReliable particle retention for extended engine protection\u003c\/li\u003e\n  \u003cli\u003eFaster oil delivery on start-up due to cartridge design\u003c\/li\u003e\n  \u003cli\u003eLong-lasting O-ring flexibility for leak-free sealing\u003c\/li\u003e\n  \u003cli\u003eReduced waste because only the cartridge is replaced\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the filter under tough driving conditions?\u003c\/h3\u003e\n\u003cp\u003eMANN-FILTER media and components are engineered to remain stable under thermal and mechanical stress typical of modern diesel engines. The material choice provides high resistance to pressure changes and contaminants so filtration performance remains consistent until the next scheduled service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh dirt-holding capacity minimizes pressure build-up\u003c\/li\u003e\n  \u003cli\u003eStable media resists collapse or deformation\u003c\/li\u003e\n  \u003cli\u003eO-rings stay flexible to maintain sealing over time\u003c\/li\u003e\n  \u003cli\u003eEnd caps prevent bypass and ensure full media use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install this myself and what else do I need?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with oil service on these BMW models: remove the filter housing cap, extract the old cartridge, fit the new cartridge and O-ring, and replace the drain plug gasket during oil change. Use the correct torque values and follow manufacturer safety procedures when lifting and supporting the vehicle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTools: filter cap socket, torque wrench, oil drain pan\u003c\/li\u003e\n  \u003cli\u003eReplace the drain plug gasket included with this kit\u003c\/li\u003e\n  \u003cli\u003eVerify oil level after refilling and running engine briefly\u003c\/li\u003e\n  \u003cli\u003eFollow BMW service interval recommendations for oil and filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This MANN-FILTER HU 721\/4 x cartridge plus drain plug gasket is aimed at DIY enthusiasts, independent technicians, and fleet managers who service BMW 335d (2009–2011) and X5 xDrive35d (2009–2013) vehicles and want an OE-quality replacement element. If you prioritize accurate fit, proven media stability, and the convenience of replacing only the cartridge during oil service, this part provides a practical, OE-grade option.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this filter compatible with my 2010 BMW 335d?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the HU 721\/4 x cartridge is a direct-fit replacement for BMW 335d model years 2009–2011.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include the oil drain plug gasket?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this product includes the oil drain plug gasket needed for a standard oil change.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mann Filter","offers":[{"title":"Default Title","offer_id":48084390740126,"sku":"B005H7E39U","price":30.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/mann-filter-front-view-cartridge-and-gasket.jpg?v=1785853311","url":"https:\/\/northtrailauto.ca\/products\/mann-filter-cartridge-oil-filter-hu-721-4-x-for-bmw-335d-x5-xdrive35d-cartridge-replacement-with-drain-plug-gasket-oe-level-f","provider":"North Trail Auto","version":"1.0","type":"link"}