{"product_id":"forge-recirculation-valves-for-the-335-twin-turbo-n54-engine","title":"Forge Motorsport BMW N54 Diverter\/Dump Valves Recirc BOV Kit - 135i 335i 535i 1M Z4 35i (E82 E90 E92 E60 E89) - Billet Piston Turbo Bypass DV Upgrade, Boost Leak Fix, Direct-Fit Twin Turbo - FMDVBM35","description":"\u003cdiv\u003e\n  \u003ch2\u003eFMDVBM35 Turbo Bypass Valve Set for BMW N54 - Leak-free recirc solution for 135i, 335i, 535i\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Cure pressure loss and keep boost rock-solid on your twin turbo straight-six. This premium recirculating pressure relief valve package replaces the fragile factory diaphragm units with rugged, piston-operated billet bodies that seal hard, respond fast and keep airflow consistent under throttle lift. Ideal for stock and tuned cars wanting dependable performance without hissy atmospheric noise.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Part number: \u003cstrong\u003eFMDVBM35\u003c\/strong\u003e\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat makes this upgrade stand out\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDirect replacement pair for N54 turbocharger bypass locations on 135i, 335i and 535i\u003c\/li\u003e\n    \u003cli\u003ePiston internals hold higher pressure than OE membranes - stops bleed-off and wavering boost\u003c\/li\u003e\n    \u003cli\u003e6061-T6 CNC-machined aluminium bodies for strength, heat resistance and long service life\u003c\/li\u003e\n    \u003cli\u003eHigh-temp Viton sealing rings with Mobil 1 synthetic grease for ultra-smooth action\u003c\/li\u003e\n    \u003cli\u003eSpring options included so you can match valve control to your target boost level\u003c\/li\u003e\n    \u003cli\u003eFull piston stroke maintained for excellent flow on lift-off and crisp throttle recovery\u003c\/li\u003e\n    \u003cli\u003eMulti-layer reinforced silicone couplers for an easy install on factory airbox and charge pipes\u003c\/li\u003e\n    \u003cli\u003eHeavy-duty, bevelled-edge clamps with pressed drives - NATO-grade spec for secure clamping\u003c\/li\u003e\n    \u003cli\u003eProven on daily drivers and mapped builds looking for consistent power and reliability\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhy N54 owners choose this recirc set\u003c\/h3\u003e\n  \u003cp\u003e\n    The OE membrane-style valves are known to split and seep, causing lazy spool, erratic target pressure and lost performance. This kit uses a serviceable, metal piston layout that resists heat soak, keeps the system airtight and restores the sharp response you expect from a healthy twin turbo setup. It is a fit-once solution that retains OEM-like manners while supporting elevated boost on tuned cars.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat you get in the box\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e2 x Valves - handed left and right\u003c\/li\u003e\n    \u003cli\u003e1 x 25 mm x 400 mm Mega Flex silicone\u003c\/li\u003e\n    \u003cli\u003e1 x 25 mm x 330 mm Mega Flex silicone\u003c\/li\u003e\n    \u003cli\u003e4 x 40 mm clamps\u003c\/li\u003e\n    \u003cli\u003e2 x Uprated yellow springs\u003c\/li\u003e\n    \u003cli\u003e1 x Forge sticker\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eReal-world confidence\u003c\/h3\u003e\n  \u003cp\u003e\n    We use this setup on our own N54 builds and have supplied and fitted it for many customers. Feedback is consistently positive - firmer boost control, smoother drivability and dependable sealing on both factory and remapped engines. If you want a tidy, recirculating solution that just works, this is the one.\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 via \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eSearch-friendly terms customers use\u003c\/h3\u003e\n  \u003cp\u003e\n    N54 turbo bypass valves. BMW 135i recirc BOV kit. BMW 335i charge air dump valves. BMW 535i turbo pressure relief valves. Billet aluminium DV pair. N54 boost leak cure. Piston-type bypass valve upgrade. Charge pipe valve replacement BMW. Twin turbo recirculating blow off solution. High boost valve springs N54. N54 performance valves. BMW turbo recirc kit. Leak-free turbo valves. N54 tuning hardware. Stage 1 to Stage 2 valve upgrade. BMW twin turbo pressure control valves. FMDVBM35.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55975567131010,"sku":"qwfnl3o45d","price":178.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/Recirculation_Valves_for_the_BMW_N54_Twin_Turbo_Motor_135_335_Models_17384__66653.1531736678.jpg?v=1763322325","url":"https:\/\/mjmodifications.co.uk\/products\/forge-recirculation-valves-for-the-335-twin-turbo-n54-engine","provider":"MJ Modifications","version":"1.0","type":"link"}