{"product_id":"forge-recirculation-valves-for-the-n54-twin-turbo-motor-135-e81-e82-e87-e88","title":"Forge Motorsport N54 Recirculation Diverter Valve Kit for BMW 135i 335i 535i Twin Turbo (E81 E82 E87 E88) - Billet Piston DV Upgrade FMDVBM35 - Direct OEM Replacement, Boost Leak Fix","description":"\u003cdiv\u003e\n  \u003ch2\u003eForge Recirculation Valves for BMW N54 Twin Turbo 135i 335i 535i - Direct Replacement Diverter Valve Upgrade\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Upgrade the weak OEM diaphragm diverter valves on your BMW N54 twin turbo engine with Forge Motorsport’s precision CNC machined recirculation valves. Designed specifically for the N54 as used in BMW 135i, 335i and 535i models, these piston-based DV units deliver reliable boost control, faster response and long-term durability without any permanent modification. Ideal for stock and tuned cars, this is the proven N54 DV upgrade for performance, reliability and consistent power delivery.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Built around Forge’s best-selling 007P piston architecture and re-engineered to suit BMW’s unique connection system, each valve body is CNC machined from T6-6061 billet aluminium on Mazak equipment for precise fit and finish. High temperature Viton O-rings ensure superior sealing and Mobil1 fully synthetic bearing grease provides smooth operation in extreme conditions. The valves are tuneable via interchangeable springs, maintaining full piston travel and flow volume while increasing boost holding capacity. This avoids the reduced vent flow seen on preload-only designs.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The included multi-layer, fabric-reinforced silicone hoses integrate seamlessly with the factory airbox and charge pipes. Even the clamps are premium, silicone-safe items with bevelled edges and a pressed-in drive mechanism, approved for demanding military use. Everything is engineered to withstand higher boost while keeping drivability refined thanks to true recirculation rather than vent-to-atmosphere. Expect crisp throttle lift-off, stable boost, and a dependable solution to common N54 diverter valve failures.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhy choose these Forge N54 recirculation valves\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDirect replacement diverter valves for BMW N54 twin turbo engines - plug-and-play fit\u003c\/li\u003e\n    \u003cli\u003eBillet aluminium piston design for maximum reliability and response\u003c\/li\u003e\n    \u003cli\u003eCNC machined T6-6061 construction for strength and precision\u003c\/li\u003e\n    \u003cli\u003eUltra high temperature Viton O-rings and Mobil1 synthetic lubrication\u003c\/li\u003e\n    \u003cli\u003eInterchangeable springs to suit stock and tuned boost levels\u003c\/li\u003e\n    \u003cli\u003eMaintains full piston travel and high vent flow at throttle lift\u003c\/li\u003e\n    \u003cli\u003eMulti-layer silicone hoses compatible with factory airbox and charge piping\u003c\/li\u003e\n    \u003cli\u003eHigh quality, silicone-safe hose clamps with bevelled edges\u003c\/li\u003e\n    \u003cli\u003eQuiet OEM-style recirculation - the ideal blow off valve alternative for N54\u003c\/li\u003e\n    \u003cli\u003eProven upgrade for eliminating boost leaks and OEM DV failures\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFitment - BMW N54 twin turbo\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eEngine: BMW N54 3.0 twin turbo petrol\u003c\/li\u003e\n    \u003cli\u003eModels: BMW 135i, 335i, 535i with the N54 engine\u003c\/li\u003e\n    \u003cli\u003e1 Series chassis from title: E81, E82, E87, E88\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    We have fitted these on our own N54 builds and for many customers. Feedback has been excellent for boost stability, throttle response and long-term reliability on both standard and remapped cars.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eIn the box\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e2 x FMDVBM35 Valve - Left and Right\u003c\/li\u003e\n    \u003cli\u003e1 x 25 mm x 400 mm Mega Flex Silicone Hose\u003c\/li\u003e\n    \u003cli\u003e1 x 25 mm x 330 mm Mega Flex Silicone Hose\u003c\/li\u003e\n    \u003cli\u003e4 x 40 mm Hose 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  \u003cp\u003e\n    Part reference: FMDVBM35 valves included.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eInstallation and support\u003c\/h3\u003e\n  \u003cp\u003e\n    Direct replacement with no permanent modification required. If you would like professional fitting, choose Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com and our team will be happy to help.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eSearch-friendly keywords\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW N54 diverter valve, N54 recirculation valve, N54 DV upgrade, BMW 135i dump valve, BMW 335i diverter valves, BMW 535i DV, Forge Motorsport DV kit, billet aluminium DV, piston diverter valve, BMW turbo boost leak fix, N54 twin turbo valve upgrade, direct replacement DV, BMW 1 Series E81 E82 E87 E88 N54 valves, BMW performance parts, N54 charge pipe valves, blow off valve alternative, recirc valve kit.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":42447781658812,"sku":"hqvvsii97a","price":178.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/9465\/6700\/products\/Recirculation_Valves_for_the_BMW_N54_Twin_Turbo_Motor_135_335_Models_31207__52448.1531737185.jpg?v=1673106898","url":"https:\/\/www.nforcd.com\/products\/forge-recirculation-valves-for-the-n54-twin-turbo-motor-135-e81-e82-e87-e88","provider":"Nforcd","version":"1.0","type":"link"}