{"product_id":"snow-performance-bmw-water-methanol-injection-solenoid-valve-upgrade","title":"Snow Performance BMW Water Methanol Injection Anti-Siphon Solenoid Valve Upgrade SP30105 - High-Flow Stainless, Methanol-Safe, 1\/8\" NPT - Fits N54 N55 S55 B58 S63","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003cdiv\u003e\n    \n    \u003ch2\u003eSP30105 Anti‑Siphon Valve for BMW WMI Systems\u003c\/h2\u003e\n    \u003cp\u003eLock in reliable, clean water injection with the SP30105 stainless anti‑siphon valve. Built for demanding BMW forced‑induction setups, this methanol‑safe shut‑off valve stops unwanted drainback, gravity feed and run‑on when your pump is not energised. It keeps lines sealed until the controller calls for flow, giving consistent atomisation, safer tuning headroom and repeatable performance on road, track and fast‑road builds.\u003c\/p\u003e\n    \u003cp\u003eWe use this part on our own projects and customer cars. The result is simple. Rock‑solid control, no spurious dribble into the manifold, and confidence when running rear tanks or low‑mounted nozzles.\u003c\/p\u003e\n\n    \u003ch3\u003eStandout benefits\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003ePositive shut‑off for your WMI line to prevent back‑flow and siphoning\u003c\/li\u003e\n      \u003cli\u003eIdeal when the nozzle sits below the reservoir, under vacuum, or with a boot‑mounted tank\u003c\/li\u003e\n      \u003cli\u003eStable fuelling under boost for tuned turbo BMW engines\u003c\/li\u003e\n      \u003cli\u003eQuick to install with included push‑fit adapters and bracket\u003c\/li\u003e\n      \u003cli\u003eProven on high‑power street cars and track toys looking for dependable injection control\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3\u003eTechnical details\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003ePart number: SP30105\u003c\/li\u003e\n      \u003cli\u003eStainless‑steel body and internals for excellent corrosion resistance\u003c\/li\u003e\n      \u003cli\u003eMethanol compatible throughout\u003c\/li\u003e\n      \u003cli\u003eHigh‑flow design to support demanding WMI setups\u003c\/li\u003e\n      \u003cli\u003ePorts: 1\/8 inch NPT female both sides\u003c\/li\u003e\n      \u003cli\u003eIncludes two 1\/8 inch NPT to 1\/4 inch rapid‑connect fittings\u003c\/li\u003e\n      \u003cli\u003eIncludes mounting bracket and screws\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3\u003eCompatibility and applications\u003c\/h3\u003e\n    \u003cp\u003eWorks with Snow Performance Boost Cooler systems and upgrades, and with most water‑injection kits using 1\/8 inch NPT connections. Suitable for turbocharged and supercharged builds up to 2.1 bar or 30 psi.\u003c\/p\u003e\n    \u003cp\u003ePopular BMW engine coverage includes N20, N54, N55, S55, N63, N63TU, B38, B48, B58, S63 and S63TU. Perfect for WMI line shut‑off on direct‑injection and port‑injection applications alike.\u003c\/p\u003e\n\n    \u003ch3\u003eWhat you get\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003e1 x SP30105 stainless shut‑off valve with 1\/8 inch NPT ports\u003c\/li\u003e\n      \u003cli\u003e1 x bracket with fixings\u003c\/li\u003e\n      \u003cli\u003e2 x push‑fit adapters 1\/8 inch NPT to 1\/4 inch\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3\u003eFitting service\u003c\/h3\u003e\n    \u003cp\u003eWant it installed by specialists who build and tune these cars every day? Book professional fitment 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\u003ePro tip\u003c\/h3\u003e\n    \u003cp\u003eUsing ProLine steel braided hose sets for even greater methanol resistance and abrasion durability? Choose the Snow Performance ProLine solenoid option matched to those lines.\u003c\/p\u003e\n\n    \u003ch3\u003ePre‑dispatch check\u003c\/h3\u003e\n    \u003cp\u003eAdd your UK registration or last 7 digits of your VIN at checkout and we will confirm suitability for your setup before shipping.\u003c\/p\u003e\n\n    \u003ch3\u003eWhy enthusiasts choose this valve\u003c\/h3\u003e\n    \u003cp\u003eTrusted by tuners for consistent shut‑off and leak‑free operation. Customers report smoother delivery, better peace of mind with rear reservoirs and cleaner plugs thanks to precise on‑off control.\u003c\/p\u003e\n\n    \u003ch3\u003eSearch phrases and related terms\u003c\/h3\u003e\n    \u003cp\u003eBMW WMI shut‑off valve. Anti siphon valve for meth kits. Methanol line lock for turbo BMW. Check‑valve alternative for water injection. Stainless WMI valve 1\/8 NPT. SP30105 shut‑off for N20 N54 N55 S55 B58 S63. Boost cooler accessory. Back‑flow prevention valve for rear tank setups. High flow methanol valve. BMW tuning hardware for water injection systems.\u003c\/p\u003e\n\n    \u003ch3\u003ePhotos\u003c\/h3\u003e\n    \u003cp\u003e\u003cimg alt=\"Snow Performance SP30105 BMW WMI Anti Siphon Valve - MJ Modifications UK\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1272\/9301\/files\/Snow_Performance_BMW_Water_Methanol_Injection_Solenoid_Valve_Upgrade-2_2048x2048.jpg?v=1608707553\"\u003e\u003c\/p\u003e\n    \u003cp\u003e\u003cimg alt=\"SP30105 WMI Shut Off Valve Fitted on BMW - MJ Modifications UK\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1272\/9301\/files\/Snow_Performance_BMW_Water_Methanol_Injection_Solenoid_Valve_Upgrade-3_2048x2048.jpg?v=1608707637\"\u003e\u003c\/p\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Snow Performance","offers":[{"title":"Default Title","offer_id":56008686731650,"sku":null,"price":74.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/SnowPerformanceBMWWaterMethanolInjectionSolenoidValveUpgrade-1_1946x_dc7a2163-5499-4bc3-b403-82913566cb25.jpg?v=1764090738","url":"https:\/\/mjmodifications.co.uk\/products\/snow-performance-bmw-water-methanol-injection-solenoid-valve-upgrade","provider":"MJ Modifications","version":"1.0","type":"link"}