{"product_id":"e36-b48-swap-expansion-tank-mount-kit-99-00161","title":"Strom E36 - B48 Swap Expansion Tank Mount Kit","description":"\u003ch3\u003eBMW E36 B48 Swap Expansion Tank Mount Kit\u003c\/h3\u003e\n\u003cp\u003eComplete your \u003cstrong\u003eBMW E36 B48 engine swap\u003c\/strong\u003e with the STROM Motorsports \u003cstrong\u003eExpansion Tank Mount Kit\u003c\/strong\u003e, designed to provide a clean, secure and straightforward solution for mounting both the engine coolant and intercooler expansion tanks in the E36 chassis.\u003c\/p\u003e\n\u003cp\u003eDeveloped specifically for \u003cstrong\u003eB48-swapped BMW E36 models\u003c\/strong\u003e, this bolt-in relocation kit allows you to use durable and lightweight \u003cstrong\u003efactory F3X-style expansion tanks\u003c\/strong\u003e while positioning both cooling-system reservoirs neatly within the E36 engine bay.\u003c\/p\u003e\n\u003cp\u003eThe kit uses existing threaded mounting points from the original E36 airbox location, helping simplify installation without requiring unnecessary modifications to the chassis.\u003c\/p\u003e\n\u003ch3\u003eDesigned for BMW E36 B48 Swaps\u003c\/h3\u003e\n\u003cp\u003eThe BMW B48 uses separate cooling circuits for the engine and charge-air cooling system, meaning a properly planned expansion tank setup is essential when installing the engine into an E36.\u003c\/p\u003e\n\u003cp\u003eThis mounting kit provides dedicated mounting for \u003cstrong\u003eboth the engine expansion tank and intercooler expansion tank\u003c\/strong\u003e, creating a tidy OEM-style solution for your B48 conversion.\u003c\/p\u003e\n\u003ch3\u003eFactory-Style Expansion Tank Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed around BMW F3X-style expansion tanks, allowing proven OEM cooling-system components to be retained in your swap.\u003c\/p\u003e\n\u003cp\u003eUsing the correct intercooler expansion tank is particularly important because the factory tank incorporates a \u003cstrong\u003echeck valve in the bleed line\u003c\/strong\u003e. This helps prevent coolant from the higher-mounted intake manifold heat exchanger from slowly draining back into the expansion tank.\u003c\/p\u003e\n\u003ch3\u003eBolt-In Installation\u003c\/h3\u003e\n\u003cp\u003eDesigned with ease of installation in mind, the kit utilises the \u003cstrong\u003eexisting threaded holes from the original BMW E36 airbox\u003c\/strong\u003e, providing a convenient mounting location without requiring extensive fabrication.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned specifically for BMW E36 B48 engine swaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMounts both engine and intercooler expansion tanks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with factory F3X-style coolant expansion tanks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUses existing E36 airbox threaded mounting points\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBolt-in relocation design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNylon 3D-printed and laser-cut aluminium mounting components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProvides a clean and organised engine bay installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelps simplify B48 cooling-system installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for performance, track, race and road-going E36 builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan also potentially be used with B58-swapped E36 applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExpansion Tank Compatibility\u003c\/h3\u003e\n\u003cp\u003eDesigned for use with the following BMW expansion tanks:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e17138617045\u003c\/strong\u003e – Intercooler expansion tank\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e17138677649\u003c\/strong\u003e – Engine expansion tank\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Expansion tanks are \u003cstrong\u003enot included\u003c\/strong\u003e with the mounting kit and must be purchased separately.\u003c\/p\u003e\n\u003ch3\u003eThe Complete Expansion Tank Solution for Your E36 B48 Swap\u003c\/h3\u003e\n\u003cp\u003eA modern BMW B48 engine conversion requires more than simply mounting the engine in the chassis. Correctly positioning and securing the cooling-system components is essential for creating a reliable and professional installation.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSTROM Motorsports BMW E36 B48 Swap Expansion Tank Mount Kit\u003c\/strong\u003e takes the fabrication and guesswork out of mounting the engine and intercooler coolant reservoirs, providing a purpose-designed solution that integrates modern BMW cooling components into the classic E36 chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"STROM","offers":[{"title":"Default Title","offer_id":53877390803272,"sku":"99.00161","price":149.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/3576\/8904\/files\/ChatGPT_Image_Aug_21_2026_03_59_32_PM.png?v=1787324385","url":"https:\/\/www.msmotorsport.uk\/products\/e36-b48-swap-expansion-tank-mount-kit-99-00161","provider":"MS Motorsport Limited","version":"1.0","type":"link"}