Radium Engineering - 20-0470-00
FHST, BMW, PUMPS NOT INCLUDED, WALBRO GSS342 OR AEM 50-1200 E85
Surge tank system that mounts insided of OEM BMW fuel tank. Factory fuel pump acts as lift pump to feed surge tank. Surge pumps then feed the engine. Excellent way to add more pump capacity while also protecting from fuel starvation.