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.

This Part Fits:

Year	Make	Model	Submodel
2007-2015	BMW	335i	Base
2014-2016	BMW	335i GT xDrive	Base
2009-2015	BMW	335i xDrive	Base
2011-2013	BMW	335is	Base