What does this hose go to? Comes from under disa valve and brake booster vacuum pump into the intake manifold : r/e46
Fuel Pressure Regulator and Fuel Filter Kit Stainless Oil Gauge with Bolt-in Kit Fuel Manager for BMW E46 M3 2001-2006 01-06 - AliExpress
Fuel filter, pressure regulator | BMW 3' E46 M3 S54 Europe
BMW E46: Fuel Filter Replacement and Pressure Regulator Vacuum Line Replacement - YouTube
fuel filter vacuum line connection | E46 Fanatics Forum
BMW E46 Fuel Filter Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article