[Dmitry at Pelican Parts]

Hey Peter...I too hope that you've already got it figured out and fixed, but if it's still giving you trouble; check out these 2 articles from our Technical Articles section on E46 Fuel Pumps (links below). Hopefully this gives you a bit more insight and help! Cheers!

Fuel Pump Testing - BMW E46 Fuel Pump Testing | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Technical Article

Fuel Pump Replacement - BMW E46 Fuel Pump Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Technical Article


-Dmitry/Pelican