One of the leading causes of failure for in-tank electric fuel pumps, according to one pump manufacturer, is fuel starvation.
BMW fuel filters are very efficient. So efficient that they can become clogged quite quickly. Here’s a few tips to work through some common fuel filter clogging issues.
How-to convert a BMW 2002tii fule pump over to a 5 series
Now this is the most ingenious trick I’ve seen since McGiver.
Is your BMW 2002 engine stumbling?Check your fuel filter, it could be clogged.Your owner’s manual will show you the location of the filter (near fuel pump).