The cost of a new BMW fuel pump alone is now $400 (internet 05/30/2012). After reading the forums I replaced it with a: Facet Purolator FEP 2402 for $50. Available from Octane Auto online:
http://www.octaneautosupply.com/Engine-Management-Exhaust/Air-Intake-Fuel-Delivery/Fuel-Pumps/Facet-Purolator-FEP2042-p5214557.html
The other components from BMW were also very expensive the vibration damper $80, fuel hose $26 each for two pieces, the fuel pre screener (no longer made) $40, the filter $35.
Napa had a one foot length of hose for $30. Advance Auto had a FRAM G3802A In-Line Fuel Filter for $10, as vibration damper I've purchased a 1 foot length of 1.5 inch marine fuel fill hose and a 1' length of 1/2" Shields Fire A Col. These hoses are supposed to resist fuels oils solvents alcohol. In the end I may have to replace them multiple times, but the cost of these two hoses was $22, I can make 3 dampers out of them. Even if they stand up to the fuel as poorly as the BMW OEM part I'll be way ahead of the game.
The large hose is a little loose in the retaining clamp and the pump is a little loose in the hose I'm going to use the thinner hose to fill space where there are gaps. I read one post where the guy used the hose that comes with the pump to fill the gap (he still had an OEM damper and fuel hose), but I think I'll need that hose also as all my hosing was old broken and brittle. He attached the "filler" with zip ties, I'm going to use Stainless hose clamps.
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