Good points everyone thank you. I read all of Andrew Wynn's posts last night. Kudos to him, great info and analysis! I actually never go below about 1/2 tank, so she's pretty much full right now.

For the price, I just bought the complete Delphi unit from Rock Auto. Just the pumps were almost the same price as the complete units. FCP was $268 and RA was $177. I agree, at this mileage and hours, it needs one anyway, not worth the risk. I'll take some measurements once the new one gets here.

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2000 e39 M5 Titanium on Black
2006 e53 M54 Titanium on Black
2007 e83 Black on Black Sport pkg
2004 Avalanche 2500 lifted 4.88 gears
1994 jacked up Jeep
1987 GMC lifted short bed on tons