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      01-12-2013, 12:36 PM   #2
caliguy562
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Drives: E92 335i
Join Date: Dec 2007
Location: garaged somewhere in soCal

iTrader: (3)

So much easier to do right the first time. These pumps are gravity feed and work best when located under the tank. You already have to run the meth line, just extend the power wire, as well and put the pump in trunk as well. You will have less headaches down the road. Even with a check valve, it is possible for air to enter the line...faultly valve or point from pump to checkvalve.