hard start only on warm engine first noticed last year after 11 years.
Can i verify that on the fuel filter:
"in" is the black line that comes from the electric fuel pump
"rtn" is the blue line that goes to the fuel tank on the drivers side
and then the other blue line goes on to feed the fuel rail
TAHNKS!
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2004, X5, 3.0, 202k+
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