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      09-25-2019, 09:51 AM   #10
T_H_O_M_A_S
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Drives: M135xi
Join Date: Mar 2019
Location: Belgium

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JB4 will always show zero for the FPL because
your car's model doesnt have a LPF sensor . It can only read the high pressure value from the sensor at the end of your fuel rail .
if im correct , only early n55's with the older style N54hpfp do have a LPF sensor
but that wont solve your problem .

get a decent mechanic to look at it before replacing parts your not sure about .
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