BMW M3 and BMW M4 Forum - View Single Post

AlpineWhite_F80 · 12-19-2017, 05:59 PM

Its not a lifter ticking... all bmw engines have a High Pressure Fuel Pump (HPFP) which is driven by the camshaft, every time it does one full revolution it pushes a plunger which causes that noise you're hearing.[IMG][/IMG]

12-19-2017, 05:59 PM	#3
AlpineWhite_F80 Private 82 Rep 96 Posts Drives: 21 G80 M3C, 21 X6 M50 Join Date: Feb 2017 Location: Miami, FL iTrader: (0)	Its not a lifter ticking... all bmw engines have a High Pressure Fuel Pump (HPFP) which is driven by the camshaft, every time it does one full revolution it pushes a plunger which causes that noise you're hearing.[IMG][/IMG]
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