Quote:
Originally Posted by n55x3
Ours makes all kinds of noises. When you open a door after it's been sitting for a while you can hear the high pressure fuel pump (HPFP) pressurizing in anticipation of a start. I can also hear the electronics booting up on occasion when it is really quiet. Both of these sounds are triggered by unlocking the doors or just opening a door.
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Same for my X3. None of my other cars (Lexus) make that noise when I open the doors.