Added: 1 year ago
From: e90postwwong
Views: 25,024
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  • sounds normal.

  • That's the sound of your transfer pump priming your fuel system. I love that sound.

  • The 335i is ugly it looks like a 320D

  • woooowww

  • the sound at :30 i always figured its the fuel pump

  • it's normal, is a pre-something...

  • thats not the High pressure fuel pump, its mounted on the side of the engine and is spun directly. It only does anything when the engine is spinning. You're hearing the intake fuel pump, and thats normal

  • did u chnage the tail lights to 2011?

  • it is not for every one.

  • Has it failed yet? my 135i does the exact same thing...

  • My friend's 2006 550i does that same thing. 

  • ? Sound, what sound?

  • @HeLeX63 turn up ur volume

  • That isn't your HPFP. It's your low pressure pump in the tank priming :)

  • same on my 750 li 2007

    i leave it until totaly pump defective

  • What the Heck, Did it even Start?

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