Do you have a Turbo? the most common noise you will hear on a 3.0 Turbo is the fuel pump prime. All I need to do is get close to my 335 or X5 with the key and the cars will sometimes prime the fuel system.

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- 335i E92 2007 [Sapphire Black/Coral Red]
- X5 E70 2013 [Sparkling Bronze/Cinnamon]
"Living the dream" 1981 Delorean #6489