10-07-2016, 02:49 PM
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#19
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Drives: 2008 535xi / 2011 Z4 35Is
Join Date: Jan 2011
Location: Indiana
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Quote:
Originally Posted by SpikeMilligan
I think that's actually the low-pressure (lp) fuel pump inside the gas tank. The sound I hear on unlocking seems to be coming from behind the seats. The high-pressure (hp) pump is under the hood, attached to the engine.
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Agreed
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