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Re: What's the fuel pump pressure from a '75 530i? (archive)
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Posted by WH on March 04, 2002 at 09:55:22:

In Reply to: What's the fuel pump pressure from a '75 530i? posted by marco (02 board) on March 02, 2002 at 22:20:06:


is it 45psi?

The fuel pump pressure is controlled by the fuel regulator (normally about 2.5 bar or 36psi). You can swap out the fuel regulators for 3 bar (45psi), 3.5 (52psi) or 4 bar(60psi) fuel pressure. I have run upwards of 60 psi off of the stock fuel pump with no ill effects.

WH

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