Quote:
Originally Posted by tranquility
Actually, I was just thinking. Even though some of us no longer have prbs w/ this noisy LPFP, some of us have had to make 'concessions', e.g. avoiding a certain gas brand, remembering not to have more than 1/2 or 1/4 tank empty, etc.
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Yes, you are correct. Since I have had mine replaced, I have never let the gas tank get below 1/4 and most of the time fill it back up when it is 1/2 or slightly below. I cannot recall where I got the info that this may have been the cause. I have had the high pressure and low pressure replaced. The high pitched whining sound coming from the rear is the LPFP. I never experienced any problems with the HPFP, but they replaced it because of the recall.
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E89 - 2010 Z4 35i (Orion Silver, Ivory White extended, anthracite trim)
E85 - 2006 Z4 3.0i (Monaco Blue, beige leather, Dark Poplar wood trim)
E85 - 2003 Z4 2.5 (Sterling Gray, black leather, Sycamore wood trim)
E36 - 1998 Z3 2.8 (Red, black leather, wood trim)