Most of the early 335 HPFP problems were due to higher ethanol content in our fuel causing deterioration and a software problem where the low-pressure pump wasn't priming the high-pressure pump sufficiently, causing it to "run dry" and damage itself. The newest pumps for the turbo engines are a different design, and after the software update, whenever you unlock or open a door, you'll hear the LPFP running for several seconds.
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2015 F80 ///M3 Sedan 7DCT Tanzanite, 2022 X3 sDrive30i 8AT Brooklyn Grey
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