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BMW 3-Series (E90 E92) Forum
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Occasional Misfires at High load and high gear
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| Yesterday, 11:14 AM | #1 |
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Occasional Misfires at High load and high gear
2009 6mt
N54 stock turbos upgraded CP & BOV Upgraded FMIC DPs 85k miles Ocassionally getting a misfire at high load in higher gears like 3 or especially 4. Took a log of a 4th gear pull where the misfires occurred. Sometimes these misfires throw the car into limp, this one didn’t. Suspecting fueling issue, possible fuel supply issue as i graphed the logs and see a fluctuation in my rail pressure under load. Unsure if it’s my LP or HPFP. HPFP was replaced in years past by bmw. Injectors are a mix of 7s and 8s. Sometimes when i go in the garage the following day after driving the car, i do smell some fuel. Hoping this is just fuel in the DPS or something. I also have some machinery in the garage so really praying it’s not injectors. link to datazap log Last edited by string_money; Yesterday at 11:14 AM.. |
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