M54 lifter misfire, So it is a matter of idling

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  1. M54 lifter misfire, Nov 19, 2024 · Is this misfire only on cold start-up? If so, somebody on the E46fanatics finally discovered a collapsed exhaust valve lifter causing a misfire on start-up on one cylinder. The last problem is cylinder 6 misfire that I'm having Jun 21, 2014 · See below - applies to M54 engines as well. So it is a matter of idling. Mar 24, 2024 · Meaning if I start it, let the misfire do its thing for about 2-5 minutes, then delete the code using obd, and start again, the problem wont happen again. This diagnosis sounds suspect. , at engine temperature = X, engine speed = X, etc. If the compression is OK it's almost guaranteed to NOT be the lifter. Open the hood and I have a small oil leak, dripping right onto the o2 sensor by cylinder 4-5. If I drive the car to warmup I don't have missfire on cyl 1. I also hear hissing of sorts. e. Feb 1, 2017 · Hi, Anyone replace lifters M54 engine ? I got missfire if I leave the car to warmup at idle. From Champaign 777 links: Exhibit A "530i Hydraulic Valve Lifter replacement I really need some good advice, I own a 53 plate 530i Sport with 142k on the clock. I think its relevant to the e60 as it shares the M54 engine . I have one last issue of many problems . I have done smoke test, compression, all are good. Mar 4, 2020 · Very likely the lifters as they've seen a few cold starts and the oil temperature has not reached full temperature. My car has the typical 'Cold Start Misfire' attributed to these engines and the culprit is the HVA (s) on Cylinder 1. Dec 1, 2016 · Troubleshooting tips: -- If there is a binding HVA element in one or more cylinders as described above a misfire fault can typically be reproduced in the affected cylinder (s) by duplicating the conditions in which the misfire occurred according to the DME/ECM fault code description i. But, if I start the car, put my seatbelt on, and drive away, the problem won’t show up. Likely will go away after a good highway drive. Oct 6, 2022 · Sounded like it was misfiring, and then when driving it, anything under 3K RPM felt like misfires. Lack of power, sputtering, just driving like crap. Should I use an additive for lifters ? M54B30 engine, 205k miles, 5W40 Liqui Moly LL01 Nov 28, 2022 · 5 Common problems with BMW's M54 engine and what you can do to fix or prevent them from happening to your BMW E46 straight six cylinder Jun 19, 2017 · VIN Decoder says I have M54 Engine P0300 - Random misfire P1347 - Misfire Cylinder 3 with fuel cut off P1351 - Misfire Cylinder 5 w/ f cut off Pending P1345 - Misfire Cylinder 2 w/ F cut off P1349 - Misfire cylinder 4 w/ F cut off Car runs really rough, and dies after 30 seconds of being started, unless you keep giving it a blip of the gas pedal. I need some input and ideas to help this 2004 330 ci come back from the verge of death . Mar 14, 2017 · I started this thread on the 3 series side . Sep 21, 2018 · If you're fixated on replacing the lifter, check the compression with the engine cold. “Sticking lifters” in a hydraulic lifter means they are not pumping up internally, causing the valve Nov 18, 2023 · I've been trying to diagnose a bad misfire on my X5 for the past couple weeks, and it's stumping me at this point. . To sum it up, I got gas, drove it 5-10 minutes down the road, then it developed a cylinder 2 misfire with fuel cutoff.


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