04-01-2024, 05:13 PM | #45 | |
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What timing kit did you use? A good one or a cheap fleabay knock off? It probably needs to run for longer to get more codes, but thats kinda not a good idea. You did pull the injector plugs at the same time, yeah? Otherwise you should prob change that oil, put a couple of drops into the cylinders. |
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04-01-2024, 06:26 PM | #46 |
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Your o2 sensors are plugged in correctly? Just saw the other thread https://www.bimmerfest.com/threads/r...-elec.1460785/
and in line with the wrong plugs. Was wondering if criss-crossed the o2s? Not the issue in this thread, but has pics. https://f15.bimmerpost.com/forums/sh...2002137&page=7 |
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04-07-2024, 02:06 AM | #47 |
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I have done another comp test with another tester just to make sure. Cyl 1 and 8 are the lowest at 165, Cyl 2-7 range between 170-180.
I also did a leakdown test, all cylinders are fine, between 10-15%. As for timing kit, I just used a cheap one however checked it (as best as possible) to check both slots were aligned. o2 are definitely in correctly, I double and triple checked this a few weeks back. I have made this mistake before! And yes, injector plugs were pulled at the same time. At this point, I am going to try and get some eyes on the flex plate via the crank angle sensor plug hole to see if I can see anything out of the ordinary. |
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04-09-2024, 06:04 PM | #48 |
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Let us know if you see anything. I think at this point you may need to get oscilloscope and start looking at the signals. Just make sure you get something that is sensitive enough.
Or even take it to a shop. |
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04-21-2024, 04:52 PM | #49 |
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Managed to get a mate to turn the motor by hand while I looked at the flex plate through the crank angle sensor hole. Looks to be perfectly true to me, so I don't think there's an issue there.
Anyone have a recommendation for an oscilloscope? |
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04-25-2024, 06:16 PM | #50 |
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I'm guessing you've checked and tested all the vacuum lines and teste the intake system, maybe something is badly cracked and letting allot of unmetered air in.
Granted, the MAF should through up an error in such a case. No idea on oscilloscope. From the cheap-ish (for oscilloscope) Pico's seems to come up over and over and do seem to have nice HW and software especially the automotive stuff. *very dumb idea*, since it runs smooth at higher revs. Is it worth taking for a spin and if it smooths out, or if you get a new set of errors? |
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04-28-2024, 06:32 AM | #51 | |
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Pico was what I was thinking, I might see if I can pick one up locally. I was thinking this too. I did take it for a brief drive, approx. 500m, didn't throw any codes. Quite rough when driving, doesn't feel/sound comfortable! |
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05-03-2024, 07:41 PM | #53 |
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