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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > New turbos, limp mode PLS HELP



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      09-24-2020, 06:11 PM   #23
Tyc0
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What's the oil filter look like? If it's full of metal dust/chips/debris.......you would be better off to find a nice used motor to toss in the car.
It's not full but there are flakes, I cannot afford to put another motor in, pretty much if a new set of bearings won't fix I have to sell the car.
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      09-24-2020, 06:23 PM   #24
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It's not full but there are flakes, I cannot afford to put another motor in, pretty much if a new set of bearings won't fix I have to sell the car.
Well that sucks...you aren't going to get anything for the car with a bad motor.
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      09-24-2020, 06:33 PM   #25
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Did you do this job all by yourself? Your other thread said you found it impossible to do alone, at least the subframe part. Did you have help?

At the end of the day you're gonna have to tear down, find where the metal came from and go from there whether to take the engine out and rebuild or what.
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      09-24-2020, 06:44 PM   #26
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Did you do this job all by yourself? Your other thread said you found it impossible to do alone, at least the subframe part. Did you have help?

At the end of the day you're gonna have to tear down, find where the metal came from and go from there whether to take the engine out and rebuild or what.
I did everything except for my friends helping me lift the subframe
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      09-24-2020, 06:45 PM   #27
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Well I appreciate the help guys, not sure what I'll end up doing, but I'll update when I figure it out. Hopefully the outcome ends with me staying on this forum.
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      09-24-2020, 06:51 PM   #28
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Don't sell the car, find a used motor locally and swap it in. They go for 1-1.5k for a decent one. If you lived closer to me I'd shoot you an offer for the car lol but if you're willing to attempt a rod bearing job, an engine swap is no problem. Hopefully you can laugh about this in the future. Is an expensive lesson.
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      09-24-2020, 06:52 PM   #29
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I did everything except for my friends helping me lift the subframe
Where are you located?
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      09-24-2020, 07:06 PM   #30
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says Oregon
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      09-24-2020, 07:40 PM   #31
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I did everything except for my friends helping me lift the subframe
Where are you located?
Little bit south of Portland Oregon
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      09-24-2020, 07:50 PM   #32
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If the bearing spun then your crank is toast.
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      09-24-2020, 07:52 PM   #33
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If the bearing spun then your crank is toast.
I know I'm hoping one of them is just loose, I don't know how it would spin I never lost oil pressure
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      09-24-2020, 08:33 PM   #34
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If the bearing spun then your crank is toast.
I know I'm hoping one of them is just loose, I don't know how it would spin I never lost oil pressure
Only one way to find out. Drop down the oil pan again. Grab the bottom of the rod caps one at a time and start moving it back and forward and you'll know which one is toasted, but regardless it's always safe practice to inspect all.
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      09-24-2020, 08:35 PM   #35
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If the bearing spun then your crank is toast.
I know I'm hoping one of them is just loose, I don't know how it would spin I never lost oil pressure
Only one way to find out. Drop down the oil pan again. Grab the bottom of the rod caps one at a time and start moving it back and forward and you'll know which one is toasted, but regardless it's always safe practice to inspect all.
Is there any chance the crank is useable ?
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      09-24-2020, 08:47 PM   #36
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Something strange has got to be going on, you're not going to eat up a set of bearings so bad in 12 minutes that it's going to make that much knocking noise... even if it spins a bearing in the journal, it's not going to knock like crazy. I wonder if something didn't get torqued down right or something didn't seat right. If I were you, before I did anything I would pull it all apart and see what's going on with the rod bearings period and maybe something simple.
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      09-24-2020, 08:49 PM   #37
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Something strange has got to be going on, you're not going to eat up a set of bearings so bad in 12 minutes that it's going to make that much knocking noise... even if it spins a bearing in the journal, it's not going to knock like crazy. I wonder if something didn't get torqued down right or something didn't seat right. If I were you, before I did anything I would pull it all apart and see what's going on with the rod bearings period and maybe something simple.
I figured something was weird, it sounds like rod knock but I don't see how that could happen so fast. I'll dig into it eventually but I start school on Monday, could be ahwile.
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      09-24-2020, 09:33 PM   #38
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You checked every single bearing for the 'STD' marking?
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      09-24-2020, 09:34 PM   #39
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You checked every single bearing for the 'STD' marking?
..no I did not, like I said I probably should've left that to someone who knew what they were doing
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      09-24-2020, 09:54 PM   #40
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..no I did not, like I said I probably should've left that to someone who knew what they were doing
hmm is it possible you may have switched the caps between cylinders and that's the knocking sound? If through wear there's a slight slight difference in tolerance now... if that's possible . Or got sent a wrong size bearing by mistake I'm really not sure after that
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      09-24-2020, 09:56 PM   #41
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..no I did not, like I said I probably should've left that to someone who knew what they were doing
hmm is it possible you may have switched the caps between cylinders and that's the knocking sound? If through wear there's a slight slight difference in tolerance now... if that's possible . Or got sent a wrong size bearing by mistake I'm really not sure after that
Definitely didn't switch the caps between cylinders, I did them one at a time, with the cap tang on the opposite sides of the rods tang
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      09-24-2020, 10:33 PM   #42
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Or got sent a wrong size bearing by mistake I'm really not sure after that
There was a thread on here where either King put the wrong size bearing in the "STD" size bearing box, or the other way around. Either way, it has happened before
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      09-24-2020, 11:31 PM   #43
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Or got sent a wrong size bearing by mistake I'm really not sure after that
There was a thread on here where either King put the wrong size bearing in the "STD" size bearing box, or the other way around. Either way, it has happened before
maybe if they are the wrong ones they'll be me a new engine 🧐...if only that's how it worked
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