What is a spun bearing? Can you drive on a spun bearing? You can have a spun rod bearing or a spun crank bearing and when they fail, it sometimes destroys the engine like in our Lemons BMW. In this video I show you how to diagnose a spun bearing and possible causes. We disassembled the entire engine, every single nut and bolt, so you guys can see what causes an engine to throw a connecting rod and fail.
Our Backup Race Engine Being Built: https://youtu.be/f8Z4OSrI59s
Stainless Steel Headers: https://ebay.us/3OphJl
Chain Tensioner: https://amzn.to/3J5S7Uf
Timing Chain Cover Gasket: https://advanceautoparts.rt8x.net/4eMymL
Picking our Endurance Race Car: https://youtu.be/_U5XcrifRjQ
How to Replace Power Steering Pump: https://youtu.be/04iDF3I6dTo
Complete Weight Reduction Episode: https://youtu.be/MCiNGmwopx4
What Happened to the Lemons BMW: https://youtu.be/IbPhor1mnCA
My FIRST Wheel to Wheel Endurance Race: https://youtu.be/_vrICr6iNGI
How to Install a Quick Release Steering Wheel: https://youtu.be/bIGDhqY6KpE
Completing my First 24hr Endurance Race: https://www.youtube.com/watch?v=ZZxnDCJTOxs
0:00 How the engine failed
1:25 Installing the junkyard M54 engine
3:14 Stainless steel long tube headers
5:13 Backup BMW motor being built
6:44 What caused the motor to fail
10:20 What is a spun bearing
13:43 What causes a spun bearing
15:17 Oil analysis
18:17 Race car livery
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A common question in the comments is how can we have a junkyard engine and still be below the $500 limit and here is the answer:
The goal of the 24hrs of Lemons is to try to level the playing field by having a bunch of junk cars race. This is the most affordable wheel to wheel racing in the world. Since our engine blew at our first race and we are putting in an equally junky 140k mile junkyard M54 engine which is what came stock with our car, the replacement engine does not count towards the budget. The new seals we installed to stop the oil leaks ($60) and the chain tensioner we installed ($6) does count and the headers ($100) definitely count but we were at $340 after selling everything we could from the car… So now we are at our $500 budget. I need to see if I can sell the cats because those are $400 but something tells me that we can’t haha.
With that said, safety stuff does not count towards the $500 budget. Otherwise it’s impossible to race because the fire suppression system alone cost more than $500 and the cage cost $3800. Parts to make the car faster or perform better do count, but not stuff to save the drivers life.
Now the “backup engine” is a good opportunity for a collab with another automotive YouTuber who wanted to get involved and is trying to grow his channel. We aren’t using the backup engine unless ours blows up again which I can’t imagine will happen (knock on wood). So that engine won’t count towards the budget because it’s not in the car at the start of the race. If we end up having to swap it in at the track, it still won’t count because the time it takes to swap it in will make it so we are not competitive anymore. The next race we would have to remove it and put in another junk engine or take penalty laps.
Lmk if you have any more questions about the $500 budget. Again, the main goal is to prevent people dumping money into a car and have an unfair advantage because they have a bunch of money.
May I please join your team? I need a lifeline..
Crazy how i saw this 2 years ago, bought a beamer a month ago spun a bearing last week 0:30
The E46 throwing a rod reminds me of that one scene from Need for Speed Most Wanted (2005) where razor wanted to race the M3 GTR and then the car started giving out
did it have a zhp camshaft?
carwow: launches an F10 M5
2 seconds later: ball bearings fall out
did it have a zhp camshaft?
Well analysed video
This is one of the best descriptions of what a spun bearing is and the potential causes. And you even show us the potential outcome!
Thanks!
I learned more from Chris than i wver did during college! Cant thank this man more than ever!
Do you still have catalytic converters 4:41 oh
Do you still have catalytic converters 4:41
That is not wire ties unless the plastic Was removed that is just wire 1:56
That is not wire ties unless the plastic Was removed that is just wire 1:56
4:46 fun fact, in the balkans you either dont have cats for 2 reasons. 1. someone stole it 2. you straight piped your car (which is also anti-theft prot. because there is nothing to steal)
BMW + oil = leak
If rules allow it do a dump right after the headers may be loud but very effective
Hey Chris, Please, blur out the address in the oil test.
could you teach how to convert into a dry sump lubrication
"The rod does not have any lubrication"
"Well, I'm no mechanic, but that doesn't sound good"
"If it wasn't human error, then what was it?"
"Divine punishment!"
"A spun bearing"
"Yeah, that's what I meant"
*Dude literally blew up the block… :don’t know :/
Day one of asking you to buy a new drift car
wow, I thought those engine bearings would use metal ball bearings, besides oil lubricant 😄
Doesn't bmw recommend 5w-30 for the m54b30?
Cool very interesting
R.i.p piston
BMW. Engine lights?! PROBLEMS?? NEVER! /s
Hey Chris would you recommend this bmw for a first car
bruuuh… idiot light on the dash my god
Te amo chris❤
Why diessl oil
RIP piston number two
Chris Fix is the king of making car content that any level of mechanic can enjoy
3.8 genesis coupe had it for 3 months and spun the rod bearing 😭
jamie poppin in like a old powernation episode
The fact that a rod made a clear hole through an aluminum block is absolutely insane to think about
Is the exhaust smell just like a carbed car without the catalytic?
Also use heavier weight oil to prevent crank rod bearing wear, I say straight 30 weight minimum! This takes out any rod knock in all my vehicles and provides cushion for rod bearings! Good luck!
I heard 8k is too high of a redline, try to keep redline at 7k maximum!
Fun times, great video, thanks