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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 09-23-2013, 11:21 AM   #21
chi330ci
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Coolant level FULL, coolant not frothy or 'sick' looking, but still most likely a thrown rod. Will be updating this evening.
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Old 09-23-2013, 04:42 PM   #22
chi330ci
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Today was a bad day......blew up engine 330CI m54b30

Car is toast, hole in drivers side of engine....

I'll check tonight.....if it was the effin disa valve bolt conspiracy, I'll be pissed.


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Old 09-23-2013, 04:45 PM   #23
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Damn, sucks.
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Old 09-23-2013, 04:48 PM   #24
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Originally Posted by chi330ci View Post
Car is toast, hole in drivers side of engine....

I'll check tonight.....if it was the effin disa valve bolt conspiracy, I'll be pissed.


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Nah. #1 that's largely a myth. it's physically impossible for that disa pin to get sucked into the combustion chamber unless the disa was previously removed and the pin was dropped in the intake before reinstallation.

#2 even if it did, it would simply dent up the piston and exhaust valves and eventually shoot into the cats. wouldn't cause your rod to shoot out of the block
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Last edited by Mango; 09-23-2013 at 04:49 PM.
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Old 09-23-2013, 05:11 PM   #25
chi330ci
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Today was a bad day......blew up engine 330CI m54b30

So did you guys hear? I'll be parting out a 2001 330ci with sport PKG. Car has 70,000 miles - brand new tires - auto trans - hole in the engine.

I'll throw the hole in the engine in for free.


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Old 09-23-2013, 05:20 PM   #26
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So did you guys hear? I'll be parting out a 2001 330ci with sport PKG. Car has 70,000 miles - brand new tires - auto trans - hole in the engine.

I'll throw the hole in the engine in for free.


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I think your connecting rod threw that in there free of charge. waca waca waca!
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Old 09-23-2013, 06:09 PM   #27
chi330ci
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Today was a bad day......blew up engine 330CI m54b30

Mango -

Would there have been anyway to fix loose / deteriorating internals given I received it in this condition??

....other than a rebuild?


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Old 09-23-2013, 06:27 PM   #28
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Mango -

Would there have been anyway to fix loose / deteriorating internals given I received it in this condition??

....other than a rebuild?


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internals don't get loose or deteriorate for no reason. this engine experienced a loss of oil or had water in its oil. if you had reason to believe the bearings were failing, sure you could have done a bottom end rebuild. but you couldn't have known as you just bought the car.

i'd question the previous owner if you want to get to the bottom of it. they may not know much about cars but you can ask them if it ever overheated
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Old 09-23-2013, 06:28 PM   #29
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or better yet take a sample of the oil and have blackstone test it
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Old 09-23-2013, 06:31 PM   #30
chi330ci
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Today was a bad day......blew up engine 330CI m54b30

Thanks Mango, even though the situation sucks, I am learning a lot.

This was my first foray into performance engines, and I was too heavily invested.

Thanks for being forthright with the information, it isn't falling on deaf ears.


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Old 09-23-2013, 06:32 PM   #31
chi330ci
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Today was a bad day......blew up engine 330CI m54b30

*Wasn't too heavily invested.

Haha, obviously


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Old 09-23-2013, 06:34 PM   #32
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Originally Posted by chi330ci View Post
So did you guys hear? I'll be parting out a 2001 330ci with sport PKG. Car has 70,000 miles - brand new tires - auto trans - hole in the engine.

I'll throw the hole in the engine in for free.


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Why not price out an engine replacement? You may be able to get one from a wrecked car. I'd try and get one from a car hit in the rear or side.
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Old 09-23-2013, 06:39 PM   #33
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Thanks Mango, even though the situation sucks, I am learning a lot.

This was my first foray into performance engines, and I was too heavily invested.

Thanks for being forthright with the information, it isn't falling on deaf ears.


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yeah don't let this case scare you. these engines are extremely durable and this is really the first time i've ever heard of this kind of destruction. you can beat on and track these engines for 300k+ miles easily without a sweat providing you maintain the cooling system!
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Old 09-23-2013, 07:01 PM   #34
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Any tips on how to id something like this when looking to purchase a car? I dont beleive the PPI I had done on mine would have found something like this.
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Old 09-23-2013, 07:10 PM   #35
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Any tips on how to id something like this when looking to purchase a car? I dont beleive the PPI I had done on mine would have found something like this.
i should do a thread on this.

investigate. ask quesitons. if prior owner not available, look for signs of overheat. coolant stains, shiny new head, exhaust tampering, tool marks. inspect oil. inspect coolant. drive the car... listen. etcc

consider these professional mango super sport tips!
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Last edited by Mango; 09-23-2013 at 07:10 PM.
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Old 09-23-2013, 07:16 PM   #36
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Previous owner did indeed overheat the engine for a short time. This was proven by the fact that the heads were warped. Head gasket was not able to torque to spec.

It's not as catastrophic as I thought. I was just quoted a 91,000 2 YR Warranty - Dyno Tested engine for $2,385. That isn't much. Even if labor goes north of $3,000.
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Old 09-23-2013, 07:23 PM   #37
chi330ci
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The aluminum block plays a large role in this, and I will be reading your coolant system guide mango.
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Old 09-23-2013, 07:37 PM   #38
Yewzer B Lewzer
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Today was a bad day......blew up engine 330CI m54b30

Looks like a nice car, throw a new engine in there.


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Old 09-23-2013, 09:18 PM   #39
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You mean the bird goes into auto rotation ... You don't "do" an auto rotation. It's not a maneuver. It's when there's a mechanical failure and you loose power to both aft and forward rotor heads (in case of a CH47) . Like a bicycle mechanism, the blades will continue to spin freely allowing you to land safely.
Huh..?

The pilot chooses to enter an autorotation, whether forced to because of a mechanical failure or during training. It absolutely is a maneuver. If the pilot decides to "do" nothing and wait for the aircraft to behave as you describe, he'd be dead. In the case of an engine failure the blades will continue to spin freely only if the pilot acts immediately!

Been flying helicopters commercially for 24 years. If, during the tail rotor failure I had many years ago, I waited for the aircraft to do its own thing, I'd be dead.

Sorry to go off topic...

Last edited by klax; 09-23-2013 at 09:22 PM.
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Old 09-23-2013, 10:04 PM   #40
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Previous owner did indeed overheat the engine for a short time. This was proven by the fact that the heads were warped. Head gasket was not able to torque to spec.

It's not as catastrophic as I thought. I was just quoted a 91,000 2 YR Warranty - Dyno Tested engine for $2,385. That isn't much. Even if labor goes north of $3,000.
Sorry about your engine. I can't believe you thought about parting your car out, though. Car engines have been blowing since they were invented. As long as you don't spend the $$$ for a new engine, it can be less expensive to replace or rebuild one than you might think. BTW - you can better than $2385 with a used engine from a totaled E46.
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