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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 > 1st Track Day = N54 Engine Failure :(



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      03-08-2013, 04:18 PM   #111
johnnyboi418
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omg..
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      03-08-2013, 06:53 PM   #112
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What can cause meth to continually spray? It's gotta be one of the components of the meth system or am I missing something?
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      03-08-2013, 08:02 PM   #113
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Quote:
Originally Posted by Indo Rider View Post
"meth, not even once"? whatever.... Shit happens, don't get scared, get smart, learn exactly what happened, share the knowledge, hopefully it can help others in the future. But hey, if you just say no to meth there'll be more for me!
Lol that's an anti-drug campaign turned internet meme. I used it as a joke


Geez
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      03-08-2013, 11:45 PM   #114
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if you just say no
^ I got it, lol
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      03-08-2013, 11:51 PM   #115
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They shouldn't even sell these WW kits. Not that I'm saying that's the cause of your engine poping... Just saying very dangerous
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      04-06-2013, 07:52 PM   #116
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-------------------------------------------------------
FINAL UPDATE: 4/6 - Just got home from taking my car the LTMW meet and the engine's running better than ever


New engine was installed on 3/12 and car returned to me on 3/14. I've put almost 700 miles on the new engine. Let me start by saying that SouthBay Autohaus knows their stuff and has been great to work with through all of this. Their expertise is top notch and I really appreciate how they've kept me informed along the way. The car is running better now than it ever has, but it's taken some serious work to get to this point.

Last time I posted, I knew my original clutch was toast but I didn't know that I'd have to purchase a new DMFW (Dual Mass Fly Wheel) too. When the engine seized, the torque from the driveshaft caused this to happen... (notice how the holes don't line up?).



Also, here's a few of the other issues we had to work through after the car was originally returned to me:
- squeeling pulley - replaced
- broken nipple off of plastic vacuum canister - replaced
- boost leak - replaced all vacuum lines
- vanos codes - replaced both intake and exhaust vanos solenoids
- low pressure fuel pump codes - resolved issue with ECU
- high pressure fuel pump codes - resolved issue with ECU
- clunking noise when turning left or right - issue caused by a worn bushing (see upgrades below for fix as I decided to use this as an excuse to upgrade to front and rear M3 control arms)

Here's what remains of piston #6 (left and middle) which exploded like a grenade. Far right is the piece of the block that was blown off.





Below is a better shot of the hole that was blown through the block





The head of piston #6 sheared off the top of the spark plug



Good shot of what 67k miles worth of carbon build-up looks like



Pic of the new engine below that was taken the day before it was installed




Upgrades / Future Plans:
- I now have a 2010 engine with 27k miles
- Carbon build-up was cleaned out completely (you can get to way more with the engine removed than you can otherwise)
- new water pump and thermostat installed
- new Vanos solenoids
- new spark plugs
- and a bunch of other new stuff (i.e. - crankshaft seal, oil pan gasket, exhaust gaskets, valve cover gaskets, etc...)
- The new Spec Stage 2+ clutch is great and has a very OEM feel with a very subtle, slightly stiffer engagement.
- Front and rear M3 control arms (link). Still waiting for these to arrive.
- Still waiting for my Qauife LSD to arrive. Plan on having LTMW install next weekend.
- Purchased PowerFlex Urethane Diff Bushings to go on the same time as the LSD:
Rear Diff Front Mounting Bushing PFR5-425 (qty 2)
Rear Diff Rear Mounting Bushing PFR5-426 (qty 1)
- Planning on having LTMW install some side splitters and maybe a custom front splitter for a little more downforce
- swapped out the JB4 for Cobb St2+ FMIC tune (really like it so far)
- installed BMS DP Fix

Oh, I have a BMS WW Meth Kit w/ FSB if anybody wants it for free.
I wouldn't feel right selling it since it's what caused all of this.

Summary:
I'm not bitter as I understood this was a possibility when I started modifying my car years ago and I plan to continue modifying my cars in the future. That said, I'll certainly be far more wary of engine mods. Thankfully, I really love this car and plan to continue enjoying it for at least a few more years now that I've made such a big investment in it; that was one expensive track day.
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      04-06-2013, 07:59 PM   #117
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Quote:
Originally Posted by johnnyboi418 View Post
omg..
I know, right? Lucky me.
Quote:
Originally Posted by blisstik View Post
What can cause meth to continually spray? It's gotta be one of the components of the meth system or am I missing something?
I have no idea, but I would assume it was either the FSB, JB4, or some kind of electrical issue with the wiring. Trust me when I say that I stared at the FSB and everything for a while trying to find the root cause, but no such luck.

Because I couldn't locate the root cause, I decided to switch to a different tune and no more meth.
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      04-06-2013, 08:01 PM   #118
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Free plug for SouthBay Autohaus as they were great. Here's a picture of the owner and chief mechanic's E46 M3 track car.

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      04-06-2013, 08:02 PM   #119
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Awesome update, thanks for sharing. Glad this story had a happy ending
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      04-06-2013, 08:18 PM   #120
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Quote:
Originally Posted by SneakyDeeky View Post
I'm not bitter as I understood this was a possibility when I started modifying my car years ago and I plan to continue modifying my cars in the future. That said, I'll certainly be far more wary of engine mods. Thankfully, I really love this car and plan to continue enjoying it for at least a few more years now that I've made such a big investment in it; that was one expensive track day.
Glad you're still enjoying the car. Wish you had gone with wavetrac though for your LSD. Either way having one will really transform the way the car drives.
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      05-09-2013, 11:08 AM   #121
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Quote:
Originally Posted by shiv@vishnu View Post
Meth on track days is invaluable. It's just important to make sure that it is controlled and configured properly. It should also be integrated with the tune with more than a basic failsafe.

Sorry for your bad experience. Sometimes running street cars on tracks can be a learning process.

Shiv

PS. Hydrolock is pretty unlikely. More likely a cracked piston or a spun bearing. But you won't know for sure until the head is lifted.

I'm with you. The pump's not capable of delivering enough to lock one cyl, and engines have been run with liquid pouring out of the exhaust valve. OP -- Was the nozzle in good shape?

Overpressurization and a defect might do it....seize a piston or equiv at high RPM and....bang?

That said I haven't read much beyond this - very interesting!

OP -- What's become of the damaged motor?
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      05-09-2013, 11:14 AM   #122
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Quote:
Originally Posted by SneakyDeeky View Post
Oh, I have a BMS WW Meth Kit w/ FSB if anybody wants it for free.
I wouldn't feel right selling it since it's what caused all of this.


Seriously? Love to have it - like to trouble-shoot. May be in your area next week.
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      05-09-2013, 12:48 PM   #123
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This thread just reinforces why I am gald I have the regular N52, no meth, and don't track my car. :-)
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      05-09-2013, 12:54 PM   #124
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Quote:
Originally Posted by Snyperx View Post
This thread just reinforces why I am gald I have the regular N52, no meth, and don't track my car. :-)
naaah, you're just missing out dude. Shit happens to any car. I drove my first N54 60k miles, tuned, beat the hell out of it. car never complained. Now I bought another N54
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      05-09-2013, 12:54 PM   #125
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Quote:
Originally Posted by Snyperx View Post
This thread just reinforces why I am gald I have the regular N52, no meth, and don't track my car. :-)

Your post reinforces why I'm glad I don't have the N52, otherwise I would die of boredom.
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      05-09-2013, 12:58 PM   #126
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Also, for the record I definitely don't have a lot of expendable cash so the N52 is the better route for me anyway.
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      05-09-2013, 12:59 PM   #127
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Quote:
Originally Posted by Rotorocious View Post
Your post reinforces why I'm glad I don't have the N52, otherwise I would die of boredom.
lol, N52 is a good engine compared to a lot of cars on the road today.

I gave a friend of mine a ride in my new car and he drives an E90 325i. his facial expression after a quick run in 1st and 2nd was
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      05-09-2013, 01:02 PM   #128
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I've ridden in a tuned 335i (Cobb, upgraded intercooler, yadda...yadda). It was awesome. The guy also stores it in Winter. My car is a DD and my only vehicle.
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      05-09-2013, 01:15 PM   #129
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Quote:
Originally Posted by Snyperx View Post
I've ridden in a tuned 335i (Cobb, upgraded intercooler, yadda...yadda). It was awesome. The guy also stores it in Winter. My car is a DD and my only vehicle.
he doesn't really have to. I mean the 335i (the old one and now the new one) is my DD.

but I totally understand that when you tune you have to allocate some cash for emergencies.
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      05-09-2013, 06:22 PM   #130
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Quote:
Originally Posted by Snyperx View Post
I've ridden in a tuned 335i (Cobb, upgraded intercooler, yadda...yadda). It was awesome. The guy also stores it in Winter. My car is a DD and my only vehicle.
This is the route I went after the failure and it's still my daily driver. There's just something badass about taking your daily driver to the track (at least if it doesn't blow up).
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      05-09-2013, 06:28 PM   #131
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Quote:
Originally Posted by CALWATERBOY View Post
I'm with you. The pump's not capable of delivering enough to lock one cyl, and engines have been run with liquid pouring out of the exhaust valve. OP -- Was the nozzle in good shape?

Overpressurization and a defect might do it....seize a piston or equiv at high RPM and....bang?

That said I haven't read much beyond this - very interesting!

OP -- What's become of the damaged motor?
I agree with you that it's unlikely and I was skeptical too, but my mechanic who used to be the chief mechanic at SouthBay BMW in Torrance, is an experienced racer with a dedicated track-only E46 M3 and he's the one who tore the engine apart and swears it was hydrolocked.

The damaged engine was sold to the company that supplied the replacement engine. The only thing I kept were the extra turbos just in case I need some cores for a future RB Turbo upgrade.

Quote:
Originally Posted by CALWATERBOY View Post
Seriously? Love to have it - like to trouble-shoot. May be in your area next week.
It's all yours if you want it. I have it boxed up in my garage. PM me to setup a date and time.
I probably spent about 10 hours trying to identify root cause, but gave up after I couldn't find anything obvious with the meth kit. It seemed to be functioning fine, but I wasn't about to drive around with it installed. I limited my testing to my garage only, although I did control it through the JB4 to prime the line and it worked. :shrug:
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      05-09-2013, 06:38 PM   #132
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I am really sorry about your loss. Has BMS compensated you for the loss of your engine? I am so glad that I didn't go with that flimsy meth kit!! Couple of my friends always have issues with the BMS meth kit. I haven't had a single issue with my Aquamist HFS-4 and I am now really glad I paid for quality.
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