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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 > How many known cases of blown MT gearboxes is there?



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      10-11-2011, 12:05 PM   #67
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Yay! I was right lol
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      10-11-2011, 12:10 PM   #68
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Yay! I was right lol
It's cool, you can paypal me the money.
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      10-11-2011, 02:31 PM   #69
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Are you 100% sure the flywheel is caputto? The noise disappeared after a while and the flywheel would not repair itself.

When I replaced my clutch I also noticed the large lash when rotating the flywheel back and forth, but the radial play was not noticeable.
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      10-11-2011, 03:42 PM   #70
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Hey Tom did you look into the price of 1m flywheel?
Should be 2 kg lighter and according to BMW the lightest possible without chatter?
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      10-11-2011, 03:44 PM   #71
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Hey Tom did you look into the price of 1m flywheel?
Should be 2 kg lighter and according to BMW the lightest possible without chatter?
Do you have any info/links for this ?
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      10-11-2011, 04:06 PM   #72
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No it was just stated In the tech Info when the 1M was released. Try a search on the 1M sektion it was on the frontpage of bimmerpost.com way back read it there.
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      10-11-2011, 04:43 PM   #73
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Quote:
Originally Posted by R1000K3 View Post
Are you 100% sure the flywheel is caputto? The noise disappeared after a while and the flywheel would not repair itself.

When I replaced my clutch I also noticed the large lash when rotating the flywheel back and forth, but the radial play was not noticeable.
According to my tech it's the radial play that's the most critical error in this specific case.
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      10-11-2011, 04:46 PM   #74
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Hey Tom did you look into the price of 1m flywheel?
Should be 2 kg lighter and according to BMW the lightest possible without chatter?
Good thought, I'll definitely check that!
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      10-11-2011, 11:14 PM   #75
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if you want to see actual tranny failure on a BMW, here is from last Friday at MIR.............this is carnage.


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Originally Posted by djborya View Post
I am ok and the blanket did it's job! thanks for asking.

CARNAGE:

The first glance:


Broken transmission mounting bolt ears on the engine block :mad :






Transmission is out:



What is left of the $2000 Clutch is out:









Removable bell housing mod:





Flywheel clutch basket mounting bolts broken clean in flywheel


and an iphone video showing the carnage. Glad Boris was ok and is smart enough to have a trans blanket to keep the energy and damage to the transmission. This could have easily caused him serious harm otherwise. Said it almost broke his hand when the transmission tried to twist when it released from the engine.



------------------------

he already has the engine pulled to set up a Powerglide on it. He doesnt waste any time!!!


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Well the motor is out! Now the fun begins!









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      10-12-2011, 10:01 AM   #76
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OK, my shop just ordered a 1M flywheel, and according to the tech it will fit perfectly!
The price is also the same.

It weights 2.1 kg less.
This will be very interesting!
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      10-12-2011, 10:05 AM   #77
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Originally Posted by Big Tom View Post
OK, my shop just ordered a 1M flywheel, and according to the tech it will fit perfectly!
The price is also the same.

It weights 2.1 kg less.
This will be very interesting!
Wow, if this fits I am getting one. Thank you for being so bold !
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      10-12-2011, 10:07 AM   #78
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Quote:
Originally Posted by Big Tom View Post
OK, my shop just ordered a 1M flywheel, and according to the tech it will fit perfectly!
The price is also the same.

It weights 2.1 kg less.
This will be very interesting!
its gonna run very well! glad is not the MT gear box .
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      10-12-2011, 10:07 AM   #79
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Price on the 1m fly? Bc an oem dmfw is very expensive.


Quote:
Originally Posted by Big Tom View Post
OK, my shop just ordered a 1M flywheel, and according to the tech it will fit perfectly!
The price is also the same.

It weights 2.1 kg less.
This will be very interesting!
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      10-12-2011, 11:03 AM   #80
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Price on the 1m fly? Bc an oem dmfw is very expensive.
9600 sek.
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      10-12-2011, 11:15 AM   #81
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Quote:
Originally Posted by tscdennab View Post
Wow, if this fits I am getting one. Thank you for being so bold !
I'll let you know after the install.


Quote:
Originally Posted by enrita View Post
its gonna run very well! glad is not the MT gear box .
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      10-12-2011, 11:38 AM   #82
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Great news on the 1m DMF finally something worth taking off that car when/if required
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      10-12-2011, 12:59 PM   #83
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Originally Posted by tscdennab View Post
Wow, if this fits I am getting one. Thank you for being so bold !
+ 1 very interesting info.

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      10-12-2011, 01:08 PM   #84
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Quote:
Originally Posted by Big Tom View Post
OK, my shop just ordered a 1M flywheel, and according to the tech it will fit perfectly!
The price is also the same.

It weights 2.1 kg less.
This will be very interesting!
Awesome!
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      10-12-2011, 04:25 PM   #85
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Very cool!
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      10-12-2011, 06:28 PM   #86
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Originally Posted by 335iLI View Post
Price on the 1m fly? Bc an oem dmfw is very expensive.
I know multiple persons (including me) that had the next clutch fail too shortly after the original clutch (ok, slicks and all of that, but still). I think it has to do with the flywheel surface not being in top shape after some abuse even with the stock clutch. I decided to upgrade both the flywheel and clutch the next time, I don't want another clutch lasting 5000km.
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      10-18-2011, 11:54 AM   #87
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UPDATE.

The 1M flywheel does NOT fit on a 335i.


The 1M flywheel is bolted with 6 bolts and the 335i flywheel is bolted with 8 bolts...
There was also some difference between the bearings.

...so a brand new 335i flywheel is on it's way to my shop as we speak.

Here's my old flywheel, take a look at the huge radial play:

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      10-18-2011, 12:27 PM   #88
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Quote:
Originally Posted by Big Tom View Post
OK, my shop just ordered a 1M flywheel, and according to the tech it will fit perfectly!
The price is also the same.

It weights 2.1 kg less.
This will be very interesting!
Sorry to hear about the mismatch. The tech may need to refurbish his math or language skills
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