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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 > Level 10 AT Transmission Upgrade



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      09-06-2011, 05:20 PM   #1
enrita
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Level 10 AT Transmission Upgrade

After over 2 years and many many upgrades my AT decided to start slipping so bad that even at 20 psi i could not keep up with a stage 3 stock turbo meth car .
Shifting got rough and very abrupt, car started to shake slightly at idle etc etc

The next step was to upgrade the Transmission but unfortunately i could not find any viable solutions in Europe in a short period of time. Aware of another forum member pushing 500 whp that went through my same issue and upgraded it with great results so far i decided to venture myself to the same direction.
I contacted Level 10 in NJ and shipped my transmission there. I got really good feedback and customer support so far

I will have my car back in shape in about 2 weeks

Here some pictures of the open transmission. The clutch packs are pretty burnt out and there are some deep marks on hub splines:
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      09-06-2011, 05:20 PM   #2
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My new HD lower stall torque converter and fully rebuilt ready to be shipped,

this is what has been done to it.

High energy clutches-The clutches are designed to work with our vb to handle the power
Front pump upgrade-The pump works with vb to maintain pressure and to keep transmission cool.
Valvebody upgrade-The vb is to send the signal to clutches to handle the power
Torque converter-The tc is used to tune for change in torque in engine. (lowstall) And special clutch for lockup
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07 335i AT - TD St.2 Turbos - COBB (Custom Cobb mapping by http://www.protuningfreaks.com/) - JB4G5 ISO - Okada Coils - NGK 5992 Plugs - E85 Walbro - Injen Intake - Helix IC - Snow Stg. 3 - Stett CP - AR DPs - midpipes 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - Level 10 AT upgrade - Alpina AT Flash

Last edited by enrita; 09-08-2011 at 09:32 AM.
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      09-06-2011, 05:21 PM   #3
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Very cool man. Let us know how it turns out when you get it back!
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      09-06-2011, 05:24 PM   #4
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Wow..that must have cost a pretty penny ..very nice.
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      09-06-2011, 05:31 PM   #5
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Quote:
Originally Posted by tibra1 View Post
Wow..that must have cost a pretty penny ..very nice.
well thank god the USD is soooooo low compaired to SEK right now
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      09-06-2011, 05:32 PM   #6
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      09-06-2011, 05:38 PM   #7
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Can you tell me at what power levels you noticed slippage?
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      09-06-2011, 05:40 PM   #8
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Level 10 does great work. I've used them in the past for transmissions for some of my projects and friends projects.
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      09-06-2011, 05:49 PM   #9
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Congrats man! I plan on doing this in the near future as well.
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      09-06-2011, 06:01 PM   #10
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nice
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      09-06-2011, 06:08 PM   #11
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Quote:
Originally Posted by tibra1 View Post
Wow..that must have cost a pretty penny ..very nice.
About 4k after your core.
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      09-06-2011, 06:18 PM   #12
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Very nice Enrita, looking forward to hearing about your results. I am in the process of researching a tranny build myself in preparation for a turbo upgrade in 2012.
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      09-06-2011, 08:20 PM   #13
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Will they be upgrading the valve body also or are u just upgrading the the tq converter and putting in beefer clutch paks?
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      09-06-2011, 08:58 PM   #14
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Nice Enrico! I really hope your badass car will as it should from now on So you might have the car raceready to the event at 24/9?
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      09-06-2011, 09:00 PM   #15
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Interesting...

I read a comment in a recently posted thread in a forum that we dare not speak of that Level10 upgrade kit is nothing more than the OEM rebuild kit + some shims....
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      09-06-2011, 10:43 PM   #16
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Quote:
Originally Posted by vasillalov View Post


Interesting...

I read a comment in a recently posted thread in a forum that we dare not speak of that Level10 upgrade kit is nothing more than the OEM rebuild kit + some shims....
Ya when i use to drive a g35 the level 10 tranny was not impressive at all. We probably wont know about failure until a few yrs down the road
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      09-06-2011, 10:58 PM   #17
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Who cares what they do if it WORKS!
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      09-06-2011, 11:11 PM   #18
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Shoot for $4K..it damn well better work
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      09-06-2011, 11:35 PM   #19
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Enrita, do me a favor, and please stop using the OEM tranny fluid. It's just not thick enough for the kind of heat you are producing.
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      09-06-2011, 11:56 PM   #20
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Still waiting for someone to try IPT Transmissions
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      09-07-2011, 12:28 AM   #21
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Quote:
Originally Posted by Turkeybaster115 View Post
Enrita, do me a favor, and please stop using the OEM tranny fluid. It's just not thick enough for the kind of heat you are producing.
yeah i bought Redline D6 ATF oil .
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      09-07-2011, 12:29 AM   #22
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Quote:
Originally Posted by Mr_PharmD View Post
Will they be upgrading the valve body also or are u just upgrading the the tq converter and putting in beefer clutch paks?
everything
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