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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 > 6AT Trans Upgrade options



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      01-25-2013, 02:08 AM   #23
enrita
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Quote:
Originally Posted by SIKH335 View Post
And the TCU??
nobody can flash the TCU as of now besides probably ALPINA or ZF engineers . Lots of people would have already done it if it was possible. I know only 1 person that flashed the TCU and it was done by Alpina in Germany for a ridiculous amount of money and only because he had contacts.
So forget about TCU or fitting another type of transmission. Rebuild what you have is the only option.
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      01-25-2013, 02:45 AM   #24
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Quote:
Originally Posted by enrita
Quote:
Originally Posted by SIKH335 View Post
And the TCU??
nobody can flash the TCU as of now besides probably ALPINA or ZF engineers . Lots of people would have already done it if it was possible. I know only 1 person that flashed the TCU and it was done by Alpina in Germany for a ridiculous amount of money and only because he had contacts.
So forget about TCU or fitting another type of transmission. Rebuild what you have is the only option.
Thanks for the info. It was more of a rhetorical question.
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      01-25-2013, 03:09 AM   #25
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I asked ZF if they had some advice for us tuned 335i owners. This is what they said.

"Many Thanks for your enquiry.

Please be advised that we are unable to give advice regarding a car that is “non standard”. We cannot comment on recommendations for any particular transmission “upgrade” to match your re-tuned, uprated engine.

We only know the transmission part numbers for the standard applications – ZF do not have a department for non standard applications.

I am sorry I am not able to be of more help regarding your enquiry."
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      01-25-2013, 05:57 AM   #26
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We may have a winner....


Eric,
No apologies needed for wanting to make sure your getting a good product.
Money does not grow on trees (unfortunately) When I said for years I was
talking about the 6hp19 units w3e have built for the b7 audi's. We have
built a few not monstrous powered bmw 's (420-480 hp) which yes i know is
not great but audi's have had more input on this unit than bmw (to me that
is)
The clutch material is 325 % the co-efficiency. The amount of clutches are
going to increase. Beefier snap rings, the pump gets the treatment to
bigger valves and stronger springs.
The valve body tuning is set to one way. Its increased pressures serve all
clutches to a certain pressure ase its needed (increse and decreased
through throttle positioning) so its really set one way but, it is
comfortable for daily driving and lots of enthused driving. I have a 900 hp
lightning that i drive in the spring and summer and believe me i know about
driving a tamed monster like yours.
The torque converter is an upgrade that is also set one way. The
transmission tcm and the way these things drive is super sensitive. So with
that in mind we upgrade the converter stator (more torque multipication
meaning more power) better use of your power band with out sacrificing
driveability. With power out put like yours a 500 rpm stall speed is added.
The clutch internally is upgraded, the bearings are upgraded...
Transmission is $4400
torque converter is $700
comes with a 6 months unlimited mileage warranty
Thank You
Sam
517 TRANS
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      01-25-2013, 02:42 PM   #27
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I asked earlier but didnt get any answers , is it possible to upgrade transmission to DCT if I have a 2007 335i Coupe AT? The DCT transmission I get fairly new for 2850$ and upgrade rated to 700whp cost 3400$ , found upgrade for DCT from CTG Customizer in the UK. World wide free shipping also.
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      01-25-2013, 02:52 PM   #28
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Originally Posted by tinnsoldaten View Post
I asked earlier but didnt get any answers , is it possible to upgrade transmission to DCT if I have a 2007 335i Coupe AT? The DCT transmission I get fairly new for 2850$ and upgrade rated to 700whp cost 3400$ , found upgrade for DCT from CTG Customizer in the UK. World wide free shipping also.
Isn't torque a huge problem for the DCT though? I thought someone was having issues even around 450 ft/lbs.
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      01-25-2013, 02:59 PM   #29
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Quote:
Originally Posted by skinrock View Post
Isn't torque a huge problem for the DCT though? I thought someone was having issues even around 450 ft/lbs.

Lets ask him ....

ctg-customizer@techie.com
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      01-26-2013, 09:07 AM   #30
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Interested in the DTC option as well if the #'s make sense
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      01-26-2013, 01:31 PM   #31
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Quote:
Originally Posted by HPF 335i #1
We may have a winner....


Eric,
No apologies needed for wanting to make sure your getting a good product.
Money does not grow on trees (unfortunately) When I said for years I was
talking about the 6hp19 units w3e have built for the b7 audi's. We have
built a few not monstrous powered bmw 's (420-480 hp) which yes i know is
not great but audi's have had more input on this unit than bmw (to me that
is)
The clutch material is 325 % the co-efficiency. The amount of clutches are
going to increase. Beefier snap rings, the pump gets the treatment to
bigger valves and stronger springs.
The valve body tuning is set to one way. Its increased pressures serve all
clutches to a certain pressure ase its needed (increse and decreased
through throttle positioning) so its really set one way but, it is
comfortable for daily driving and lots of enthused driving. I have a 900 hp
lightning that i drive in the spring and summer and believe me i know about
driving a tamed monster like yours.
The torque converter is an upgrade that is also set one way. The
transmission tcm and the way these things drive is super sensitive. So with
that in mind we upgrade the converter stator (more torque multipication
meaning more power) better use of your power band with out sacrificing
driveability. With power out put like yours a 500 rpm stall speed is added.
The clutch internally is upgraded, the bearings are upgraded...
Transmission is $4400
torque converter is $700
comes with a 6 months unlimited mileage warranty
Thank You
Sam
517 TRANS
That's the answers that I was hoping to hear. I'm gonna go for 517trans. I wonder if I should just ship the car there for some testing and get the complete deal done and worked out.
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      01-26-2013, 02:33 PM   #32
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Quote:
Originally Posted by SIKH335 View Post
That's the answers that I was hoping to hear. I'm gonna go for 517trans. I wonder if I should just ship the car there for some testing and get the complete deal done and worked out.
Just do it, at least you can than take full advantage of the single turbo... Hopefully....
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      01-26-2013, 02:41 PM   #33
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No west coast trans shops
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      01-26-2013, 02:43 PM   #34
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Quote:
Originally Posted by enrita
Quote:
Originally Posted by SIKH335 View Post
That's the answers that I was hoping to hear. I'm gonna go for 517trans. I wonder if I should just ship the car there for some testing and get the complete deal done and worked out.
Just do it, at least you can than take full advantage of the single turbo... Hopefully....
That's the exact reason I want to do it. I really want to show what the motor and kit can do. As well as have more fun with it. I just hope this is the last item.
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      01-26-2013, 02:44 PM   #35
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Quote:
Originally Posted by Stangorang
No west coast trans shops
Nothing on the West coast. I figure shipping the Trans is 300 each way. Shipping the car would be 500 each way but at least they will get to test it and insure we are all set up.
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      01-26-2013, 02:48 PM   #36
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Quote:
Originally Posted by HPF 335i #1 View Post
We may have a winner....


Eric,
No apologies needed for wanting to make sure your getting a good product.
Money does not grow on trees (unfortunately) When I said for years I was
talking about the 6hp19 units w3e have built for the b7 audi's. We have
built a few not monstrous powered bmw 's (420-480 hp) which yes i know is
not great but audi's have had more input on this unit than bmw (to me that
is)
The clutch material is 325 % the co-efficiency. The amount of clutches are
going to increase. Beefier snap rings, the pump gets the treatment to
bigger valves and stronger springs.
The valve body tuning is set to one way. Its increased pressures serve all
clutches to a certain pressure ase its needed (increse and decreased
through throttle positioning) so its really set one way but, it is
comfortable for daily driving and lots of enthused driving. I have a 900 hp
lightning that i drive in the spring and summer and believe me i know about
driving a tamed monster like yours.
The torque converter is an upgrade that is also set one way. The
transmission tcm and the way these things drive is super sensitive. So with
that in mind we upgrade the converter stator (more torque multipication
meaning more power) better use of your power band with out sacrificing
driveability. With power out put like yours a 500 rpm stall speed is added.
The clutch internally is upgraded, the bearings are upgraded...
Transmission is $4400
torque converter is $700
comes with a 6 months unlimited mileage warranty
Thank You
Sam
517 TRANS
I wanna do this :| so bad, 6 months... damn gaurantee.. i will test the shit out of it and tell yall if its good..
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      01-26-2013, 03:05 PM   #37
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i was forced to upgrade as well and i just did it. i went level 10 which everybody is putting down but so far no issues... i have unlimited miles warranty with it.
thing that i had to send my trans to the us as well. i have checked ALL possible solutions in europe and at the end there was none....
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      01-26-2013, 04:31 PM   #38
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Thats the feeling I get with owning this car , standing there with my hat in my hand looking like a big question mark. Are we driving around in alien spaceships ? Where are all the tech guys that should be able to provide some answers ?
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      01-26-2013, 04:43 PM   #39
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Quote:
Originally Posted by tinnsoldaten View Post
Thats the feeling I get with owning this car , standing there with my hat in my hand looking like a big question mark. Are we driving around in alien spaceships ? Where are all the tech guys that should be able to provide some answers ?
Just get to sweden this spring so we can race each other :-)
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      01-26-2013, 04:58 PM   #40
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Quote:
Originally Posted by enrita View Post
Just get to sweden this spring so we can race each other :-)
Holiday at Nurnburg ring ....
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      01-26-2013, 05:01 PM   #41
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The ultimate test of any of these trans upgrades will be 600whp plus that the ST' are putting out. I really need to get this done. For the good of all the 6AT guys (RB, VFF ST, Vargas?)
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      01-26-2013, 05:30 PM   #42
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Lol 600whp? You are welcome to show the power but i a am on second engine so....
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      01-26-2013, 05:39 PM   #43
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Quote:
Originally Posted by enrita
Lol 600whp? You are welcome to show the power but i a am on second engine so....
What happened to the original motor. 2nd engine 2nd Trans seems you like to tear things up
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      01-26-2013, 05:40 PM   #44
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Lol 600whp? You are welcome to show the power but i a am on second engine so....
:| no way. What happened to the first one?
Ive had every damn issue with my car the only thing thats holding up is the engine...... and if that goes out I'm done i would have sucefully replaced everything in my car and would have the right to reset milage lol
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