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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > N52 TCU flash?



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      04-04-2013, 12:18 AM   #1
uweric5985
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N52 TCU flash?

Do we have any transmission software flash like the Alpina B3 TCU flash on N54 and N55?

or anyone have tried the Alpina B3 flash or other similar TCU flash on N52 engine?
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      04-04-2013, 12:26 AM   #2
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I think the alpina flash is for the zf transmission and we have the gm in automatics. So probably not many available
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      04-04-2013, 12:08 PM   #3
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Quote:
Originally Posted by uweric5985 View Post
Do we have any transmission software flash like the Alpina B3 TCU flash on N54 and N55?

or anyone have tried the Alpina B3 flash or other similar TCU flash on N52 engine?
I think the guys that tested the alpina flash for the n54 are trying to do the same for n52
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      04-04-2013, 12:33 PM   #4
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Quote:
Originally Posted by BRGmatthew View Post
I think the guys that tested the alpina flash for the n54 are trying to do the same for n52
they could use the same or similar software I suppose
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      05-14-2013, 08:28 AM   #5
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bump, interested, any news?
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      05-14-2013, 08:45 AM   #6
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ok, new question. Has anyone tried to retrofit a 335 AT into a 325/328? That should solve the alpina flash issue.
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      05-14-2013, 08:46 AM   #7
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Some 328's have ZF trannies in them.
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      05-14-2013, 09:57 AM   #8
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also interested in this, I can actually see the impact it has on races when the transmission shifts lol, needs to be faster than this lol
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      05-14-2013, 11:02 AM   #9
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If you are talking about doing a tranny swap just to get the flash, thats an awful lot of trouble. with the money spent i dont think it would be worth it.

On a seperate note, how can you check what kind of tranny you have is some came with the zf tranny?
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      05-14-2013, 12:17 PM   #10
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Quote:
Originally Posted by BoogeyMan'sBMW View Post
If you are talking about doing a tranny swap just to get the flash, thats an awful lot of trouble. with the money spent i dont think it would be worth it.

On a seperate note, how can you check what kind of tranny you have is some came with the zf tranny?
go to realoem and type in you vin and see what options there were for trannys, search tranny number from there to see if it is zf or gm
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      05-14-2013, 02:07 PM   #11
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Quote:
Originally Posted by benzo23 View Post
go to realoem and type in you vin and see what options there were for trannys, search tranny number from there to see if it is zf or gm
Ah, after i posted i got a little curious and found out 330's come with the zf.

Following your steps confirmed that as well. However, for the flash I believe there are additional criteria in addition to being a zf tranny
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      05-14-2013, 06:30 PM   #12
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You can also check with INPA what kind f tranny you have. I believe that the GM comes with a Siemens TCU.
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      05-14-2013, 09:22 PM   #13
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For anyone interested (with a cable would be nice) I would like to run an experiment with a few 328/325s to see if the flash takes. If you have the wrong hardware it just won't work. It doesn't "brick" your trans I've seen it. Can't try this in my own car, I have 6mt.
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      05-14-2013, 09:28 PM   #14
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The best way to do this is go into INPA, open up e90 then go to Special functions and select UIF. Copy the number that comes up next to your trans ecu then open up winkfp and type this number into the enter zusb field and see what ecu comes up. If you have GKE215, the flash MAY work but it is not guaranteed.
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      05-14-2013, 09:44 PM   #15
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Quote:
Originally Posted by nate5ks View Post
For anyone interested (with a cable would be nice) I would like to run an experiment with a few 328/325s to see if the flash takes. If you have the wrong hardware it just won't work. It doesn't "brick" your trans I've seen it. Can't try this in my own car, I have 6mt.
Damn, I'd be willing, too bad you're in J-Ville.
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      05-14-2013, 09:46 PM   #16
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it wont work

Not all ZF trans' are created equally.
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      05-14-2013, 09:59 PM   #17
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Quote:
Originally Posted by DUI Elite
it wont work

Not all ZF trans' are created equally.
I was thinking they put different trannys in the 335 to accommodate the extra torque. I couldn't tell you part numbers or anything though. Although many trannys use GKE215 the hardware is the determining factor here. If the necessary hardware is not present the trans won't flash.
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      05-14-2013, 10:06 PM   #18
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Read the second to last post on this page here:

http://www.e90post.com/forums/showthread.php?t=453224

Can anybody verify that all these cars have the same trans?
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      05-14-2013, 10:25 PM   #19
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Quote:
Originally Posted by nate5ks View Post
Read the second to last post on this page here:

http://www.e90post.com/forums/showthread.php?t=453224

Can anybody verify that all these cars have the same trans?

Research further my friend..

E90 325i (w/ N52) has GA6HP19Z
- w/ part# 24007547901
- with torque converter part # 24407588738

E90 330i (w/ N52) has GA6HP19Z
- w/ part # 24007547899
- with torque converter part # 24407588739

E90 328 (w/ N51) has GA6L45R (GM Trans)

E90 328 (w/ N52N) has GA6L45R (GM Trans)

E90 335i (w/ N54) has GA6HP19Z
- w/ part# 24007572071
- with torque converter part # 24407584406

notice, different trans', different mechanical components.

via: http://bmwfans.info/parts/catalog/E90/Sedan/USA/
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Last edited by DUI Elite; 05-14-2013 at 10:38 PM.
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      05-14-2013, 10:33 PM   #20
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Like I said, I have a 6MT so I'm not going to spend all day researching AT part numbers. I was just saying this looked like an interesting project and was willing to lend a hand on the software side.
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      05-14-2013, 10:35 PM   #21
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Quote:
Originally Posted by nate5ks View Post
Like I said, I have a 6MT so I'm not going to spend all day researching AT part numbers. I was just saying this looked like an interesting project and was willing to lend a hand on the software side.
Lol did I offend or something?

Like I said, it won't work because they're not all the same even though they're GA6HP19Z. You asked for confirmation so I gave it.
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      05-14-2013, 10:36 PM   #22
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No man you're good. Just sayin.
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