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      03-25-2015, 12:17 AM   #1
MPowerZ32
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Bosch Motorsport and Turner Motorsport ECU

It's for the E46 M3. I'm assuming it could work for Z4M? Does this mean the dark age of non-tunable turbo Z4M is coming to an end?

http://www.bmwblog.com/2015/03/25/bo...or-the-e46-m3/
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      03-25-2015, 12:22 PM   #2
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Could be!

To retain DSC ABS and etc. I'd think the same modules would need to be in use across platforms. I don't have time now, but a real OEM search of part numbers, for DSC, etc. might yield some clues. Or maybe just a call to Turner!
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      03-25-2015, 12:55 PM   #3
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$5k?

Jeeze Louize.
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      03-25-2015, 05:32 PM   #4
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Quote:
Originally Posted by NickyC
$5k?

Jeeze Louize.
We can hope it comes down over time!
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      03-25-2015, 07:48 PM   #5
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Quote:
Originally Posted by MPowerZ32 View Post
It's for the E46 M3. I'm assuming it could work for Z4M? Does this mean the dark age of non-tunable turbo Z4M is coming to an end?

http://www.bmwblog.com/2015/03/25/bo...or-the-e46-m3/
Email them and ask :]
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      03-25-2015, 10:55 PM   #6
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I spoke to them about this last year, They told me that is should work. There may be a difference in the wiring harness though.

The real issue though is what potential gains / advantage there would be in a stand-alone configuration.

From what I know, with the Bosch unit, they have several canned tunes for different configurations. They are not able or possibly willing to do a custom dyno tune with this unit (a lot of politics going on in this shop), and I am not sure how user friendly the unit would be to tune by a 3rd party (i.e. Frank Smith or Randy Mueller etc...)

IMHO, If I were looking for a stand-alone option, I would consider AEM

http://www.motoiq.com/MagazineArticl...-Play-EMS.aspx
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      03-26-2015, 08:55 AM   #7
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Quote:
To get reliable power means removing interference from emissions equipment or OBD oversight and eliminate the possibility of a race-ending limp mode or fault code.
Unless actually building a full race car why would you want to eliminate the limp mode or fault code?

Seems like a system developed for their race program that might be useful for the next guy building a race program.
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      03-26-2015, 01:47 PM   #8
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Don't the Z4M's have a different ECU and ABS control unit than the E46 M3's. I know for certain that the ABS unit is newer/better.
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      03-26-2015, 02:21 PM   #9
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The Z4M has a different ECU , harness, ABS module etc . I have looked into this extensively . If you really need an ECU upgrade I'd do the AEM infinity and have a custom harness made . It's going to be a pain for the first guy to do it though .
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