Motronic ECU Hardware

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skele4door

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	Motronic ECU Hardware « on: December 13, 2009, 08:31:40 PM »

Has anyone looked into what the hardware compatibility is between differnt revisions of ME7 ECUs? The reason I ask is I wanted to pick up a spare ECU to use as a backup when I start tuning and S4 ECUs aren't the most common thing around here. I know that you can change the OS on different year B5 S4 ECUs, but I was curious if the same can be done for A4 or other Audi ECUs since they are a lot more common and easily found. If anyone has any input it'd be great.


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Tony@NefMoto

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2001.5 Audi S4 Stage 3

	Re: Motronic ECU Hardware « Reply #1 on: December 18, 2009, 03:21:08 PM »

I believe all of the ECUs from the 2.7T engine are interchangeable.

I have used A6 ecus in my S4 without problem.

I know the B5 A4 1.8T has a different ECU than the B5 S4.


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robin

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	Re: Motronic ECU Hardware « Reply #2 on: December 18, 2009, 04:17:22 PM »

Yes, they are interchangeable. I run both A6 and S4 ECUs, all flashed with M box software in my A6.


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skele4door

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	Re: Motronic ECU Hardware « Reply #3 on: December 19, 2009, 11:11:42 AM »

Thanks guys. That's exactly what I needed to know.


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s-company

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	Re: Motronic ECU Hardware « Reply #4 on: November 04, 2010, 03:33:05 AM »

Hello!
is it also possible on ME7.5 1,8T ECU's?


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setzi62

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	Re: Motronic ECU Hardware « Reply #5 on: November 04, 2010, 08:18:43 AM »

There are hardware compatible ME7.5's which you can interchange if they are flashed
with a correct image.
But definitely there exist different hardware versions of ME7.5 which can be used only in
specific cars - most obviously for cars with different engine hardware features like
VVT, EPC, EGT-Sensor.
The part numbers in ETKA probably give hint which ECU-hardware models are matching.


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