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Is the A6 2.7T ECU identical to the S4's for the appropriate MY?

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Old 11-30-2005, 07:26 PM
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Is the A6 2.7T ECU identical to the S4's for the appropriate MY?
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Old 11-30-2005, 07:27 PM
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Default what's the part number?
I know when I bought my MTM+ECU, it was from a A6.
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Old 11-30-2005, 07:54 PM
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8D0 907 551 A
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Old 11-30-2005, 07:59 PM
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A6 ecus start with 4b0 iirc that# is for 00 S4
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Old 11-30-2005, 08:07 PM
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2nd. Is '00 S4 A box PN.
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Old 11-30-2005, 08:08 PM
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Default That will work for an A6 or an S4. I have the same ECU that I bought used....
and it was from a A6 that the guy had MTM put a chip on it.
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Old 11-30-2005, 08:09 PM
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there are A6 ECU's with that same part number.
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Old 11-30-2005, 08:20 PM
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If it is, is S4 ECU in A6. A6 chassis number is 4B0 IIRC.
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Old 11-30-2005, 08:22 PM
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Eerie, really eerie.
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Old 11-30-2005, 08:50 PM
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Default The S4 ECU may work on these but the A6 cars all came with 4B0s from the factory.
The 8D0 is the B5 body type. I think the allroad has another denominator, not totally sure on that one. The A6s are 4B0 ecus native though.
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