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Author Topic: S4 B5 upgrade ecu from 512kb to 1024kb help  (Read 240 times)
eazydaz
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« on: August 15, 2019, 10:09:47 AM »

pls what is sympliest and cheapest solution to upgrade ecu on s4 b5 on newest 1024kb version, for example upgrade on 551M for which exist fully defined damos? stock is 551C..
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nyet
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« Reply #1 on: August 15, 2019, 10:25:36 AM »

swap to a 1m ECU should work.
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eazydaz
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« Reply #2 on: August 15, 2019, 10:53:41 AM »

so buy 551m ecu, immo off or eep swap and must work? pinouts are the same?
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nyet
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« Reply #3 on: August 15, 2019, 11:37:54 AM »

most 1M well known ECUs don't have immo... if you pick one that does, yes, you need to immo disable

it SHOULD be pin compatible.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
eazydaz
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« Reply #4 on: August 15, 2019, 02:06:38 PM »

thank you
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Blazius
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« Reply #5 on: August 15, 2019, 04:48:28 PM »

NA cars(ecu's) didnt come with immo only after 2001 or such, but why the upgrade? wideband? you can get away with an UEGO cheaper than buying ecu, redoing wiring and etc. - I think.
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nyet
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« Reply #6 on: August 15, 2019, 04:49:31 PM »

NA cars(ecu's) didnt come with immo only after 2001 or such, but why the upgrade? wideband? you can get away with an UEGO cheaper than buying ecu, redoing wiring and etc. - I think.

Because all of the known existing interesting things are for 1M ECUs.

And no me7.1 is wideband.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
Blazius
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« Reply #7 on: August 15, 2019, 04:52:32 PM »

Because all of the known existing interesting things are for 1M ECUs.

And no me7.1 is wideband.

Fair enough.
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eazydaz
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« Reply #8 on: August 16, 2019, 03:22:03 AM »

but its strange, car is 2001 and has 551c  Huh
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Marty
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« Reply #9 on: August 16, 2019, 05:12:49 AM »

Because all of the known existing interesting things are for 1M ECUs.

And no me7.1 is wideband.
My me7.1 12v vr6 with a 512 file is wideband lambda... uses lsu4.2 Bosch sensor
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nyet
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« Reply #10 on: August 16, 2019, 10:19:07 AM »

My me7.1 12v vr6 with a 512 file is wideband lambda... uses lsu4.2 Bosch sensor

heh. sorry meant ME7.1 2.7t
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
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