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Will this ECU work as an extra for a tune?

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Old 03-18-2019, 04:00 PM
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Will this ECU work as an extra for a tune?

Hey guys so I am going to be getting an ecu flash tune pretty soon and I want to get a second ECU for them to tune. Will this one work?
https://www.ebay.com/itm/13-15-MERCE...ry!92596!US!-1
Old 03-18-2019, 04:01 PM
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Or how about this one since its cheaper? https://www.ebay.com/itm/10-16-Merce...sAAOSwUUdatDX-
Old 03-18-2019, 06:20 PM
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I might have missed it but, must tuners are now offering OBD flash tunes and there isnt much of a need for a secondary ECU anymore.
Old 03-18-2019, 06:27 PM
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I have seen this but I was looking to go with AMS since they seem to have some of the best numbers and reviews that I have seen plus I would have to probably find a local tuner to do an OBD tune and who knows how good they are.
Old 03-18-2019, 08:00 PM
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Originally Posted by Cardinal_E63S
I have seen this but I was looking to go with AMS since they seem to have some of the best numbers and reviews that I have seen plus I would have to probably find a local tuner to do an OBD tune and who knows how good they are.
The reason to get an OBD tune is so you DONT have to find a local tuner. It can be tuned, remotely, with the handheld device.
Old 03-18-2019, 08:23 PM
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
Cardinal the numbers have to match your ecu
do you have a pic for your current oem ecu sticker?
Old 03-18-2019, 08:25 PM
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
Originally Posted by Cardinal_E63S
Or how about this one since its cheaper? https://www.ebay.com/itm/10-16-Merce...sAAOSwUUdatDX-
this WONT work
Old 03-18-2019, 08:26 PM
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
Originally Posted by Cardinal_E63S
Hey guys so I am going to be getting an ecu flash tune pretty soon and I want to get a second ECU for them to tune. Will this one work?
https://www.ebay.com/itm/13-15-MERCE...ry!92596!US!-1
this could work --- see my replies below

Last edited by PeterUbers; 03-18-2019 at 08:30 PM.
Old 03-18-2019, 08:27 PM
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
Originally Posted by Cardinal_E63S
Hey guys so I am going to be getting an ecu flash tune pretty soon and I want to get a second ECU for them to tune. Will this one work?
https://www.ebay.com/itm/13-15-MERCE...ry!92596!US!-1
As long as the top # matches

The MED17.7.3- .3 being what we need to match up and 8zyl.

These ecu's are used in many, many applications.
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Old 03-18-2019, 09:39 PM
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Originally Posted by Cardinal_E63S
I have seen this but I was looking to go with AMS since they seem to have some of the best numbers and reviews that I have seen plus I would have to probably find a local tuner to do an OBD tune and who knows how good they are.
or we could send ya a handheld that allows you to tune from home, and flash stock whenever you want. (for a lot cheaper then AMS with same or better gains)
Old 03-18-2019, 10:09 PM
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Originally Posted by loungn14
or we could send ya a handheld that allows you to tune from home, and flash stock whenever you want. (for a lot cheaper then AMS with same or better gains)
TALK THAT TALK!!!

im going to give you guys a call, tomorrow, to discuss pricing/options with the handheld for my CLS. im officially off the fence....
Old 03-18-2019, 10:25 PM
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Originally Posted by 1MavRick
TALK THAT TALK!!!

im going to give you guys a call, tomorrow, to discuss pricing/options with the handheld for my CLS. im officially off the fence....
sounds great. Here if ya wanna pm as well.
Old 03-19-2019, 11:56 AM
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Originally Posted by 1MavRick
TALK THAT TALK!!!

im going to give you guys a call, tomorrow, to discuss pricing/options with the handheld for my CLS. im officially off the fence....
I just bought one and can't wait for it to arrive
Including the tuner for me to keep made it a slam dunk. I was on the fence too until I found out I can swap out tunes myself whenever I wanted. Not having to source a spare ECM, send them both in for cloning, etc. etc. It was all giving me a headache, because I have zero time - even though we all have the same 24h in a day
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