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      01-15-2015, 11:52 PM   #89
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Quote:
Originally Posted by gmd2003 View Post
Yours is the first dyno I've seen that I actually believe is accurate . These 670-680 whp and 800 crank dyno's are quite frankly manipulated by vendors and by dyno operators to make customers happy . This is the worst I've ever seen it , thank you for bringing some reality to this forum .
+1000 AMS for the win
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      01-16-2015, 01:24 AM   #90
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Wow.. That is pretty great. Can we tune through OBD as RPI mentioned?
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      01-16-2015, 08:29 AM   #91
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Very nice thread guys
I agree with Dave though
I can't imagine shipping my ECU
It is kinda hard
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      01-16-2015, 10:45 AM   #92
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Waiting for obd tune myself can't see me removing and shipping ecu not with 4years of warranty left
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      01-16-2015, 10:50 AM   #93
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Ok who ever is waiting for ob keep on fkn waiting then, for a thousand years, I know AMS have the fastest EVOs, the fastest GTRs in the world not some mickey mouse company, many will purchase this.
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      01-16-2015, 11:40 AM   #94
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I'll ship my ECU to you. Feel free to PM me once this is ready, Eric.
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      01-16-2015, 11:58 AM   #95
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Quote:
Originally Posted by AstonMartian777
Ok who ever is waiting for ob keep on fkn waiting then, for a thousand years, I know AMS have the fastest EVOs, the fastest GTRs in the world not some mickey mouse company, many will purchase this.
Lol well said
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      01-16-2015, 12:20 PM   #96
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Whats wrong with mickey mouse?
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      01-16-2015, 12:58 PM   #97
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Quote:
Originally Posted by AstonMartian777 View Post
Where are you going to go above 155 ? Stock m5 is not fast at all.
Houston
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      01-16-2015, 02:17 PM   #98
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Quote:
Originally Posted by shahano
Wow.. That is pretty great. Can we tune through OBD as RPI mentioned?
No it will be awhile if ever before OBD tuning can occur . BMW put blocks in to prevent that , besides physically interacting with the ECU is the only way AMS and other companies are able to do an actual tune currently . It has to be bench flashed . As the AMS rep stated this has been standard operating procedure for Mercedes and Porsche ECU's for awhile . Yes it's inconvenient , but if you want a real tune then it's the only game in town . I would never ship an ECU overseas , but to a U.S. Company , I would . As long as they will replace the ECU if they damage it and offer a free reflash if the dealer overwrites the files then I don't have a problem with it .
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      01-16-2015, 02:22 PM   #99
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It's be posted that OBD flash was successful but ECU must bench flash first. One time removal ain't bad at all. If it's true.
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      01-16-2015, 03:30 PM   #100
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Was thinking about doing a Dinan tune. What is the advantage of AMS over doing Dinan?
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      01-16-2015, 03:59 PM   #101
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Quote:
Originally Posted by gmd2003
Quote:
Originally Posted by shahano
Wow.. That is pretty great. Can we tune through OBD as RPI mentioned?
No it will be awhile if ever before OBD tuning can occur . BMW put blocks in to prevent that , besides physically interacting with the ECU is the only way AMS and other companies are able to do an actual tune currently . It has to be bench flashed . As the AMS rep stated this has been standard operating procedure for Mercedes and Porsche ECU's for awhile . Yes it's inconvenient , but if you want a real tune then it's the only game in town . I would never ship an ECU overseas , but to a U.S. Company , I would . As long as they will replace the ECU if they damage it and offer a free reflash if the dealer overwrites the files then I don't have a problem with it .
Yes and no...

This week two German tuners that I know of announced OBD flash can now be done. BR Performance in Belgium (AMS Alpha's supplier of the Fxx solution) also wrote on Bimmerpost that you could do the tuning via OBD.

But, DME has to be removed and opened to read the pwd/break encryption before you can do the OBD tuning. And OBD has a flash counter which will be a telltale sign to BMW that someone has flashed the DME...
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      01-16-2015, 04:51 PM   #102
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Quote:
Originally Posted by Timberwolf View Post
Hi Eric,
I'm a good friend of Tom Passalacqua's, and these runs where done on his dyno.
We added 5 gallons of MS109 on an empty tank. We ran to 5k rpms let it cool down then made this pull. The run was done in 5th gear hence the rpm cutoff. I'm sure some adaptation would have yielded more. Just didn't want to push it beyond this.

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Ok that is a STD corrected file and a cold run. For Comparison sake here is a cold run on the same full exhaust car in our test car on 93 octane under standard correction



You can tell comparing the two graphs the boost curves are very different. Our tune has boost coming a lot softer vs yours that has boost all in right away. It appears as your car is running more boost too overall. Yours being on race and ours being on pump gas would also align with that idea.

Last edited by AMS ALPHA; 01-16-2015 at 04:57 PM..
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      01-16-2015, 05:14 PM   #103
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Quote:
Originally Posted by AMS ALPHA
Quote:
Originally Posted by Timberwolf View Post
Hi Eric,
I'm a good friend of Tom Passalacqua's, and these runs where done on his dyno.
We added 5 gallons of MS109 on an empty tank. We ran to 5k rpms let it cool down then made this pull. The run was done in 5th gear hence the rpm cutoff. I'm sure some adaptation would have yielded more. Just didn't want to push it beyond this.

Mods:
AMS Catless DPs
BMS piggy back with 4.5 psi over stock
Turner Axle back delete
K&N drop ins
Ok that is a STD corrected file and a cold run. For Comparison sake here is a cold run on the same full exhaust car in our test car on 93 octane under standard correction



You can tell comparing the two graphs the boost curves are very different. Our tune has boost coming a lot softer vs yours that has boost all in right away. It appears as your car is running more boost too overall. Yours being on race and ours being on pump gas would also align with that idea.
Yah Tommy is all boost all in kind of guy :
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      01-16-2015, 06:40 PM   #104
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Regarding the limiter. It is possible to use e-Sys and code the part for limiter and overwrite it from the latest alpina b5 (323 kmh topspeed - STOCK!)
for you guys wanting OBD tuned this, it is possible! ECUtuninggroup has done it. 1995$ for the tune +1000$ deposit for their tool and laptop if you can't show up.
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      01-16-2015, 09:48 PM   #105
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I sent my ECUs to BR Performance at the beginning of January. Shipped them Monday, received them back Friday. Had no issues shipping them overseas. I am pretty sure AMS turnaround time would have been similar. For me, it was about getting the ECUs remapped and I am very happy with the result.

Quote:
Originally Posted by gmd2003 View Post
No it will be awhile if ever before OBD tuning can occur . BMW put blocks in to prevent that , besides physically interacting with the ECU is the only way AMS and other companies are able to do an actual tune currently . It has to be bench flashed . As the AMS rep stated this has been standard operating procedure for Mercedes and Porsche ECU's for awhile . Yes it's inconvenient , but if you want a real tune then it's the only game in town . I would never ship an ECU overseas , but to a U.S. Company , I would . As long as they will replace the ECU if they damage it and offer a free reflash if the dealer overwrites the files then I don't have a problem with it .
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      01-16-2015, 10:00 PM   #106
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Quote:
Originally Posted by MCarsFan View Post
I sent my ECUs to BR Performance at the beginning of January. Shipped them Monday, received them back Friday. Had no issues shipping them overseas. I am pretty sure AMS turnaround time would have been similar. For me, it was about getting the ECUs remapped and I am very happy with the result.
Dyno ? Can you dyno on a dynojet ?
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      01-16-2015, 11:03 PM   #107
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Quote:
Originally Posted by AstonMartian777 View Post
Dyno ? Can you dyno on a dynojet ?
Be happy to, I am on the central coast in CA. I need to look into it as I am unsure about credible places to get the car tested unless I drive up to Bay Area or down to LA. Any suggestions would be welcome.. At this stage I haven't found anyone closer.
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      01-16-2015, 11:07 PM   #108
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Quote:
Originally Posted by MCarsFan View Post
I sent my ECUs to BR Performance at the beginning of January. Shipped them Monday, received them back Friday. Had no issues shipping them overseas. I am pretty sure AMS turnaround time would have been similar. For me, it was about getting the ECUs remapped and I am very happy with the result.
Did you have to bleed the water cooling system after replugging the ECU's?
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      01-16-2015, 11:25 PM   #109
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Quote:
Originally Posted by exmowner View Post
Did you have to bleed the water cooling system after replugging the ECU's?
I got help with this from a BMW technician.
Turned the car off, left the trunk and hood open, left the car to go to "sleep" left the car for about 1 hour
Opened hood, removed engine cover, removed ECUs, removed ECUs from "coolant" pipes with pliers
Wrote on drivers and passenger ECUs
Disconnected battery
Shipped to Belgium Monday
Received Friday
Re installed ECUs (not sure about coolant process)
Reattached battery.
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      01-16-2015, 11:52 PM   #110
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Quote:
Originally Posted by MCarsFan View Post
I got help with this from a BMW technician.
Turned the car off, left the trunk and hood open, left the car to go to "sleep" left the car for about 1 hour
Opened hood, removed engine cover, removed ECUs, removed ECUs from "coolant" pipes with pliers
Wrote on drivers and passenger ECUs
Disconnected battery
Shipped to Belgium Monday
Received Friday
Re installed ECUs (not sure about coolant process)
Reattached battery.
This is so tempting, but I am not sending my forthcoming ECU anywhere. Mostly because I have no clue how to do so and this will be my DD. I am convinced I would FUBAR and I would have a $100K paper weight sitting in my garage. I'm bummed, but unless it's able to be remotely flashed... no dice despite the 100HP gains.
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Last edited by bronch; 01-17-2015 at 12:00 AM..
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