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      12-13-2014, 11:24 PM   #1805
rick100
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Quote:
Originally Posted by W37V View Post
Just an update and warning:

I had mine installed today.

This tune will lower your RPM to 650 rpm at idle. If you had dealer apply software fix in order to fix the gear rattle, this will nix the fix.

After the update, my gear rattle is worse than ever. I love the power in the upper rpms but gear rattle at idle is horrendous. If they can't apply the fix to increase my idle to ~720 rpm, I will most likely revert to stock.

On the positive side, car feels more nimble and pulls stronger. Can't wait to install 3 stage intake to get full potential.
my car always idles at 650 rpm , before and after the tune. I only go up to 700-750 when my ac is on ... The tune does not do anything to the tranny as far as I know, you could even do a transmission s oftware update and it will not affect the tune , at least thats what I was told by the mechanic who installed the tune....
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      12-14-2014, 12:50 AM   #1806
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My car has always idled at 650rpm as well
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      12-14-2014, 12:59 AM   #1807
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Quote:
Originally Posted by rick100 View Post
my car always idles at 650 rpm , before and after the tune. I only go up to 700-750 when my ac is on ... The tune does not do anything to the tranny as far as I know, you could even do a transmission s oftware update and it will not affect the tune , at least thats what I was told by the mechanic who installed the tune....
Same here except as it turns out the actual rpm isn't what the tach is displaying at idle but becomes more accurate as revs climb.

The op has a standard so no coding and gear rattle is suppressed by the guibo and the dual mass flywheel. A billet flywheel increases gear rattle but the guibo suppresses it somewhat. If the rattle isn't really loud it might be just the guibo. If it's really loud it could be the flywheel maybe.
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      12-14-2014, 11:24 AM   #1808
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Quote:
Originally Posted by W37V View Post
Just an update and warning:

I had mine installed today.

This tune will lower your RPM to 650 rpm at idle. If you had dealer apply software fix in order to fix the gear rattle, this will nix the fix.

After the update, my gear rattle is worse than ever. I love the power in the upper rpms but gear rattle at idle is horrendous. If they can't apply the fix to increase my idle to ~720 rpm, I will most likely revert to stock.

On the positive side, car feels more nimble and pulls stronger. Can't wait to install 3 stage intake to get full potential.
I doubt the tune has anything to do with gear rattle. Its doubtful that AA has made any changes to idle, there's no need and it jas nothing to do with power delivery. The only things that would make it worse are cams and a lightweight flywheel.
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      12-15-2014, 09:58 AM   #1809
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Quote:
Originally Posted by justpete View Post
Has your dealer looked at the guibo? If it's worn gear rattle will increase. BTW, I didn't have the DASH3 display running with the logger until late September (I think) and the CANbus reported rpm is actually 725 at idle. The tach reads 650rpm at the same time.
Delership did everything (replaced transmission, DMF, clutch, etc). Their software patch was what helped it. They increased idle RMP to ~720 (per torque app) and tachometer.
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      12-15-2014, 11:24 AM   #1810
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Quote:
Originally Posted by W37V View Post
Delership did everything (replaced transmission, DMF, clutch, etc). Their software patch was what helped it. They increased idle RMP to ~720 (per torque app) and tachometer.
Dumb question but you mentioned earlier it sounds like grinding, kinda confusing. Does it sound like shaking a jar of heavy marbles or more like clicking? Is it loud enough at idle with the clutch engaged and A/C off that you can hear it over the radio at a normal listening volume? A recording would be helpful. Tnx
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      12-15-2014, 01:17 PM   #1811
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Quote:
Originally Posted by justpete View Post
Dumb question but you mentioned earlier it sounds like grinding, kinda confusing. Does it sound like shaking a jar of heavy marbles or more like clicking? Is it loud enough at idle with the clutch engaged and A/C off that you can hear it over the radio at a normal listening volume? A recording would be helpful. Tnx
This is different sound. It is definitely gear rattle. It sounds like "a jar of heavy marbles" and disappears when clutch is depressed. Grinding is still present, but WAAAAY less since they replaced DMF (almost non-existent). Rattle was "fixed" when they applied update for rough idle. All they did was raise rpms to 720. That took care of both things.
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      12-15-2014, 04:39 PM   #1812
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Quote:
Originally Posted by W37V View Post
This is different sound. It is definitely gear rattle. It sounds like "a jar of heavy marbles" and disappears when clutch is depressed. Grinding is still present, but WAAAAY less since they replaced DMF (almost non-existent). Rattle was "fixed" when they applied update for rough idle. All they did was raise rpms to 720. That took care of both things.
Huh. Thanks. Have read here and there that some if not most bimmer MTs have this problem and idle change fixes it, never heard it myself until the car got a lightweight flywheel though. Still don't understand how the AA tune could change the idle speed, sure does seem strange that it would. Could you have the dealership reflash the idle for you? Seems like it's absolutely the only fix.
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      12-15-2014, 06:41 PM   #1813
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I contacted AA, and they said they will will send change the idle speed, but I will need to get my car flashed again. Interesting thing is, he looked at my files and said that my idle was stock and my car shouldn't have idled that high. I don't know what to say. All I know is that the car did idle at ~720rpm without AC on. Tachometer was showing this, as well as torque app on my phone. When BMW installed the update, mechanic said that he it was the software fix for rough idle and would address my rattle since it would make everything run smoother. It did.
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      12-16-2014, 11:19 AM   #1814
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Quote:
Originally Posted by W37V View Post
I contacted AA, and they said they will will send change the idle speed, but I will need to get my car flashed again. Interesting thing is, he looked at my files and said that my idle was stock and my car shouldn't have idled that high. I don't know what to say. All I know is that the car did idle at ~720rpm without AC on. Tachometer was showing this, as well as torque app on my phone. When BMW installed the update, mechanic said that he it was the software fix for rough idle and would address my rattle since it would make everything run smoother. It did.
Never heard of this situation happening before. It seems like you have something wrong with the car but, a higher idle just masks it.
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      12-16-2014, 11:29 AM   #1815
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
Never hard os this situation happening before. It seems like you have something wrong with the car but a higher idle just masks it.
Possibly. I had 2 different dealerships look into it and after replacing DMF, transmission, 2 clutch kits, nothing worked to mitigate the rattle. The only thing that worked was increased idle.

Car is adjusting nicely to the tune and I can feel the difference. I can't wait to install 3 stage intake to feel the full potential of the tune.

I highly recommend it. The whole process - once started took ~2 hours. ~1 hour to read and ~40 hour to write the tune.

I really appreciate your professionalism and willingness to work with me. Thank you!
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      12-16-2014, 11:42 AM   #1816
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Quote:
Originally Posted by W37V View Post
Possibly. I had 2 different dealerships look into it and after replacing DMF, transmission, 2 clutch kits, nothing worked to mitigate the rattle. The only thing that worked was increased idle.

Car is adjusting nicely to the tune and I can feel the difference. I can't wait to install 3 stage intake to feel the full potential of the tune.

I highly recommend it. The whole process - once started took ~2 hours. ~1 hour to read and ~40 hour to write the tune.

I really appreciate your professionalism and willingness to work with me. Thank you!
Looked at your file and it was set at 650. Just a fyi we do not touch anything in the software under 2k rpm unless requested. We can raise it though when you head back to the flash station.
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      12-16-2014, 12:11 PM   #1817
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Final dyno: 248.2 whp


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      12-16-2014, 01:26 PM   #1818
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Headers do WONDERS for that second DISA dip there.
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      12-16-2014, 01:53 PM   #1819
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Headers do WONDERS for that second DISA dip there.
Thats all software fixes.
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      12-16-2014, 02:08 PM   #1820
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Just to clarify, by mentioning "secondary cats"....does that mean that they're still in place? I presume that that this is also with a stock exhaust?

Also, this is the off-road tune, right? I would assume so, since it's with the headers.

Nice graph. This is excellent data. Did you have multiple runs on each? If so, how did each run compare? Is this the best/worst case of each (if multiple runs were done)?
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      12-16-2014, 04:24 PM   #1821
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
Thats all software fixes.
Very good numbers and even better looking curve. Makes more even more excited for a custom tune, i hate the hole between 3.5 and 4.5.

What's the cause of the sharp spike @ 6900 RPM?
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      12-16-2014, 04:44 PM   #1822
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
Looked at your file and it was set at 650. Just a fyi we do not touch anything in the software under 2k rpm unless requested. We can raise it though when you head back to the flash station.
Thank you Andrew. I am trying to contact Frank to schedule installation, but haven't been able to reach him yet. You guys have been awesome.

BTW. Those results look amazing. Who needs a busted supercharger with this?
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      12-16-2014, 05:33 PM   #1823
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Quote:
Originally Posted by Seanzie View Post
Just to clarify, by mentioning "secondary cats"....does that mean that they're still in place? I presume that that this is also with a stock exhaust?

Also, this is the off-road tune, right? I would assume so, since it's with the headers.

Nice graph. This is excellent data. Did you have multiple runs on each? If so, how did each run compare? Is this the best/worst case of each (if multiple runs were done)?
This car does have secondary cats still installed. I bet we could get over 250 if he removed them. I do have some runs from before we installed header and such. Custom tune made another 7 whp.
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      12-16-2014, 05:40 PM   #1824
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Quote:
Originally Posted by W37V View Post
Thank you Andrew. I am trying to contact Frank to schedule installation, but haven't been able to reach him yet. You guys have been awesome.

BTW. Those results look amazing. Who needs a busted supercharger with this?
Thank you
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      12-19-2014, 08:32 PM   #1825
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Andrew:

My car went into BMW today for brake replacement. While in there, the car's ECU was updated unannounced to me. It appears the tuning went back to OEM file (various other coding I've done has been wiped out)

However, I went to retune the car and I selected my latest modification file and I got a notification that the ECU is flashed to this latest tune. I don't believe it because the OEM limiter is in place (soft limit at 7000), and we raised it to 7200 RPM. As well I don't hear or feel the VANOS kick-over early like prior.

So, I went to try and reflash with an earlier tune or Original Tune with my Simon tool and I have this error:

Code 0x2101: File incompatible with the ECU

It appears the updated ECU has caused an issue with the old tuning files. The ECU was updated per SIB 34 03 13.

I have an issue now where I cannot tune and files on my Simon tool to the ECU. It also appears that the only option on the Simon tool is "write".

There is no way to "read" from the Simon Tool. So I'm confused how I am able to retrieve you the actual ECU file anymore.

I'm more concerned about writing new files to the ECU after header install since I cannot do it currently with the tunes.

What do I need to do? Is there anyway to "reset" the Simon tool in order for me to re-read the ECU and get a current, "original" file to update after that?


PS - I've looked up the PDF document on how to reset the tool via the provided document but it wants me to flash my car with the OE tune prior. This is impossible though!

Last edited by Kgolf31; 12-19-2014 at 11:02 PM.
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      12-30-2014, 04:39 PM   #1826
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I just removed my Sprint Booster and installed the Active Autowerke's Stage 2 tune for my N51. First off, I have to say I was a Nervous Nelly doing the reflash, as this was my first time; I guess one could say I was a virgin flasher! While the written instructions are not the most detailed, Pedro did walk me through it--thank you Pedro. After the flash I did have a check engine light and the nice folks at O'Reilly Auto Parts read the code for me (U0100), which they could not reset and had to do something with the "gearbox interface." However, after a short drive the CEL did go away.

As for the driving experience, the car is definitely more responsive and not nearly as "jerky" as it was with the Sprint Booster. At this point it is hard to say if the car is faster but I will give it some time to see how it adjusts to the new tune. The proof will be when I go back to the drag strip and compare the before and after MPH. I will update the post when I have the drag strip data.
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