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      10-10-2013, 09:05 AM   #23
kylek13
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Well I've had plenty of stuff and that's not how it happens in practice at mine...if you have Drinan they honor everything here...
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      10-10-2013, 09:49 AM   #24
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Originally Posted by B-1 Pilot View Post
Haha, nice.

I have no need for a tune. I can't speak to others; their need to drag race, compete, or prove their "size" compared to others.

My guess is the cost of tune would be better invested in driving/tracking lessons unless all you wanted to do is drag your four seat sedan.
People can say the same about why you got an M5 over a 550...

I like Matt LeBlanc's answer when being interviewed on Top Gear (UK) about why he modded his 911 Turbo.. (to paraphrase) 'if someone who doesn't know anything about cars can go down to a dealership and get the same car...that is not right...I love cars.... so mine should go a little faster'
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      10-10-2013, 09:54 AM   #25
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Originally Posted by Aussie F10M View Post
I am curious why you think the car needs a tune. Don't you think it has enough power at the moment ?
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      10-10-2013, 10:01 AM   #26
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Quote:
Originally Posted by Niko1414
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Originally Posted by mindlessmark07
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Originally Posted by AlphaAlpineM6 View Post
Flashback, March 2009 I brought my M3 to the dealer for a sound coming out of the engine bay.

A few days went by and the dealer told me I exceeded the computer max governed velocity more than a few times, and went over the set redline by 100rpms 1500 times.

If you're not familiar with the generic E9x tunes, they traditionally* increase the governed speed and increase third-gear redline by 100-200rpms.

According to the dealers evidence from BMW NA, I got in the habit of using the last 100rpms, 1500 times.

The shop-forman who I was on good terms with suggested I come pickup the vehicle before it's warranty red-flagged.

Now that you're all familiar with my story on a previous gen BMW with less computer logging and engine management than the new and current gen cars would you still tune your beast?


Exactly why I went with the Switzer solution. I have been running the unit for almost a month now and I can say without a doubt, the car is considerably quicker. No errors logged or displayed and extremely simple to remove. For all you doubters out there, I used similar solutions on past turbo cars that I have owned and have never had a problem. A bit more boost never hurt anybody!
Welcome to the dark side mark!
It feels so good my brotha!
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      10-10-2013, 11:06 AM   #27
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Quote:
Originally Posted by Tom C View Post
People can say the same about why you got an M5 over a 550...

I like Matt LeBlanc's answer when being interviewed on Top Gear (UK) about why he modded his 911 Turbo.. (to paraphrase) 'if someone who doesn't know anything about cars can go down to a dealership and get the same car...that is not right...I love cars.... so mine should go a little faster'
That's fair... maybe my phrasing was a bit of a low blow... but there have been some who seemed to brag about their tunes without providing any data or proof that it was fast. I saw the LeBlanc episode too.. it was a good one, and I understand his point.

On the other hand (and a big part of the reason I personally dont see a need for one), are your own posts that impressed me -- as you stated "my F10 M5 is the fastest non-tuned car I have ever owned," and your 1/4 times with a bone stock M5 are amazing!

If I ever considered a tune, I would really want a lot more certainty that it wouldnt create a warranty issue...

If I didn't have that worry, I would go with the swtizer piggyback tune... why? Because he and Dave posted up real videos that show real performance increase on the road, not just a Dyno change. http://f10.m5post.com/forums/showthread.php?t=854869, but as Niko stated -- its not for the faint of heart.

Now if you drop a tune in on yours and break into the 10's on the strip that would be interesting too.
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      10-10-2013, 11:37 AM   #28
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Originally Posted by B-1 Pilot View Post
That's fair... maybe my phrasing was a bit of a low blow... but there have been some who seemed to brag about their tunes without providing any data or proof that it was fast. I saw the LeBlanc episode too.. it was a good one, and I understand his point.

On the other hand (and a big part of the reason I personally dont see a need for one), are your own posts that impressed me -- as you stated "my F10 M5 is the fastest non-tuned car I have ever owned," and your 1/4 times with a bone stock M5 are amazing!

If I ever considered a tune, I would really want a lot more certainty that it wouldnt create a warranty issue...

If I didn't have that worry, I would go with the swtizer piggyback tune... why? Because he and Dave posted up real videos that show real performance increase on the road, not just a Dyno change. http://f10.m5post.com/forums/showthread.php?t=854869, but as Niko stated -- its not for the faint of heart.

Now if you drop a tune in on yours and break into the 10's on the strip that would be interesting too.
Thanks!

I thought about tuning mine but there really isn't a tune out there right now that I trust...and I don't want to be some tuner's guinea pig. But if a reputable tuner puts something out there that is reliable and can quantify the gains...and will provide some sort of warranty...then I would probably pull the trigger. Until then, I will try to see what it can do without a tune at the track.
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      10-10-2013, 11:45 AM   #29
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Originally Posted by Tom C View Post
Thanks!

I thought about tuning mine but there really isn't a tune out there right now that I trust...and I don't want to be some tuner's guinea pig. But if a reputable tuner puts something out there that is reliable and can quantify the gains...and will provide some sort of warranty...then I would probably pull the trigger. Until then, I will try to see what it can do without a tune at the track.
No tuner will provide a warranty with their tune, with the exception of maybe Dinan. Like I have already alluded to, Dinan has not come out with a single mod for the F10 M5 and the 2013 M5 been out for a year here in the United States already. At least give us some lowering springs Dinan, are you listening? Lol!
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      10-10-2013, 11:53 AM   #30
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Originally Posted by RPiM5 View Post
No tuner will provide a warranty with their tune, with the exception of maybe Dinan. Like I have already alluded to, Dinan has not come out with a single mod for the F10 M5 and the 2013 M5 been out for a year here in the United States already. At least give us some lowering springs Dinan, are you listening? Lol!
Good luck!-lol!

I don't see anything wrong with people who are passionate about their cars getting a tune or fixing them up. Even though you can't run for miles wide open or get full potential off-track, it is sure fun to pull up next to a fast car that would typically beat your stock car and leave it behind.
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      10-10-2013, 12:05 PM   #31
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Originally Posted by AlphaAlpineM6 View Post
Some report it doesn't but I would image it does. I have no evidence to back my fact. With a piggyback and or downpipes you're raising boost. So warranty, possibly gone.
We just need a guinea pig to go in, ask for the service mgr and tell him/her you need your DME inspected for history of the boost map. If it does, you will loose your warranty. Anyone up for it?
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      10-10-2013, 12:08 PM   #32
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Quote:
Originally Posted by Aussie F10M View Post
I am curious why you think the car needs a tune. Don't you think it has enough power at the moment ?
I'm in this camp. Don't need more power. Need more grip and more brakes.
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      10-10-2013, 12:12 PM   #33
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I'm in this camp. Don't need more power. Need more grip and more brakes.
I think it comes down personal preference. Some of us like to go fast in a straight and some of us like the turns. For me personally, I like going straight since I built 1/4 mile cars in the past that never really turned.
Nothing wrong with either, but some people like more power and others like more suspension and brakes.
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      10-10-2013, 12:51 PM   #34
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Originally Posted by greentrbo95gst View Post
We just need a guinea pig to go in, ask for the service mgr and tell him/her you need your DME inspected for history of the boost map. If it does, you will loose your warranty. Anyone up for it?
It DEFINITELY is recorded. No question. I have seen it on mine. I just did not care about warranty. This was at a third party shop with the same software.

This should not surprise anyone. The post I put above about a car throwing that error while at the tuner shop was enough for the tuner to say "forget the F10". If you can't afford to fix it without warranty then you should stay away from tunes. These cars are very fast as is.
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      10-10-2013, 12:52 PM   #35
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I'm in this camp. Don't need more power. Need more grip and more brakes.
+100000 primary reason I sold mine. Funny thing is, my F12 cab grips a LOT better than the M5 did. The M5 had a tune and DPs and was faster so I thought that was it. (most power diff came from the DP). However, I swapped the DP to the M6 and it still grips better. hhhmmm.....
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      10-10-2013, 02:59 PM   #36
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If you can't afford to fix it without warranty then you should stay away form tunes.
+1....I own my car outright and I am willing to take the risk.
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      10-10-2013, 05:04 PM   #37
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Originally Posted by RPiM5 View Post
No tuner will provide a warranty with their tune, with the exception of maybe Dinan. Like I have already alluded to, Dinan has not come out with a single mod for the F10 M5 and the 2013 M5 been out for a year here in the United States already. At least give us some lowering springs Dinan, are you listening? Lol!
AC Schnitzer provide warranty on all of their tunes:

http://www.ac-schnitzer.de/en/bmw-ca...2/engineering/

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      10-10-2013, 07:16 PM   #38
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I think DINAN will be coming out with exhaust and suspension soon. They have been doing R&D, and have also been crawling in terms of progress. Why, I don't know. Nobody really knows.

All I can say is when they finally do release parts for the F10 M5, it better be an entire "S Package".
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      10-11-2013, 12:11 PM   #39
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Doesn't our DME log the amount of boost the car is running?
Yes it does and can be read remotely if required.
I am reliably told all info is stored on the key fob !!, not sure this is true but would not surprise me.
My LCI is fast enough for me, I can not exploit it's full potential off track.
scary
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      10-11-2013, 02:43 PM   #40
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Not all information is stored on the key fob. Only service relevant data
However the car will log plenty of data BMW HQ can retrieve if need arises.
The dealer does NOT have access to this data and can't intercept or read it
BMW HQ for example has used the data to verify abuse after bend valves, burned clutches etc...
So bottom line is anyone who puts any kind of tune on their cars (sw, piggy back, paper clip , whatever)
has to understand they MAY have to cover costs for repairs and loose their warranties (if it's a lease car BMW can even possibly have you buy out the car as you breached the lease agreement)
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      10-11-2013, 03:38 PM   #41
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Not all information is stored on the key fob. Only service relevant data
However the car will log plenty of data BMW HQ can retrieve if need arises.
The dealer does NOT have access to this data and can't intercept or read it
BMW HQ for example has used the data to verify abuse after bend valves, burned clutches etc...
So bottom line is anyone who puts any kind of tune on their cars (sw, piggy back, paper clip , whatever)
has to understand they MAY have to cover costs for repairs and loose their warranties (if it's a lease car BMW can even possibly have you buy out the car as you breached the lease agreement)
True. Unless you buy a tune with warranty, as some of the German tuners does.
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      10-11-2013, 04:18 PM   #42
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Quote:
Originally Posted by RidgeRacer
Quote:
Originally Posted by Aussie F10M View Post
I am curious why you think the car needs a tune. Don't you think it has enough power at the moment ?
I'm in this camp. Don't need more power. Need more grip and more brakes.
more brakes! yes.. R888 and some carbon brakes will do the trick. If I hadn't bought the tire protection plan I would have R888 on my car right now
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      10-12-2013, 09:00 AM   #43
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Quote:
Originally Posted by greentrbo95gst View Post
Doesn't our DME log the amount of boost the car is running?
Yes it does but with piggy back stuff it fools the ecu into thinking it is making low boost so te ecu ups it to where it thinks it should be so the ecu only ever sees standard boost.

If the tech looks at air flow it would show the extra boost in extra air flow. Once I get round to fitting my burger tuning module I will log boost before and after and post results. But guaranteed to be standard both times where as the air flow will jump considerably.
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      10-13-2013, 04:54 AM   #44
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Yes it does but with piggy back stuff it fools the ecu into thinking it is making low boost so te ecu ups it to where it thinks it should be so the ecu only ever sees standard boost.

If the tech looks at air flow it would show the extra boost in extra air flow. Once I get round to fitting my burger tuning module I will log boost before and after and post results. But guaranteed to be standard both times where as the air flow will jump considerably.
Depending on how many sensors are manipulated by the piggy back, there will be a number of inconsistencies when they check the ECU:

Boost and airflow don't match
Fuel pressure and fuel flow/output signal to fuel pump don't match
Etc, etc...

Pretty sure BMW HQ knows how to detect that a piggyback has been on the car, if they want to find out... (like in a warranty claim case)
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