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      01-14-2017, 08:47 PM   #23
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This looks promising, but loss of warranty when something goes wrong is an issue (as opposed to their more expensive stage 1 - $1544).
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      01-15-2017, 12:10 AM   #24
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Can someone confirm the warranty on this? I know Dinan states 1yr but my concern is the OEM ECU registering in some log the increased boost.

I am expecting my Fabspeed Sport Cat DP to come in soon and I saw the other thread about this Dinan add on combined with the DP yielding a considerable bump in feel but it had no dyno results. This thread has dyno results but no DP.

We need someone with DP and Dinan add on showing dyno runs!
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      01-15-2017, 06:11 AM   #25
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Quote:
Originally Posted by RPM2-85 View Post
But dyno sheets or it didn't happen!!!!![/QOUTE]

check your email.
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Originally Posted by M2GB View Post
And this is without a sport downpipe???
correct

Quote:
Originally Posted by CosmosMpower View Post
30 whp and 50 wtq is pretty good, I thought consensus was that these motors are pretty much maxed out?

Hence the "pretty" maxed out, not completely

Is it also true that the $300 sport tuner will void your BMW factory warranty if the engine lets go vs the $1500 stage 1 tuner which keeps the warranty?
Theoretically, yes. All told, you're adding a few extra lbs of boost and ~35 bhp to the stout N55. It can handle it.

Quote:
Originally Posted by zFrostyy View Post
What kind of gas were you running? 91 or 93?
93
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Originally Posted by bi0hazard View Post
This looks promising, but loss of warranty when something goes wrong is an issue (as opposed to their more expensive stage 1 - $1544).
Yep, is $1244 plus install worth the piece of mind??
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      01-15-2017, 11:24 AM   #26
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Why is Fabspeed claiming 30hp gain for the dp when they claim (and show) 16whp on the dyno graph on their website?

http://www.fabspeed.com/bmw-m2-f87-sport-cat-downpipe/
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      01-15-2017, 12:03 PM   #27
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Quote:
Originally Posted by Gimmethecash View Post
Why is Fabspeed claiming 30hp gain for the dp when they claim (and show) 16whp on the dyno graph on their website?

http://www.fabspeed.com/bmw-m2-f87-sport-cat-downpipe/
I see on that graph +32.48 whp at 6.200rpm. Akrapovič claims for its dp HJS 300 cell 13.1 hp at 6.200rpm.

Last edited by marcusfva; 01-15-2017 at 12:08 PM..
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      01-15-2017, 12:23 PM   #28
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Looks like 5500 rpm to me, but it's still just one data point where there's a little dip in the stock plot as the power trails off. Peak power is clearly listed at 16.16whp gain.

That explains where the 30hp figure comes from - and I know area under the curve is the important thing to look at, but it looks to my old eyes that the average gain is more like 20hp. Still not bad and making it a tough choice for me personally whether I want to take the warranty risk.
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      01-15-2017, 08:09 PM   #29
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OP, thanks for sharing your Dyno graphs, which I have attached below.

The way I look at them:
Dinan Sport Tuner:
Max WHP: 367@5500
Max WTQ: 408@2800
Stock:
Max WHP: 349@5750
Max WTQ: 367@2300

In this sense, the gain in maximum horsepower is 18WHP.

To be precise, 6400rpm is where gain peaks at 29WHP, but it does not mean the tune is making 29WHP peak power than stock.

That being said, there are indeed significant gains in power "under the curve" where it really matters for you to enjoy.

30WHP gains up top can't be had without 2~3psi boost there. Glad to know our turbo is capable of flowing that much more at top end. If you have data log, check out how IAT is climbing and if timing is pulling there. Anyway be cautious when climate gets warm though.
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      01-15-2017, 09:54 PM   #30
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Does the Dinan sport tuner have to be disconnected/removed for dealer visits?
or can you just set it to stock ala JB4 map 0?

my concern is voiding warranty/interference with dealership diagnostic equipment

also does the stage 1 tuner make the same power and have the option of switching maps via bluetooth?

really not sure which one to buy here...
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      01-16-2017, 05:49 AM   #31
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Quote:
Originally Posted by SeanWRT View Post
OP, thanks for sharing your Dyno graphs, which I have attached below.

The way I look at them:
Dinan Sport Tuner:
Max WHP: 367@5500
Max WTQ: 408@2800
Stock:
Max WHP: 349@5750
Max WTQ: 367@2300

In this sense, the gain in maximum horsepower is 18WHP.

To be precise, 6400rpm is where gain peaks at 29WHP, but it does not mean the tune is making 29WHP peak power than stock.

That being said, there are indeed significant gains in power "under the curve" where it really matters for you to enjoy.

30WHP gains up top can't be had without 2~3psi boost there. Glad to know our turbo is capable of flowing that much more at top end. If you have data log, check out how IAT is climbing and if timing is pulling there. Anyway be cautious when climate gets warm though.
Many thanks good buddy. Now really show your skills and place the graphs in the OP

I realize all dynos are different but, I'm impressed with my stock numbers. 2 factors may contribute to this...

1) I have COI and exhaust which, when combined, claim 14 bhp.
2) I ran the car very hard during 1200 mile break-in.
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      01-16-2017, 05:55 AM   #32
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Quote:
Originally Posted by andrewc89 View Post
Does the Dinan sport tuner have to be disconnected/removed for dealer visits?
or can you just set it to stock ala JB4 map 0?

my concern is voiding warranty/interference with dealership diagnostic equipment

also does the stage 1 tuner make the same power and have the option of switching maps via bluetooth?

really not sure which one to buy here...
The sport tuner doesn't "have" to be removed. It's up to you and your relationship with your service dept. It can be set to stock via Bluetooth, or just remove the unit altogether. It takes one minute.
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      01-16-2017, 07:56 AM   #33
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Quote:
Originally Posted by auf Deutsch View Post
The sport tuner doesn't "have" to be removed. It's up to you and your relationship with your service dept. It can be set to stock via Bluetooth, or just remove the unit altogether. It takes one minute.
Do you know if the OEM ECU registers (any logs) of any increase in boost?
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      01-16-2017, 08:46 AM   #34
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Quote:
Originally Posted by EL BAN View Post
Do you know if the OEM ECU registers (any logs) of any increase in boost?
from what my friend told me, it does. The stock DME logs data for at least the last 10 trips or so, and they're gonna know if you've fucked with the car if they start digging, which could potentially be an issue down the road when let's say your fuel pump breaks and you want to fix it under warranty.

if anyone has worked for bmw or has any knowledge on the subject please chime in

Last edited by AndrewC1989; 01-16-2017 at 08:52 AM..
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      01-16-2017, 09:10 AM   #35
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That's why I ask.

I had a really extensive talk with my CA on this topic (modifications) and basically he ended up summarizing saying the car is mine and I can do whatever I want to it.

They will take every warranty request on a case by case basis and he just recommends no tuning cause it alleviates the process of a warranty claim.

He did talk about a case they had where the car was loaded with parts and tuning and it was proven that, although modified and tracked heavily, the failure was not for a strain on parts modified and warranty was honored.

He basically stated and I quote: "The computers on these cars log everything, we can find out if the car has been tuned or not since everything is logged into it"

I just haven't been able to confirm that with anyone other than the CA.

It's the reason I have desisted of looking into tuning at the moment.

Eventually warranty runs out and that's another story..
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      01-16-2017, 09:19 AM   #36
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Quote:
Originally Posted by EL BAN View Post
It's the reason I have desisted of looking into tuning at the moment.
you and me both kiddo

you'd think because it's dinan that they would back the product, but they 100% do not lol. maybe because it actually adds power


unlike their stage 1 tuner:

http://f87.bimmerpost.com/forums/sho....php?t=1343899
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      01-16-2017, 11:46 AM   #37
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Quote:
Originally Posted by EL BAN View Post
Do you know if the OEM ECU registers (any logs) of any increase in boost?
Dinan's response:



Link to their site explaining the difference in tunes:

http://www.dinancars.com/the-evolution-of-power/
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      01-16-2017, 03:34 PM   #38
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Quote:
Originally Posted by pup73 View Post
I'll chime in here; if you're referring to Fabspeed's original thread and dyno regarding their catted sport DP, that is my car. They used it to develop the DP. The car was (and remains) stock (i.e. no tune).

Hope this helps

-c
how many miles have you put on the car with the sport cat on?
still no CEL's? are you loving it? hating it? any issues?
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      01-16-2017, 06:56 PM   #39
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Quote:
Originally Posted by andrewc89 View Post
Quote:
Originally Posted by EL BAN View Post
Do you know if the OEM ECU registers (any logs) of any increase in boost?
Dinan's response:

[img]
View post on imgur.com
[/img]

Link to their site explaining the difference in tunes:

http://www.dinancars.com/the-evolution-of-power/
"The DME logs everything"



#gameover

Will tune eventually when Warranty runs out.. will stick with bolt tons in the meantime.
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      01-17-2017, 07:27 AM   #40
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Quote:
Originally Posted by BruceM View Post
Thanks for the reminder. So...did/does it feel like more 10 hp, or more like 36?
Sorry for the late response...

Honestly, the car does feel quicker. Does is feel 36hp quicker? Hard to say, but I say it feels more like 16hp quicker

In all seriousness, it seems a bit quicker and responsive. The SOUND (in combo with the muffle bypass), is what really gets you..

I apologize for the very unscientific response.

-c
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      01-17-2017, 07:29 AM   #41
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Quote:
Originally Posted by andrewc89 View Post
how many miles have you put on the car with the sport cat on?
still no CEL's? are you loving it? hating it? any issues?
I have put around 2800 miles on since the sport cat (I don't drive that much, car is 9 months old and has 3800 miles). NO CELS. I don't expect any. No issues.

I really, really like it. No downsides (except maybe the price...)

-c
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      01-17-2017, 03:22 PM   #42
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Quote:
Originally Posted by pup73 View Post
I have put around 2800 miles on since the sport cat (I don't drive that much, car is 9 months old and has 3800 miles). NO CELS. I don't expect any. No issues.

I really, really like it. No downsides (except maybe the price...)

-c
Do you have the fabspeed muffler delete too or just the sport cat? i was going to ask about drone.

Debating if i should do no cat + stock exhaust or sport cat + muff delete

Obv leaning towards the no cat option for the noise and price point. just turned off by the idea of a CEL i have to fix

then again i don't feel like hacking my stock exhaust apart either. ugh.

Last edited by AndrewC1989; 01-17-2017 at 03:55 PM..
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      01-17-2017, 05:02 PM   #43
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Quote:
Originally Posted by EL BAN View Post
"The DME logs everything"



#gameover

Will tune eventually when Warranty runs out.. will stick with bolt tons in the meantime.
The Dinan warranty is a pretty darn good one, at least on paper. Stick with their tuning stuff (the stuff with a warranty attached) and you are not nearly as naked as if you opened up the DME, etc.


Leave some power on the table, but gain some peace of mind...
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      01-17-2017, 06:01 PM   #44
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Isn't this a simple air mass sensor piggy? If so, there is no f*cking with the boost, as you get the same effect by driving at high elevations.
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