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View Poll Results: Best tune for DISA 128i
Evolve 16 59.26%
Active Autowerke 4 14.81%
Local German Tune 7 25.93%
Voters: 27. You may not vote on this poll

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      01-30-2014, 12:26 PM   #67
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Quote:
Originally Posted by Pothole View Post
If the 128i's only difference from the 125i is the DISA (which I think it is) I would definitely advise you to go German. Virtually every tuner is guaranteeing 272 crankHP. I did it in Holland and I did 228HP at the wheels through auto tranny on worn rear tires and on a hot day.

Go and make those calls man! There is absolutely nothing to lose!
I don't know if the 125i has the disa from the factory. The tuners I've talked to stated they had done tunes on disa swaps from the factory. The BMW site says the 125i has the same engine as the 130i, but it's de-tuned to 215hp. If that's the case it's a de-tuned, disa swapped 128i and I should make the same or more power than a 130i. The tuner I was looking into has tuned a 130i to 281hp at the flywheel ( he doesn't have the dyno) so it's speculation to me. So theoretically my disa swapped 128i should make alittle less power than a tuned 130i due to the restrictive manifolds.m
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      01-30-2014, 12:31 PM   #68
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Quote:
Originally Posted by Obioban View Post
So...

AA with secondary cats removed and 93 octane
vs
Evolve with standard catted exhaust and 91 octane

Both make very similar power... and Evolve is crap?

I'll have what you're drinking!
I guess you're not only on drugs, but you can't read -

Quote:
no secondary cat & no resonator exhaust into 135i stock muffler
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      01-30-2014, 12:48 PM   #69
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Quote:
Originally Posted by TheAxiom View Post
I live on the opposite end of the USA compared to OE tuning - I still made power, but not as much as advertised.

I don't care what Evolve has done, I care what they are doing - that tune isn't impressive for the work done on THIS platform.

Do you know WHY I went with OE instead of AA? My old M52TU Z3 had a SHARK INJECTOR flash - one of the oldest reflashes on the market. AA is known in BMW circles for years, including not just software tunes, but hardware like exhaust and superchargers. If someone knows something about tuning, it would surely be them, right? When a member compared AA's tune vs the Shark on a full bolt on car (including Shrick Camshafts) the Shark put down more power at every RPM. Why did I change my mind? Active hasn't been shy about dynos or support (which is based here in the USA) and unlike Evolve, they actually show gains in independent dynos - I'm convinced they are the best tuner on this platform until I can see some verification otherwise.
I'm not looking to make this into a comparison with Active(who I like for a number of reasons), but I'm pretty sure one of the primary reasons 623128i regrets his AA purchase was that he was told to go away when he sought support for his tune.

I had a Shark on my full bolt on S52 as well. I remember when the S54 came out Conforti, creator of the Shark, said there was 2-4hp left on the table from the factory. That was the nature of S54 for a long time until Evolve changed the game. From what I've seen since both in person and across forums is that that level of competency does not change based on platform for them, something that isn't usually seen for a tuner. Hence why it would be the outlier for them if there tune for the N52 was equivalent to the PBX(a statement I find amusing as my throttle wasn't changed in the slightest).

Bottom line, I guess I need to make getting a dyno a priority.
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      01-30-2014, 12:50 PM   #70
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Pretty sure Epic Tuning makes more power than Evolve on the S54 - I'm actually positive.
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      01-30-2014, 12:51 PM   #71
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Quote:
Originally Posted by TheAxiom View Post
Pretty sure Epic Tuning makes more power than Evolve on the S54 - I'm actually positive.
I never said they made the most there? And I can't say I'm that plugged into S54 tuning currently to know who makes what.
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      01-30-2014, 12:58 PM   #72
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Quote:
Originally Posted by Sinister_1 View Post
I don't know if the 125i has the disa from the factory. The tuners I've talked to stated they had done tunes on disa swaps from the factory. The BMW site says the 125i has the same engine as the 130i, but it's de-tuned to 215hp. If that's the case it's a de-tuned, disa swapped 128i and I should make the same or more power than a 130i. The tuner I was looking into has tuned a 130i to 281hp at the flywheel ( he doesn't have the dyno) so it's speculation to me. So theoretically my disa swapped 128i should make alittle less power than a tuned 130i due to the restrictive manifolds.m
I have the dips on the powercurve. Should suggest DISA.

I think your engine is restricted by tune, manifold and headers whilst mine is (was) heavily restricted by the tune and also the headers. My headers look exactly the same as the 128i's.

So tell me, the guys who will dyno your car.. Do they also tune? What kind of discussions did you have?
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      01-30-2014, 01:06 PM   #73
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Quote:
Originally Posted by Pothole View Post
I have the dips on the powercurve. Should suggest DISA.

I think your engine is restricted by tune, manifold and headers whilst mine is (was) heavily restricted by the tune and also the headers. My headers look exactly the same as the 128i's.

So tell me, the guys who will dyno your car.. Do they also tune? What kind of discussions did you have?
The shop that does the tune( individual car design) doesn't have an in house dyno, but he gets his dyno's done at DC Autosport in Nuremberg. Here is a dyno showing his tune on a stock 125i. He said the 130i DISA swapped 128i will make alittle more than a stock 130i, but he's basing that off of a 125i tune. Check your intake manifold right above the throttle body. If you have a black box mounted above your throttle body with a electronic connection, then you have disa. See attached image.
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      01-30-2014, 01:12 PM   #74
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This is the disa pothole.
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      01-30-2014, 01:36 PM   #75
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Quote:
Originally Posted by Sinister_1 View Post
This is the disa pothole.
Ok so my image of a DISA was completely off... I have 6 tubes going to the block..

Edit: No wait, the box should be under the manifold right? Check stigs thread on the manifold. It looks different than the pic you just attached.

Again an edit: I looked it up on a German forum and I do have the DISA. However, it is restricted to being 2 staged. A tune gets it to full 3 stage. This is BTW if I translate it correctly. You speak german by any chance? :P

Last edited by Pothole; 01-30-2014 at 01:48 PM..
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      01-30-2014, 01:41 PM   #76
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Quote:
Originally Posted by Pothole View Post
Ok so my image of a DISA was completely off... I have 6 tubes going to the block..

Edit: No wait, the box should be under the manifold right? Check stigs thread on the manifold. It looks different than the pic you just attached.
No it's the same. There is on on the front and the back of the manifold. This is the top, the part you see.
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      01-30-2014, 01:43 PM   #77
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This is the back side, you can't see this side when it's installed. You can see the second DISA valve. The first pic was the front were the intake tube from the air filter box attaches to the throttle body. If you don't have these boxes, front and back, you don't have a DISA manifold.
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      01-30-2014, 01:51 PM   #78
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Quote:
Originally Posted by Sinister_1 View Post
This is the back side, you can't see this side when it's installed. You can see the second DISA valve. The first pic was the front were the intake tube from the air filter box attaches to the throttle body. If you don't have these boxes, front and back, you don't have a DISA manifold.
This is what I found:

Ich fasse kurz zusammen, wie ich als Techniker aber nicht aus dem Automobilbereich es verstehe:

Wie es laut ETK aussieht, sind bis auf dieses (wahrscheinlich zweitrangige) Resonanzrohr alle Teile identisch. Die Stellmotoren für die DISA sind hardwareseitig beim 125i zwar 3-stufig verbaut, werden aber nur 2-stufig (oder sogar nur 1-stufig?) per Software angesteuert.

According to me it says: I have the DISA but it's been restricted to 2 stage by software.
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      01-30-2014, 01:52 PM   #79
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Quote:
Originally Posted by Pothole View Post
This is what I found:

Ich fasse kurz zusammen, wie ich als Techniker aber nicht aus dem Automobilbereich es verstehe:

Wie es laut ETK aussieht, sind bis auf dieses (wahrscheinlich zweitrangige) Resonanzrohr alle Teile identisch. Die Stellmotoren für die DISA sind hardwareseitig beim 125i zwar 3-stufig verbaut, werden aber nur 2-stufig (oder sogar nur 1-stufig?) per Software angesteuert.

According to me it says: I have the DISA but it's been restricted to 2 stage by software.
If you have a 125i, you have a DISA manifold, plain and simple.
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      01-30-2014, 01:54 PM   #80
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Quote:
Originally Posted by TheSt|G View Post
If you have a 125i, you have a DISA manifold, plain and simple.


Thank you Stig!
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      01-30-2014, 02:01 PM   #81
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Well that's good news! Once I get the tune, which I'm still leaning toward evolve ( based on recommendations here and from friends in the m3 flight club) and once I install the tune and manifold I will have it dyno'd. Then we will know exactly how much usable power this swap makes on a stock 128i. Not that I want to experiment with 900 bucks, so Stig get that dyno up so I can make a somewhat educated guess before I hit the buy button.
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      01-30-2014, 02:02 PM   #82
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Quote:
Originally Posted by Sinister_1 View Post
Well that's good news! Once I get the tune, which I'm still leaning toward evolve ( based on recommendations here and from friends in the m3 flight club) and once I install the tune and manifold I will have it dyno'd. Then we will know exactly how much usable power this swap makes on a stock 128i. Not that I want to experiment with 900 bucks, so Stig get that dyno up so I can make a somewhat educated guess before I hit the buy button.
Yeah, I'm in the process of trying to find a reasonable facility. A lot of the dynos around me seem to want $200 a pull.
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      01-30-2014, 02:14 PM   #83
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Originally Posted by TheSt|G View Post
Yeah, I'm in the process of trying to find a reasonable facility. A lot of the dynos around me seem to want $200 a pull.
I'm looking forward to it.
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      01-30-2014, 02:34 PM   #84
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Quote:
Originally Posted by Sinister_1 View Post
Well that's good news! Once I get the tune, which I'm still leaning toward evolve ( based on recommendations here and from friends in the m3 flight club) and once I install the tune and manifold I will have it dyno'd. Then we will know exactly how much usable power this swap makes on a stock 128i. Not that I want to experiment with 900 bucks, so Stig get that dyno up so I can make a somewhat educated guess before I hit the buy button.


You're right, it's your money.
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      01-30-2014, 05:56 PM   #85
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To remind people of my tune's dyno issues:
150 km since the flash, under 24 hours, same oil but 3 months older, no intake, stock filter.
My dyno used "94" octane from Petro Canada. This is just 91 + cleaning detergent. The Shell 91 gas feels alot better than Petro back to back. Especially with the Eurobox.

The AA tune of e90 328ix of Desi4life10 on the same dyno as me, dyno'd pretty much the same: with limited gains above Disa only. He had an intake & used the "94" Petro gas. I dont know how many months apart his dyno was.

The only mystery tune left - that is remote is P-torque. They are still having a sale on babybmw
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Last edited by andrey_gta; 01-30-2014 at 06:02 PM..
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      01-30-2014, 08:09 PM   #86
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Quote:
Originally Posted by Obioban View Post
So...

AA with secondary cats removed and 93 octane
vs
Evolve with standard catted exhaust and 91 octane

Both make very similar power... and Evolve is crap?

I'll have what you're drinking!
Secondary cat(200 Cel) removal does little to nothing in terms of power. It makes more noise and slightly increases air flow post 02's.

Don't forget Octane rating is resistance of detonation, so unless it is seriously hot out the difference between 91 and 93 will be very small. Plus you factor the tolerance level for each octane isn't precisely 91 or 93 octane.
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      01-30-2014, 08:10 PM   #87
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Quote:
Originally Posted by Sinister_1 View Post
The shop that does the tune( individual car design) doesn't have an in house dyno, but he gets his dyno's done at DC Autosport in Nuremberg. Here is a dyno showing his tune on a stock 125i. He said the 130i DISA swapped 128i will make alittle more than a stock 130i, but he's basing that off of a 125i tune. Check your intake manifold right above the throttle body. If you have a black box mounted above your throttle body with a electronic connection, then you have disa. See attached image.
What type of dyno are they using?
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      01-30-2014, 08:12 PM   #88
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My dyno was in the winter months. Evolve= Feb, Disa - Nov/Dec

Shell 91 is the only one locally to me that does not have the label - up to 15% ethanol
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