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M2 Technical Topics > S55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Dinan S55 (F87 M2C) Flash Pre-Release / Haus Party

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      10-04-2019, 10:39 PM   #45
Kelvin1000
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What are the main differences of the actual tunes between the Dinan Stage 1 and the BM3 Stage 1?

Obviously the approach and some of the add on features are different but I'm interested on the actual performance of the core products.

The torque and horsepower seem to be similar but maybe there is a different approach to the tuning and the power delivery?
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      10-04-2019, 11:48 PM   #46
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Originally Posted by Kelvin1000 View Post
What are the main differences of the actual tunes between the Dinan Stage 1 and the BM3 Stage 1?

Obviously the approach and some of the add on features are different but I'm interested on the actual performance of the core products.

The torque and horsepower seem to be similar but maybe there is a different approach to the tuning and the power delivery?
Interested as well!!
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      10-06-2019, 09:03 PM   #47
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Originally Posted by GassBoy View Post
When will a complete exhaust by Dinan be available for the M2C? Thanks
If you are looking for an exhaust that eliminates the secondary CAT's the answer is never. The "half-back," (seems to be the best description of it) that Dinan has been working on has been plagued by production delays. If its not one thing, its another, so I do not have an estimated release date. Seemingly every estimate I have ever gotten has been wrong so until I see finished product ready to go out the back door I am not going to speculate.
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      10-07-2019, 05:21 PM   #48
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If we make it to the Haus Party event, are we looking at any special pricing on the tunes?
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      10-07-2019, 06:54 PM   #49
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Originally Posted by waldrops View Post
If we make it to the Haus Party event, are we looking at any special pricing on the tunes?
interested in this as well. Would be awesome to make the trip down.
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      10-08-2019, 08:37 AM   #50
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Quote:
Originally Posted by waldrops View Post
If we make it to the Haus Party event, are we looking at any special pricing on the tunes?
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Originally Posted by ufgtrs2007 View Post
interested in this as well. Would be awesome to make the trip down.
Any flash performed here during Haus Party would get a 10% discount off MSRP. We also aren't charging labor.

With specials in mind there is also going to be scratch and dent tent where we will be selling some product that didn't quite make the QC cut so there will be some deals there.

If you are interested in the flashing or the dyno stuff just be sure to register beforehand at bit.ly/HausParty2019.
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      10-12-2019, 04:41 PM   #51
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I never had an issue with anything Dinan on my e90 but I am really angry at this situation. I spent thousands of dollars ( in addition to my full Dinan suspension) this April on the intake and heat exchanger because my dealer said this was needed for the coming Stage3 flash that would give 100 hp gain and would be out "within a few weeks".

My car NEEDED to have the software updated by BMW in June as it had gone into limp mode twice and Apple Carplay never worked consistently. The update fixed everything and of course locked the OBD.

As a Dinan customer who has spent ~ $ 24,000 on 2 vehicles I find the proposed "solutiuon" unacceptable and frankly insulting and in my case larcenous- I would have never made those upgrades if I had been given an honest accounting of the software flash situation.

-If my ECU is "backdated" it seems likely I will once again have buggy software that caused the problems listed above.

- Dinan is saying do not go to BMW. So in order to get the flash I need to forgoe "free" maintanance ( that was certainly included in the price of the car) and forgoe any warrenty claim service at BMW for the next 3 years of the warranty period.

- I am supposed to instead go to my Dinan dealer where I have no service plan or car warranty. My BMW dealer is 5 minutes from my home and 2 minutes from my office. They offer free loaners, shuttle service to home or work and close at 8 PM and have Saturday hours and store my winter wheels and tires. My dealer is 45-60 minutes away is open to 6 pm Mon- Friday and offers none of the services I listed. Quite a sacrifice to keep the software. Frankly not possible with my schedule.

- The idea that I cannot get a warrenty for a tune optimised for the 93 octane gas that is standard in my area is bizzare and insulting.

- If Dinan software engineers cannopt figure out how to break the lockout they need to hire new people NOW to be fair to their customers.

- I recognize that Dinan has a right to choose it's practices and the consumer has the right to react accordingly.I am angry rather than just dissapointed becuase I was lured into buying the intake and HE based on false claims. Disgustingly dishonest practices IMO. Propsed solution is ludicrous and for many customers unrealistic.
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      10-13-2019, 06:57 AM   #52
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Sorry you had to go through this ordeal but it seems more like an issue with your dealer rather than the folks at Dinan...
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      10-13-2019, 10:11 AM   #53
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I can't know that as dealer said he was quoting Dinan at the time. But that only addresses my being lured into wasting a lot of money. It does not address what Dinan ( the company that charged more but made eveything simple and risk free for those of us that want mods that way and were willing to pay more and accept a more modest increase in performance) is saying it's needed to get and keep their software flash- keep away from the dealer, reset your ECU even if it had problems, abandon your free maintanance and warrenty protection- it's insulting IMO. I went to a Dinan ( their top tier) dealer an hour away and rented a car for a week to get the wotk done- it is NOT possible for me to keep returning there (and PAY) if anything goes wrong or I need my snow tires swapped in or out. They need to find a better solution ( as other companies have done).

I guess Steve took somthing with him when he left.

Last edited by jeff4598; 10-13-2019 at 02:37 PM..
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      10-13-2019, 03:42 PM   #54
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there are a few NJ BMW dealers that are also Dinan dealers. i recall taking my 135is to Bridgewater BMW to get the stage 2 flash when it was half off. seeing that you are from NJ, would that have been a better option?
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      10-13-2019, 04:55 PM   #55
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Tuning has always been a cat and mouse game between the aftermarket companies and the manufacturers... Give the tuners some time and they will find a way around the latest DME lock.
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      10-20-2019, 11:07 AM   #56
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Any word back from those who went? How do you like the tune? Did they have the exhaust there for you to see and hear?
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      10-20-2019, 11:08 AM   #57
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And were there any SCH incidents to report?

Last edited by mattssi; 10-20-2019 at 01:53 PM..
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      10-20-2019, 01:04 PM   #58
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Yeah surprised no info posted yet
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      10-21-2019, 10:46 AM   #59
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Quote:
Originally Posted by Bimmer28312 View Post
Hmmm... Dinan E85 or Cary Jordan bm3 E85??? Decisions decisions
I know dynos vary but isn't the Cary Jordan E85 tune like 580 whp?
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      10-21-2019, 10:50 AM   #60
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Quote:
Originally Posted by Dinan_Engineering View Post
If the "problem" you are referring to is not having a warranted E85 map for full power that is simply because we have to be able to control all the variables in order to effectively manage warranty costs. If you have an engine seize because you are running the E85 map on 89 octane --- that shouldn't be our responsibility and we can't control that. Hence why the warrantied files are limited to the lowest common denominator (aka - safest).
By that logic you shouldn't offer a warranty on the 91 file either, what if someone puts in 87 and goes and pushes the motor and it blows up?

Also why is the heat exchange required? I thought the factory air to water intercooler on the S55 was already proven to be sufficient with other high output aftermarket tunes.
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      10-21-2019, 04:24 PM   #61
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By that logic you shouldn't offer a warranty on the 91 file either, what if someone puts in 87 and goes and pushes the motor and it blows up?
Addressed to some degree in post #35. The difference from 87 to 91 and 91 to E85 are markedly different. As are the limits the engine is pushed to for each of those levels hence the break where warranty is deemed acceptable and where it is not.

Quote:
Also why is the heat exchange required? I thought the factory air to water intercooler on the S55 was already proven to be sufficient with other high output aftermarket tunes.
All of our testing has shown that without the heat exchanger the motor derates itself when pushed beyond around 40-50 WHP/TRQ so while you may get a glory run on cold start (or if you are in a cold environment) any consistent load will make advertised numbers unattainable without the upgraded cooler.
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      10-21-2019, 04:54 PM   #62
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So officially is the exhaust axelback or not?? Basically are you able to pair with say the AA midpipe??
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      10-21-2019, 04:55 PM   #63
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Any updates on a possible release date for the exhaust system?
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      10-21-2019, 09:36 PM   #64
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So officially is the exhaust axelback or not?? Basically are you able to pair with say the AA midpipe??
It's a "half-back" for lack of an appropriate term. It connects right after the secondary cats so no it would not interface with the AA midpipe.
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      10-21-2019, 09:36 PM   #65
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Any updates on a possible release date for the exhaust system?
No updates.
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      10-21-2019, 10:38 PM   #66
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Man - I want to hear some reviews of the flash! It's my go-to option for warranty purposes.
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