01-12-2017, 10:14 AM | #23 | |
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I've spoken with some of the "experts" about the setup, and to answer your questions: - the big turbo will not yield any gains unless you run it with proper tuning (DINANTRONICS Performance Tuner Stage 2) and in conjunction with the larger intercooler (otherwise it will heat soak & pull timing) - so the Dinantronics Sport simple tuner will have to go |
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01-12-2017, 10:17 AM | #24 |
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01-12-2017, 10:32 AM | #26 |
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Im convinced the car doesn't need a big turbo setup.
Turbo can hit higher boost without the restriction of the factory DP. The boost controller can get you there. On top of that the ECU as-is can easily keep up with the changes. Smooth delivery all the way out. |
01-12-2017, 10:36 AM | #27 |
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I'm sure you've got a great setup there. But the stock turbo is maxed out. It's gonna heat soak when the temps outside are above 80 degrees running it with the sport tuner.
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01-12-2017, 11:01 AM | #28 | |
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Im optimistic that I dont need an intercooler with this setup. If turbo was maxxed out, why am I able to consistently hit MUCH higher boost targets? I just dont believe it and of course dinan says its maxxed out they dont mess with DP. This setup seems to be exactly what the "fast" M2's run at the ring. Just a boost controller and a DP, either small cat or catless. In those vids, those cars do not heat soak. Im not a believer its maxxed with my experience. |
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01-12-2017, 11:58 AM | #29 |
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Let me start this reply by saying I really do hope that you get all that you expect out of your setup! I am not trying to be Debbie Downer over here
But... I don't understand how a different catted downpipe is going to help with alleviating engine heat soak? It can help with exhaust flow, faster spool, etc. I believe the reason Dinan doesn't offer a reduced cell catted DP is because there is a much greater chance the it would generate a CEL, and that would cause many more warranty service issues for them. When I say the stock turbo is maxxed out, I don't mean that it can't make more boost. I mean it's running outside of it's designed efficiency range (which I am not going to attempt to explain here). With the dinan tuner you have, you're making the turbo work harder, and it's going to generate more heat, more often, and heat soak the engine. This will be VERY apparent on hot days, or during prolonged heavy foot driving, especially if you have to wait at traffic lights in between pulls. You might be making more boost, but you're also blowing much hotter air into the intake. That's why the larger intercooler is necessary for any mods like this. Regarding the track car videos, I've never seen them, nor do I know what setups the cars are using. I do know that track driving and street driving are very different. I can say that on a track, you have constant, unimpeded, fast flowing air traveling through your intercooler. This helps tremendously with keeping the IAT's down, avoiding heat soak, and in turn reducing the chance of the ECU pulling timing. Again, I'm not trying to have an argument with you here, just sharing what I've learned from both owning turbo cars, and from what I've been told by trustworthy sources. Last edited by switlikbob; 01-12-2017 at 12:05 PM.. |
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01-12-2017, 12:16 PM | #30 |
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Interesting OP, going to go thru the entire topic again and read more in detail.
Thanks for sharing this info.
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01-12-2017, 01:17 PM | #32 |
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Ive had a few turbo cars myself.....
less restriction=less heat generation. Maybe I will need further cooling. But this is a DD car. I prob wont track it very much. |
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01-12-2017, 01:25 PM | #33 |
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01-15-2017, 09:02 PM | #34 |
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Does the Dinan 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 |
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01-16-2017, 11:13 AM | #36 |
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I'm seriously considering this DP. Another 15-20 whp with even more enhanced sound would be awesome.
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01-16-2017, 11:17 AM | #37 |
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Go for it
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01-16-2017, 11:19 AM | #38 | |
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For the Dinan Sport, even Dinan warranty does not apply.
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01-16-2017, 11:25 AM | #39 |
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01-16-2017, 11:38 AM | #40 | |
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But, when the dealer installs your Dinan stuff, and there is a warranty issue, the dealer fixes it. In my scenario, the BMW dealer is the Dinan certified installer. |
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01-16-2017, 11:44 AM | #41 | |
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Even if your dealer is Dinan certified, when something breaks down that is not covered by BMW your dealer will go back to Dinan and get their approval based on their warranty which is different than BMW one. They might still fix it and everything goes great, but it is misleading to say that you keep your BMW warranty when going with Dinan thats all
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01-16-2017, 12:02 PM | #43 | |
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If Dinan does not fix your car because they say it is not covered by their terms and conditions, you will not be able to go to BMW USA and complain. Now you have to pay out of your own pocket.
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01-17-2017, 03:42 AM | #44 |
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This Dinan tuner how is it installed? And will it delete the CEL for catless? It's a daily so just fmic intske exhaust really what I plan on keeping it at
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