04-18-2021, 07:03 AM | #199 |
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Fine, I agree. Since I am new to this... dinan is showing stock whp as 311, carbah n as 344. But looking at before and after tune hp/tq gains are 50/63 for dinan and 42/44 for Carbahn. Can I safely assume that even though numbers are different on different dynos, can I safely compare hp/tq gains that way? Carbahn is stating much higher end crank numbers than Dinan, by 61hp... which for me it doesnt make sense.
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04-18-2021, 07:56 AM | #200 |
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Funny how the Carbahn and Dinan tune share the same creator/developer. It’s the same person no?
Probably, just a slight tweak between the 2 tunes. I haven’t looked at the dyno graphs but i believe the Carbahn had less peak hp? Are the power curves similar? |
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04-18-2021, 11:29 AM | #201 | |
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Biggest difference appears to be heat exchanger needed on the Dinan map and warranty being available on Carbahn. Dinan doesn’t appear to warranty their stage one map. |
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04-18-2021, 11:33 AM | #202 |
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04-18-2021, 09:32 PM | #204 | |
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It’s also on their website when you click on the stage 1 tune under the warranty section. https://f87.bimmerpost.com/forums/sh...1&postcount=10 |
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04-19-2021, 07:13 AM | #205 | ||
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04-19-2021, 08:59 AM | #206 |
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i have the Dinan + and think its great as car feels stock and smooth but just MORE when you get on it especially when you start to climb in the revs which is noticeable. What was missing when stock so this wakes up the car perfectly.
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04-19-2021, 09:56 AM | #207 | |||
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Also, have you gotten any new 1/4 mile times yet (or from customers)? Thanks I'm advance! |
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04-19-2021, 10:43 AM | #208 | |
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04-19-2021, 11:46 AM | #209 |
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Simply for liability reasons. We can't gaurantee someone will not run an E85 map with 91 octane and grenade their engine that we would then be liable for.
Do not. Have not seen anything from any customers personally and our test M3 has been in a constant state of "modification" for awhile. As far as I am aware it has not made it to any track since pre-pandemic. Its one of our callibrators personal cars that he is transforming into what may as well be a full blown race car. Even if it did get to a track at this point though I'm pretty sure its so well outside the base Dinan tune (and hardware modifications) it wouldn't be representable. |
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04-20-2021, 08:55 PM | #210 |
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i have been in tuned cars which just don't work with how they deliver the power as Akkando stated earlier. A proper tried and true Flash tune just works and hope all the folks who have their DME locked get the resolution soon as nothing better than a stock feel with just more when you need it.
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04-21-2021, 04:12 PM | #211 |
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FYI, received the following email update from CarBahn:
For the 2021 model year, BMW has modified its computer system to make it more difficult for aftermarket tuners to interact with the car. The team at CarBahn Autoworks has been working around the clock to interact with the 2021 models. We have recently acquired a new tool system that will make it easier for us to tune the 2021 models, but as of right now, we are unsure of when that will be. Once we have managed to interact with the vehicles, the software will come shortly after. The team is also looking into other solutions of tuning, such as performance ECU, to work on the 2021 platform. |
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04-22-2021, 09:40 AM | #212 | |
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I have made more pulls in the same place, It do not want to show where is in a map for obvious reasons but it is a straight of 100 meters long then a wide bend (3 lanes wide) uphill continued by a 300 meters straight uphill. The inclination is high (10%). You need to be very progressive with the pedal or the car will fight for traction until 4th gear while in the bend. The next time I will go with 255/275, or wider if the wheels permitted it with Goodyear Supercar3
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04-22-2021, 10:10 AM | #213 |
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sounds like fun
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04-22-2021, 01:53 PM | #214 |
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Dinan and Carbahn are not the same company and do not share the same software engineers
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04-23-2021, 09:36 AM | #216 |
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04-23-2021, 09:39 AM | #217 | |
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04-23-2021, 10:27 AM | #218 |
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What about it less agressive? There really is no magic to stage 1, they are all almost identical. Stage 1 Carbhan nets you around 500 whp, just like the other tunes. There's a post earlier in this thread with dyno numbers.
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04-23-2021, 01:05 PM | #219 |
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To be clear the hardware requirement/reccommendation for Dinan+HE (and the higher level stage 1 octanes) is there for the consumers own benefit. Could you make that power without the heat exchanger -- sure... for a single pull. After that though the factory safegaurds derate the power in order to protect the engine. Could turn those nannies off but then why would we warrant a tune that is effectively playing with fire? The heat exchanger is required so you can achieve advertised power consistently and safely and not just for a single glory run.
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05-03-2021, 12:42 PM | #220 | |
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Quoting this here...and to say I'm really sorry this happened to you man. Unfortunately, CarBahn is not active on BP, so I don't think they will respond. At least Dinan is somewhat active though...so maybe that should be a factor in deciding between the two.
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