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    Thread: 2018 Tiguan - APR flash?

    1. Member gti_addict's Avatar
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      06-29-2020 12:42 PM #601
      Quote Originally Posted by AkiraSieghart View Post
      I can't see why anyone would go for any specialty fuel like e85 or 95+ octane fuel considering it's not much of a difference in HP/TQ and it won't be possible to change fuel maps without shipping the ECU back to APR. Either the availability, the price of said fuel, or the availability turns me off of the idea.
      How is e85 not much of a difference, the graph looks like it's a pretty high increase over 87, 91, and 93. I can see that availability could be an issue for some, but e85 price usually runs around 50 cents cheaper than 87 and close to $1 cheaper than 91.

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    3. Junior Member
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      06-29-2020 01:24 PM #602
      I’m curious about the e85 file. I’m assuming they can do this because the Tiguan demands less fuel than the other 2.0’s? Either way I’m glad something is coming out. My only complaint with my wife’s 19 would be the lack of power.

    4. 06-29-2020 04:04 PM #603
      Quote Originally Posted by gti_addict View Post
      How is e85 not much of a difference, the graph looks like it's a pretty high increase over 87, 91, and 93. I can see that availability could be an issue for some, but e85 price usually runs around 50 cents cheaper than 87 and close to $1 cheaper than 91.
      E85 is cheaper because it contains less energy than plain gasoline. it has higher octane and the alcohol also has a faster flame speed but less energy. That means you need more alcohol mass per unit air for the same output compared to gasoline.

    5. Member gti_addict's Avatar
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      06-29-2020 04:11 PM #604
      Quote Originally Posted by gerardrjj View Post
      E85 is cheaper because it contains less energy than plain gasoline. it has higher octane and the alcohol also has a faster flame speed but less energy. That means you need more alcohol mass per unit air for the same output compared to gasoline.
      I understand the difference in e85, my response was to the statement that e85 did not make much difference and costs more. Both of which are not true statements, it costs less and provides more hp at a cost of MPG. Now the availability can be a factor for some, but it does outperform regular gasoline octanes.

    6. 06-29-2020 04:28 PM #605
      Quote Originally Posted by gti_addict View Post
      I understand the difference in e85, my response was to the statement that e85 did not make much difference and costs more. Both of which are not true statements, it costs less and provides more hp at a cost of MPG. Now the availability can be a factor for some, but it does outperform regular gasoline octanes.
      I'm aware that e85 is generally lower in price, but availability would still have me concerned. I personally don't see the extra ~20HP/20TQ worth the decrease in MPG from 93 but that's just me. I take a lot of trips with my Tiguan--hell, I relocated from NJ to SoCal and drove my Tiguan to do it. I feel like if you tune your Tiguan to a specialty fuel like e85 or 94+, long trips become impossible without having to ship your ECU back to APR to change the fuel map. I mean, e85...what would expect to get; ~14-18 MPG?

    7. Member
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      06-29-2020 04:53 PM #606
      Will running 92 on a 93 tune be an issue? I don't have 91 0r 93 where I live.

      Sent from my GM1917 using Tapatalk

    8. 06-29-2020 06:50 PM #607
      Quote Originally Posted by Rtdave87 View Post
      Will running 92 on a 93 tune be an issue? I don't have 91 0r 93 where I live.

      Sent from my GM1917 using Tapatalk
      I personally wouldn't--especially not on an engine with FI. It's all going to depend on the quality of the 92 gas that you use, but using <93 on a 93 tune is not going to be something that any tuner ever recommends. I retuned my Corvette that was tuned for 93 down to 91 because I moved to SoCal where 93 doesn't exist. I've seen a lot of people claim that SoCal's 91 is basically no different from 93 but again, I wouldn't trust it. Worst comes to worst, you send your ECU in and get it tuned for 93 and the 92 in your area causes stuttering and knocking at WOT and you need to re-send your ECU and have it changed to 91.

    9. Junior Member
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      06-29-2020 06:58 PM #608
      Quote Originally Posted by Rtdave87 View Post
      Will running 92 on a 93 tune be an issue? I don't have 91 0r 93 where I live.

      Sent from my GM1917 using Tapatalk
      running 92 on a 91 tune would be prob be the safer bet, or run 50/50 of 91 and 93 to get your 92.

    10. Member
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      06-29-2020 07:07 PM #609
      Quote Originally Posted by blueimp View Post
      running 92 on a 91 tune would be prob be the safer bet, or run 50/50 of 91 and 93 to get your 92.
      I dont have 91 0r 93 only 87,89,92

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    11. 06-29-2020 07:12 PM #610
      Quote Originally Posted by Rtdave87 View Post
      I dont have 91 0r 93 only 87,89,92

      Sent from my GM1917 using Tapatalk
      That's why you'd use 92 on a 91 tune.

    12. n00b
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      06-29-2020 07:40 PM #611
      Yeah it really comes down to intended usage. I have a track/weekend canyon car that I converted to e85. Makes a nice difference in power and a huge reduction in knock at track temps. Since the car is mainly driven locally, e85 availability is not an issue.

      On the Tiguan, being our family hauler, I'd only consider it if map switching was available. Otherwise I wouldn't run it. But if someone was using their Tiguan as a local runabout with a lot of e85 available, I could see it being feasible.

      The real solution is to make e85 available nationwide!

    13. Member joszer's Avatar
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      06-30-2020 02:55 AM #612
      Quote Originally Posted by AkiraSieghart View Post
      Quote Originally Posted by gti_addict View Post
      I understand the difference in e85, my response was to the statement that e85 did not make much difference and costs more. Both of which are not true statements, it costs less and provides more hp at a cost of MPG. Now the availability can be a factor for some, but it does outperform regular gasoline octanes.
      I'm aware that e85 is generally lower in price, but availability would still have me concerned. I personally don't see the extra ~20HP/20TQ worth the decrease in MPG from 93 but that's just me. I take a lot of trips with my Tiguan--hell, I relocated from NJ to SoCal and drove my Tiguan to do it. I feel like if you tune your Tiguan to a specialty fuel like e85 or 94+, long trips become impossible without having to ship your ECU back to APR to change the fuel map. I mean, e85...what would expect to get; ~14-18 MPG?
      You guys forget that APR allows you to flash MULTIPLE tunes onto the ECU. You can choose which Tune to load up using the cruise control stalk before you turn on your car. I did this with my Golf R and now current RS3. I run 91, E85, and Stock tunes on my RS3. To switch between them is just a flick of a button before turning on the car. You could easily flash in a 87, 91, 93, and E85 tune into the ECU.

      That's if they support map switching for this ECU which I hope to God they would.

    14. 06-30-2020 09:12 AM #613
      Quote Originally Posted by joszer View Post
      You guys forget that APR allows you to flash MULTIPLE tunes onto the ECU. You can choose which Tune to load up using the cruise control stalk before you turn on your car. I did this with my Golf R and now current RS3. I run 91, E85, and Stock tunes on my RS3. To switch between them is just a flick of a button before turning on the car. You could easily flash in a 87, 91, 93, and E85 tune into the ECU.

      That's if they support map switching for this ECU which I hope to God they would.
      I'm hoping so too but since Arin didn't clarify (nor has he chimed in), I'm preparing myself for a no. Not to mention that from what I can find, the B9 3.0 ECU from Audi, which was also very locked down and requires the ECU to be sent in or to be cracked from a dealer, does not support map switching which isn't a good sign.

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      06-30-2020 01:38 PM #614
      Quote Originally Posted by gti_addict View Post
      How is e85 not much of a difference, the graph looks like it's a pretty high increase over 87, 91, and 93. I can see that availability could be an issue for some, but e85 price usually runs around 50 cents cheaper than 87 and close to $1 cheaper than 91.
      E85 usually costs more to run per mile though, which in the end is what really matters. And even if availability isn't an issue locally, it can be if you want to do a long drive, which I imagine many people with Tiguans do. E85 just seems like a lot of hassle for no reason
      Quote Originally Posted by QUIRKiT View Post
      I spent my entire season budget during the off-season on go fast parts, so now I'm wishing I hadn't and had saved a little so I could buy a sim rig.

    16. Member VWturbonium's Avatar
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      06-30-2020 02:45 PM #615
      Quote Originally Posted by CTK View Post
      E85 usually costs more to run per mile though, which in the end is what really matters. And even if availability isn't an issue locally, it can be if you want to do a long drive, which I imagine many people with Tiguans do. E85 just seems like a lot of hassle for no reason

      Maybe vs. 87 octane. Around where I am E85 is like 60% the cost of 93.
      The extra torque and smoother power delivery(usually the ECU doesn't have to mess around with timing on a good E tune) will be worth it to a lot of people. Also encouraging that the fuel system can handle full E85 on the stock turbo, people that upgrade to IS20's or IS38's should be able to run ~E30 blends and have a decent amount of headroom.

    17. n00b
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      Yesterday 12:56 AM #616
      I wanna flash my Tiguan, I just got it yesterday and have 97 miles. I値l wait until after 1000 to be safe. However, I need some guidance as to which is the best bang for the buck from those who have experience with this platform. I知 going to read through this entire thread, but any help appreciated!

    18. Member
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      Yesterday 01:18 AM #617
      Quote Originally Posted by TickTockTiggy View Post
      I wanna flash my Tiguan, I just got it yesterday and have 97 miles. I値l wait until after 1000 to be safe. However, I need some guidance as to which is the best bang for the buck from those who have experience with this platform. I知 going to read through this entire thread, but any help appreciated!
      The TLR is the flash hasn't been released yet

      Sent from my ONEPLUS A6013 using Tapatalk

    19. Member
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      Yesterday 01:53 PM #618
      Quote Originally Posted by TickTockTiggy View Post
      I wanna flash my Tiguan, I just got it yesterday and have 97 miles. I値l wait until after 1000 to be safe. However, I need some guidance as to which is the best bang for the buck from those who have experience with this platform. I知 going to read through this entire thread, but any help appreciated!
      You have zero options right now besides jb4 or a neuspeed power module. Unitronic and apr are supposedly close but neither have released a tune yet.


      Sent from my iPhone using Tapatalk

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      Yesterday 02:06 PM #619
      Quote Originally Posted by VWturbonium View Post
      Maybe vs. 87 octane. Around where I am E85 is like 60% the cost of 93.
      The extra torque and smoother power delivery(usually the ECU doesn't have to mess around with timing on a good E tune) will be worth it to a lot of people. Also encouraging that the fuel system can handle full E85 on the stock turbo, people that upgrade to IS20's or IS38's should be able to run ~E30 blends and have a decent amount of headroom.
      Are people really gonna be upgrading their turbos and the like on their warranty'd family haulers? Seems extreme and unlikely. We're talking about a 3800-3900lb family crossover here, not a hot hatch.
      Quote Originally Posted by QUIRKiT View Post
      I spent my entire season budget during the off-season on go fast parts, so now I'm wishing I hadn't and had saved a little so I could buy a sim rig.

    21. Member
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      Yesterday 02:27 PM #620
      Quote Originally Posted by CTK View Post
      Are people really gonna be upgrading their turbos and the like on their warranty'd family haulers? Seems extreme and unlikely. We're talking about a 3800-3900lb family crossover here, not a hot hatch.
      Whatever it takes to get to the limit of what the transmission will hold.

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    22. Junior Member
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      Yesterday 02:34 PM #621
      Quote Originally Posted by Rhodyvr6 View Post
      You have zero options right now besides jb4 or a neuspeed power module. Unitronic and apr are supposedly close but neither have released a tune yet.


      Sent from my iPhone using Tapatalk
      Most people are waiting for Unitronic and APR (myself included) but there is the MTM tune that at least one other person on the forums has tried.

    23. Member
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      Yesterday 02:50 PM #622
      Quote Originally Posted by Sopey15 View Post
      Most people are waiting for Unitronic and APR (myself included) but there is the MTM tune that at least one other person on the forums has tried.
      Solid point I forgot about MTM!


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    24. n00b
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      Yesterday 10:41 PM #623
      You have zero options right now besides jb4 or a neuspeed power module. Unitronic and apr are supposedly close but neither have released a tune yet.[/QUOTE]

      Most people are waiting for Unitronic and APR (myself included) but there is the MTM tune that at least one other person on the forums has tried.[/QUOTE]

      Yeah I realized the tune was still under development after reading more into it. I’m excited to be able to have the option coming

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      Today 02:41 AM #624
      Quote Originally Posted by CTK View Post
      Are people really gonna be upgrading their turbos and the like on their warranty'd family haulers? Seems extreme and unlikely. We're talking about a 3800-3900lb family crossover here, not a hot hatch.
      Yes, much like the B5 Passat sedan was just a family sedan. Once people found out what they could do with upgrades, it became pretty popular. You will have some early modders who push the engine as much as possible. Someone already has a billet IS38 turbo installed. I expect the GTI's IS20 would be popular upgrade over the mini IS20 in the Tiguan.
      2019 Tiguan SE 4Mo Orange, temporarily stock. 2001 Passat 4Mo wagon, 1.8T/6sp swapped, Konis, coilover sleeves, A6Q H+R Race springs.
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