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Stage 1 curves and questions

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There's been a while I'm thinking about a stage 1 remap, but as I've written before, there is a lack of famous tuners around here (REVO, APR), although it may just be that there are good ones but that are only popular in France.

So, the choice I have so far is the guys from BR-Performance. Now, in APR's website they appear as a dealer of them, but when I contacted them to ask whether they apply the actual APR Stage 1 map or not, they replied they have developped their own... Well I guess I'll never know if it's actually their own map or a re-badged APR one but the curves seem to be a bit different between theirs and APR's. So there you go:

14tsi_twin_160_180_s0_vs_s1_98ron_cc.gif

Huge Torque of around 340 Nm and 212 bhp horsepower

Now BR's graph:

seatibizacupratsi180hpg.jpg

Horsepower is close with 208.4 BHP but the torque difference is a lot, 290 Nm, which is half the increase (counting from stock) compared to the 340 Nm of APR.

In APR's graph I see that the max torque is only maintained during a very short rev range say 3100-3500 while at BR the torque stays pretty much the same between 2500-4500 (with a few ups and downs). To be fair, in their website they state that torque is deliberately limited to 290 Nm for protection of the DSG box so I guess that's why it doesn't go higher.

Also, the power of the APR looks to be constantly going up until the rev limiter at 6700, while BR's peaks at 6000.

Now the thoughts I have are: Is the torque limit something that I should accept since I am not looking for ultimate performance but reliability as well? How have DSG's coped with torques more than 300 Nm so far? I've seen higher figures but maybe the time has not come yet for them to show the increased wear? After all, nobody has done say 60K miles on a stage 2 or stage 1 car yet... And how about the power curve of BR? It certainly looks inferior in terms of available rev range... Is it just that the BR's is a more conservative remap as a whole or are there other things as well which I haven't noticed which don't look good?

Theres no way APR would allow anyone to rebrand their software so i guess they have two options available to them. Remember, if a tuning company deals with someone like REVO/APR as well as their own software, then they will always make ALOT more profit with their own software so its in their best interest to sell their own.

In APR's graph I see that the max torque is only maintained during a very short rev range say 3100-3500 while at BR the torque stays pretty much the same between 2500-4500 (with a few ups and downs).

Looking at the torque difference, there would be a massive difference in everyday performance due to the extra midrange and thats where you car is working 90% of of its driven life.

I wouldnt worry about that plateau with the BR map, it has a plateau because its not making much torque to start with. Also bear in mind the BR map doesnt peak(290Nm/213lbft)until over 4000rpm which is strange to start with as these cars pick up boost and torque very very early, The APR doesnt drop that low until about 5000rpm!!

The amount of area under APRs power and torque curves is much larger, and more greater area under the curve = greater acceleration. The midrange is pretty much 10-20hp lower as well which is substantial to say the least.

To be fair, in their website they state that torque is deliberately limited to 290 Nm for protection of the DSG box so I guess that's why it doesn't go higher

Theres no issues with 213lbft at all on this gearbox. Ive been running around 270lbft for agaes, just as Hurdy did with his. Pretty much all the stage 1 and 2 REVO/Shark/APR/Jabbasport cars make 230-250lbft peak at about 3000rpm.

IMO, that map lacks the midrange of the current options released by the major VAG players like Shark, APR, REVO, Jabbasport etc

Before you take the plunge, also consider the stage 2 upgrade prices. APR dont charge for upgrades to stage 2. Some companies charge £50-100 for the privilege, other smaller companies charge a full remap price again!!!

Sy

  • Author

That's right. Midrange gain is my main interest and that is why I'm having second thoughts about BR. I don't care if the ultimate numbers are lower but I'm afraid they are also less usable for everyday driving. Surely given the conditions I will rev it up to 7K as I have had at some occasions but the rest of the time, I think I won't see as much of an improvement when I just want to do say a quick overtake or a 50-100 sprint...

So I think I may have to look further... Especially since the price is around £550...

There's been a while I'm thinking about a stage 1 remap, but as I've written before, there is a lack of famous tuners around here (REVO, APR), although it may just be that there are good ones but that are only popular in France.

So, the choice I have so far is the guys from BR-Performance. Now, in APR's website they appear as a dealer of them, but when I contacted them to ask whether they apply the actual APR Stage 1 map or not, they replied they have developped their own... Well I guess I'll never know if it's actually their own map or a re-badged APR one but the curves seem to be a bit different between theirs and APR's. So there you go:

14tsi_twin_160_180_s0_vs_s1_98ron_cc.gif

Huge Torque of around 340 Nm and 212 bhp horsepower

Now BR's graph:

seatibizacupratsi180hpg.jpg

Horsepower is close with 208.4 BHP but the torque difference is a lot, 290 Nm, which is half the increase (counting from stock) compared to the 340 Nm of APR.

In APR's graph I see that the max torque is only maintained during a very short rev range say 3100-3500 while at BR the torque stays pretty much the same between 2500-4500 (with a few ups and downs). To be fair, in their website they state that torque is deliberately limited to 290 Nm for protection of the DSG box so I guess that's why it doesn't go higher.

Also, the power of the APR looks to be constantly going up until the rev limiter at 6700, while BR's peaks at 6000.

Now the thoughts I have are: Is the torque limit something that I should accept since I am not looking for ultimate performance but reliability as well? How have DSG's coped with torques more than 300 Nm so far? I've seen higher figures but maybe the time has not come yet for them to show the increased wear? After all, nobody has done say 60K miles on a stage 2 or stage 1 car yet... And how about the power curve of BR? It certainly looks inferior in terms of available rev range... Is it just that the BR's is a more conservative remap as a whole or are there other things as well which I haven't noticed which don't look good?

Hello newbie69--

Please allow me to shed some light on the situation. BR Performance is a two-part company that operates simultaneously out of France and Belgium. They are also their own remap engineering firm. As you can see by the graphs provided, their calibration strategy is different than ours. Unfortunately their branch in France has chosen to push their products instead of ours, so we now only deal with their branch in Belgium; We simply haven't updated the website to remove this location for APR product referrals. I've already submitted a request to do so and apologize for any confusion.

So how do you get APR products in France now? Easy! I can put you in contact with our on-site APR representative (he's French) who is currently working with us to develop the French market. We will also be touring France soon and he will be able to arrange a meet with us if he cannot flash you immediately. Hopefully you find one of these solutions satisfactory. If you don't want to wait, you can always travel to our importer in any of the neighbouring nations.

Please email me your information at [email protected] and I'll get things in motion to get you some APR power! If you have any other questions call, write, email, etc. and I'll be happy to help.

Makes more sense. Problem solved.

  • Author

Yes, that sounds really interesting, thanks for your prompt reply Evan, I'll be in touch soon...

Edited by newbie69

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