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BMW M5 F90 (2018+) General Forums Engine, Exhaust, Drivetrain, Tuning Modifications    Evolve Stage 2 F90 M5 100-200kph 5.81

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      12-17-2020, 12:24 PM   #89
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Originally Posted by GTATX View Post
Evolve is about 23psi, they sent me an updated map for LC, will try it today and see if any other changes need to be made but I think if LC is good then I may leave it as it is as anything over 23psi might be too much for the motor.
Great results for 23psi. Good stuff.
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      12-18-2020, 06:57 PM   #90
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So figured out the LC issue. It's the tcu tune. I flashed the stock tcu back n no launch issue but 3rd gear onwards car is slower than evolve tcu tune. I have requested evolve to keep stock parameters for 1st and 2nd gear and 3rd gear onwards there tcu tune is perfect. Let's see what they say Monday? Thx
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      12-19-2020, 05:56 AM   #91
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Originally Posted by GTATX View Post
My best so far. Still need to improved 0-60. It was 2.82 for this one. May add a little more e85.
How much E85 are you running now? Do you have anyway of logging your timing, boost, and fuel trims? Like a JB4 or a OB2 adapter and an app like Torque? Would LOVE to see what your timing is at, it would also tell you how much more E85 you could add.

For example, on my E70, I can run 4 gallons with 18 gallons of 91, this will max out the fuel trims and air fuel ratio will go up to around 13.1 from 12.7 but timing increases with E85 so it's a net gain, I don't feel safe adding anymore however as it's starting to get on the lean side.

With the 5k fuel pressure the S63TU3 runs at in your M, there should be more headroom for a higher E85 mix so seeing the logs would be very interesting.
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      12-19-2020, 10:37 AM   #92
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Quote:
Originally Posted by Sophisticated Redneck View Post
Quote:
Originally Posted by GTATX View Post
My best so far. Still need to improved 0-60. It was 2.82 for this one. May add a little more e85.
How much E85 are you running now? Do you have anyway of logging your timing, boost, and fuel trims? Like a JB4 or a OB2 adapter and an app like Torque? Would LOVE to see what your timing is at, it would also tell you how much more E85 you could add.

For example, on my E70, I can run 4 gallons with 18 gallons of 91, this will max out the fuel trims and air fuel ratio will go up to around 13.1 from 12.7 but timing increases with E85 so it's a net gain, I don't feel safe adding anymore however as it's starting to get on the lean side.

With the 5k fuel pressure the S63TU3 runs at in your M, there should be more headroom for a higher E85 mix so seeing the logs would be very interesting.
I have bimmer link or obd2 fusion. OBD2 Fusion has logging capability but don't what parameter I need to chose but if u could guide me would love to do it. I'm just pissed that I can get launch right. My stage 1 stock tcu I never had launch issue. My since tcu tune I've been launch issue n now with stage 2 it's worst. I had a good launch yesterday with stock tcu with stage 2 but 60-130 was little slower. After 2st launch rest of all the launches sucked 2.97-3.05 0-60. I used to do 2.7-2.8 easy in Texas heat on stage 1.
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      12-19-2020, 10:40 AM   #93
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Quote:
Originally Posted by Sophisticated Redneck View Post
Quote:
Originally Posted by GTATX View Post
My best so far. Still need to improved 0-60. It was 2.82 for this one. May add a little more e85.
How much E85 are you running now? Do you have anyway of logging your timing, boost, and fuel trims? Like a JB4 or a OB2 adapter and an app like Torque? Would LOVE to see what your timing is at, it would also tell you how much more E85 you could add.

For example, on my E70, I can run 4 gallons with 18 gallons of 91, this will max out the fuel trims and air fuel ratio will go up to around 13.1 from 12.7 but timing increases with E85 so it's a net gain, I don't feel safe adding anymore however as it's starting to get on the lean side.

With the 5k fuel pressure the S63TU3 runs at in your M, there should be more headroom for a higher E85 mix so seeing the logs would be very interesting.
Also i run 6 gallon e85 normally with rest 93.
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      12-19-2020, 07:13 PM   #94
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Finally able to do a better launch and also changed air filter from KNN to Injen. This with Evolve TCU tune
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      12-20-2020, 07:21 AM   #95
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Quote:
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Finally able to do a better launch and also changed air filter from KNN to Injen. This with Evolve TCU tune
That’s moving out ! What was the 60-130 ?
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      12-20-2020, 08:46 AM   #96
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Impressive numbers GTATX, wasn't that long ago numbers like they were reserved for full blown dragstrip beasts that barely idled and most likely didn't even have an interior

I don't use fusion but below is a link I found for enabling logging. Grab rpm, throttle, pedal, air/fuel ratio, timing (timing for each cylinder if possible), fuel trims, boost and boost target, knock sensor data (if possible)and air intake temps to start off with.

Look for timing corrections, you will start to see a pattern with how the DME adjusts timing depending on load and throttle position, what you are looking for are sudden drops in timing at wide open throttle in the middle of a gear (timing changes during gear changes are normal).

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      12-20-2020, 10:05 AM   #97
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Quote:
Originally Posted by onfireX5 View Post
Quote:
Originally Posted by GTATX View Post
Finally able to do a better launch and also changed air filter from KNN to Injen. This with Evolve TCU tune
That’s moving out ! What was the 60-130 ?
I'm sure if I do 3rd gear 40 mph start it would be better but from dig this was good as well.
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      12-20-2020, 11:42 AM   #98
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Quote:
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I'm sure if I do 3rd gear 40 mph start it would be better but from dig this was good as well.
Very strong. Amazing what a tune will do for an M5.
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      12-21-2020, 05:03 AM   #99
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Nice results! 60-130mph is best done in 3rd from around 40 mph in my experience. Always faster than from a dig.
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      12-24-2020, 04:21 PM   #100
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I was able to do this today I wish I could share in dragy but it's invalid. It's the same road I use and some how slope is less some days n then higher others in same spot but regardless good times.
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Last edited by GTATX; 12-24-2020 at 04:44 PM..
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      01-15-2021, 07:21 PM   #101
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New 1/4 mile personal best.

Project gamma intake with AFE filter.
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      01-16-2021, 09:31 AM   #102
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Tuning

Excellent times and work. Keep it up. Evolve will now be my tune of choice.
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