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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > new bootmod3 stage 2 93 update is worth it for sure

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      09-30-2019, 09:39 AM   #1
nismoman
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new bootmod3 stage 2 93 update is worth it for sure

running previous stage 2 93 vs new stage 2 93 ots map, I don't remember the numbers i think 5.7 to 5.8?

I had been holding out on doing the update because i was scared that the update wouldn't pull as hard or make as much power. I don't really rev the car to redline ever because the turbos efficiency drops so hard after 6k so I was not aware that i had a surge while accelerating past 6.5-7k on the previous tune. I decided to update the tune to see if the urge was related and I'm pleased to announce that it still pulls like a freight train, 11.5 timing , 16.5 target boost- 16.5 actual, 44 lb/min MAF, and smooth as butter to redline. Highly recommend
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      10-01-2019, 12:45 PM   #2
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Track day results

I was very happy with 5.7 but did notice an occasion hiccup close to redline. Updated to 5.8 and hiccup is gone, power is still there and feels very linear. Pushed for two track events and couldn't be happier.

stage 2 93oct
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      10-02-2019, 04:47 PM   #3
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That's good to hear nismoman, Ill be flashing the stage 2 on Friday.
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      10-02-2019, 07:11 PM   #4
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      10-03-2019, 08:27 AM   #5
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The same here, the update is amazing! I just feel the car faster!
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      10-03-2019, 09:24 AM   #6
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Love it! Pulls like a freight train and no hiccups so far. Have yet to log though
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      10-07-2019, 01:59 PM   #7
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Yes v5.8 is the tittys milk.
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      10-26-2019, 05:09 PM   #8
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V5.8 is awesome and really feel better than 5.7. The key thing is more linear and all power up to redline. I have run the custom tune a while but failed on crashing HPFP recently. Now I can't BD happier enough on 5.8!
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      10-27-2019, 08:11 AM   #9
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Quote:
Originally Posted by JKen_0115 View Post
V5.8 is awesome and really feel better than 5.7. The key thing is more linear and all power up to redline. I have run the custom tune a while but failed on crashing HPFP recently. Now I can't BD happier enough on 5.8!
I’m having this happen - weak pump or E85?
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      10-27-2019, 08:16 AM   #10
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Quote:
Originally Posted by AmuroRay View Post
Quote:
Originally Posted by JKen_0115 View Post
V5.8 is awesome and really feel better than 5.7. The key thing is more linear and all power up to redline. I have run the custom tune a while but failed on crashing HPFP recently. Now I can't BD happier enough on 5.8!
I’m having this happen - weak pump or E85?
I believe weak pump, I'm running 93 pump with Boostane. The tuner is suggesting B58 HPFP upgrade but still want to keep FBO.
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      10-27-2019, 09:06 AM   #11
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Quote:
Originally Posted by JKen_0115 View Post
I believe weak pump, I'm running 93 pump with Boostane. The tuner is suggesting B58 HPFP upgrade but still want to keep FBO.
I see. I’m running 18psi and I’m getting massive drops on the fuel pump on 93. I think the pump is weak, but I’m looking get a new one or at how to get a standard B58 pump to work.
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      10-27-2019, 11:13 AM   #12
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Quote:
Originally Posted by AmuroRay View Post
Quote:
Originally Posted by JKen_0115 View Post
I believe weak pump, I'm running 93 pump with Boostane. The tuner is suggesting B58 HPFP upgrade but still want to keep FBO.
I see. I’m running 18psi and I’m getting massive drops on the fuel pump on 93. I think the pump is weak, but I’m looking get a new one or at how to get a standard B58 pump to work.
I tried to run 18+ PSI but crashed so hard and turned out the super knocking even ran T 17.8PSI. I don't want to ruin my motor so waiting on the tuner's opinion now.
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