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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications My Mission Performance Stage 1 | 15mph - 105mph

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      06-15-2020, 01:59 PM   #1
chenry
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Exclamation My Mission Performance Stage 1 | 15mph - 105mph

Gents (and a few Gals)
I just posted this in another thread to address another topic but figured for reference I would start a thread. Not saying this is good - not saying it is bad - just my reality this morning. Hope this helps :-)
  • M340
  • Mission Performance Stage 1 (otherwise stock)
  • 91 California crap gas with a splash of e85 to try to mimic 93 octane - probably close to E30
  • Zero driving technique (as you will soon see in the video)
  • Sorry for wind noise (should have rolled up window)
  • Magnolia street is a nice street in Mexico
  • Stage 2 and a catted CG Precision downpipe coming later this week

Last edited by chenry; 06-15-2020 at 02:22 PM..
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      06-15-2020, 03:18 PM   #2
Gdiddy23
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Thanks for posting! I'll see if I can try to get a video tonight of mine to compare- I think there's a few others on here who can testify to the 'stuttering' effect once 3rd gear arrives.

That thing rips btw!
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      06-15-2020, 03:19 PM   #3
imported_nick
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I love Magnolia Street, Guadalajara

Nice man. I timed your video at around ~2.7 second 20-60. My stock one is around 3.3 seconds so that's a decent gain. Also you lost traction on that pull and ECU might have cut power, try putting the car in "traction" mode on top of sport+ with sport shifting
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      06-15-2020, 03:42 PM   #4
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60-130?
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      06-16-2020, 10:42 AM   #5
chenry
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Quote:
Originally Posted by Alexey View Post
60-130?
Sorry Alexey - if you are talking about MPH and not KPH (I see you are in Russia) it's going to be quite some time before I am in a situation where I can comfortably and safely get to those numbers :-)

Are you asking about the former or the latter? If indeed KPH - i do have a draggy and can help with your question
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      06-16-2020, 10:46 AM   #6
chenry
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Quote:
Originally Posted by imported_Mike View Post
I love Magnolia Street, Guadalajara
Yes yes it's such a wonderful street so much to love :-)

Quote:
Originally Posted by imported_Mike View Post
Nice man. I timed your video at around ~2.7 second 20-60. My stock one is around 3.3 seconds so that's a decent gain. Also you lost traction on that pull and ECU might have cut power, try putting the car in "traction" mode on top of sport+ with sport shifting
Thanks! Yes my runflats scream for mercy anytime I really get on it - the fatal blow for them should be when I move to stage2 with a catted DP this thursday - at that point it'll be time to get some more decent rubber. Have to do that anyway - we autoX and generally drive our cars very very hard and runflats just don't play nice in that sandbox.
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      06-16-2020, 12:26 PM   #7
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Quote:
Originally Posted by chenry View Post
Yes yes it's such a wonderful street so much to love :-)


Thanks! Yes my runflats scream for mercy anytime I really get on it - the fatal blow for them should be when I move to stage2 with a catted DP this thursday - at that point it'll be time to get some more decent rubber. Have to do that anyway - we autoX and generally drive our cars very very hard and runflats just don't play nice in that sandbox.
Let me know which tires you get. I have the stock run-flats too (Michelin Pilot Sport 4 ZP) and am having trouble finding great tires in the same exact size as stock (on the 18" rim)
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      06-17-2020, 05:14 AM   #8
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I really like reading your posts on MP tune haha

I got myself MP stage 2 tune a while ago and recently swapped my F1 runflats to PS4S. I can't recommend upgrading the tires sooner even without the tune.

Btw, it seems like you're local to me. If you ever want to meet up in the area and try the PS4S with stage 2 on RWD M340i, feel free to reach out! I'm located in Cypress
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      06-17-2020, 11:44 AM   #9
chenry
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Quote:
Originally Posted by xacoffeemx View Post
I really like reading your posts on MP tune haha

I got myself MP stage 2 tune a while ago and recently swapped my F1 runflats to PS4S. I can't recommend upgrading the tires sooner even without the tune.

Btw, it seems like you're local to me. If you ever want to meet up in the area and try the PS4S with stage 2 on RWD M340i, feel free to reach out! I'm located in Cypress
Cool thanks yes we are close to you in Huntington Beach by downtown/pier. Always like meeting up with local enthusiasts either 1:1 or at local car shows or events. So will take you up on your offer for sure

In return if you have any interest my car will have a catted DP with stock exhaust as of tomorrow and as long as it's not too loud for me - it'll still be on the car whenever we meet.
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