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BMW 5-Series (G30) Forum Engine, Exhaust, Drivetrain, Tuning Modifications RK Tunes M550i goes 10s...

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      10-31-2019, 01:17 AM   #23
MoeMo87
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There was another forum member that was also flashed with RK tune. I think his 0-60 time was about 3.5. Can't remember the quarter mile, but I'm sure it's much slower then what you got.

Wonder if RK tune made modification to its tune?
Yeah, they really went out of their way and I did a whole ton of research / asking questions and these guys really knew what they were doing and put me at ease . We spent about a day on the Dyno and he kept revising . It's all In tune !!!.
That's awesome!

What brand downpipes do you have?
Armytrix and exhaust is Armytrix as well.
Nice! Can't wait for some videos for how it sounds and maybe some pulls
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      10-31-2019, 07:09 PM   #24
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There was another forum member that was also flashed with RK tune. I think his 0-60 time was about 3.5. Can't remember the quarter mile, but I'm sure it's much slower then what you got.

Wonder if RK tune made modification to its tune?
Yeah, they really went out of their way and I did a whole ton of research / asking questions and these guys really knew what they were doing and put me at ease . We spent about a day on the Dyno and he kept revising . It's all In tune !!!.
That's awesome!

What brand downpipes do you have?
Armytrix and exhaust is Armytrix as well.
Nice! Can't wait for some videos for how it sounds and maybe some pulls
Sounds good give me till the weekend I will post some up for you guys
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      10-31-2019, 08:57 PM   #25
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Fuckin 10's lol that's serious! Jesus. I may have already commented that but I'll say it again
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      11-18-2019, 12:22 PM   #26
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Fuckin 10's lol that's serious! Jesus. I may have already commented that but I'll say it again
Just wanted to give an update on times
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      01-08-2020, 11:48 AM   #27
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Awesome Work
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      01-12-2020, 12:38 PM   #28
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Well just wanted to update as times have been improving .
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      01-12-2020, 01:47 PM   #29
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Mspired, other than tune and exhaust what else have you uprgaded? Stock fuel pump and injectors? What about tires? Is it worth it to look at drag radials if I end up tracking it. Based on my experience with a 4th gen fbody with an LT1 engine, there were so many more variables to look at after breaking into the 11s or even thinking about 10s.
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      01-13-2020, 08:42 AM   #30
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Mspired, other than tune and exhaust what else have you uprgaded? Stock fuel pump and injectors? What about tires? Is it worth it to look at drag radials if I end up tracking it. Based on my experience with a 4th gen fbody with an LT1 engine, there were so many more variables to look at after breaking into the 11s or even thinking about 10s.
I am completely stock besides tune/down pipes and exhaust. Stock fuel pumps/injectors. I am on snow tires currently and I would assume with better tires and a better launch it would be a 10.6X car. Which I have a run on dragy unofficially though because of the slope of the run. Although I am surprised somebody hasn't come out with a decent set of intakes for this platform that don't throw codes on a tune, it would definitely be a power adder.
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      01-13-2020, 01:16 PM   #31
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Mspired, I am inspired.
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      01-14-2020, 05:22 AM   #32
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makes you wonder what happens when you tune M5
Obviously there must be significant differences when you compare factory horsepower ratings but what's so different about the M5's 4.4L that makes it impossible for the M550i 4.4L to equal it with the usual tuning of both? Well, I guess the turbos are different as are the factory tunes but what else?

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      01-14-2020, 06:10 PM   #33
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The cooling system is MUCH different.
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      01-16-2020, 12:23 PM   #34
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The cooling system is MUCH different.
Ahhh, thanks for that!
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      01-26-2020, 06:34 PM   #35
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What fuel are you running for the 10 second runs??

My M550 with the RK Tune is only Stage 1 and running 91 octane fuel... and I produced a 3.5 second 0-60. Might be able to get to a 3.3 with better tires (running Michelin all season now).

Last edited by tjohnson; 01-29-2020 at 09:49 PM..
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      02-03-2020, 06:32 PM   #36
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What fuel are you running for the 10 second runs??

My M550 with the RK Tune is only Stage 1 and running 91 octane fuel... and I produced a 3.5 second 0-60. Might be able to get to a 3.3 with better tires (running Michelin all season now).
Get the e85 tune from them, you ll have the same tune as me then . I'm running 93 and e85 mix .
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      02-04-2020, 01:15 PM   #37
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What fuel are you running for the 10 second runs??

My M550 with the RK Tune is only Stage 1 and running 91 octane fuel... and I produced a 3.5 second 0-60. Might be able to get to a 3.3 with better tires (running Michelin all season now).
Get the e85 tune from them, you ll have the same tune as me then . I'm running 93 and e85 mix .
Still itching to see some videos!
That would be awesome
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      02-04-2020, 01:22 PM   #38
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What fuel are you running for the 10 second runs??

My M550 with the RK Tune is only Stage 1 and running 91 octane fuel... and I produced a 3.5 second 0-60. Might be able to get to a 3.3 with better tires (running Michelin all season now).
Get the e85 tune from them, you ll have the same tune as me then . I'm running 93 and e85 mix .
Still itching to see some videos!
That would be awesome
Will do. Will upload some soon!
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      02-04-2020, 02:24 PM   #39
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Originally Posted by MoeMo87 View Post
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Originally Posted by mspired335i View Post
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Originally Posted by tjohnson View Post
What fuel are you running for the 10 second runs??

My M550 with the RK Tune is only Stage 1 and running 91 octane fuel... and I produced a 3.5 second 0-60. Might be able to get to a 3.3 with better tires (running Michelin all season now).
Get the e85 tune from them, you ll have the same tune as me then . I'm running 93 and e85 mix .
Still itching to see some videos!
That would be awesome
Will do. Will upload some soon!
Can't wait!!
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      02-11-2020, 12:36 PM   #40
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What happens if I get the e85 tune from them, but then I'm only able to get 91 octane?? I travel with the car long distances sometimes, and don't want to be stuck looking for 93 or e85 fuel while driving 85mph on the freeway. LOL
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      02-11-2020, 07:51 PM   #41
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What happens if I get the e85 tune from them, but then I'm only able to get 91 octane?? I travel with the car long distances sometimes, and don't want to be stuck looking for 93 or e85 fuel while driving 85mph on the freeway. LOL
Lol that's exactly my problem with flash. I'm on the bootmod3 beta which can flash maps in under 2 minutes. Will be trying out e30 maps, and I shall post results
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      02-14-2020, 09:00 AM   #42
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What happens if I get the e85 tune from them, but then I'm only able to get 91 octane?? I travel with the car long distances sometimes, and don't want to be stuck looking for 93 or e85 fuel while driving 85mph on the freeway. LOL
Well , in that case you should be tuned primarily on 91 as your daily tune. And the e85 tune , should be your secondary tune in that event it will be for the days you can source e85 readily .
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      02-16-2020, 04:22 AM   #43
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Quote:
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Originally Posted by tjohnson View Post
What happens if I get the e85 tune from them, but then I'm only able to get 91 octane?? I travel with the car long distances sometimes, and don't want to be stuck looking for 93 or e85 fuel while driving 85mph on the freeway. LOL
Well , in that case you should be tuned primarily on 91 as your daily tune. And the e85 tune , should be your secondary tune in that event it will be for the days you can source e85 readily .
So if you do a E85 tune, you have the option to run E85 mix or 93 by itself but not 91?
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      03-20-2020, 05:48 PM   #44
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What fuel are you running for the 10 second runs??

My M550 with the RK Tune is only Stage 1 and running 91 octane fuel... and I produced a 3.5 second 0-60. Might be able to get to a 3.3 with better tires (running Michelin all season now).

Hey I recently ordered RK tune as well. I am wondering what does ur "Stage 1" mean? Like you don't have a downpipes in your car? Is the HP lower for your car since you are on stage 1(Just tune, no dp)? Also how long did it take for RK to send you your file? I have been waiting for 5 business days...
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