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BMW 5-Series (G30) Forum Engine, Exhaust, Drivetrain, Tuning Modifications 568HP to the wheels! Dyno inside

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      02-27-2019, 10:11 AM   #1
fan51
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Update: 1/4 mile in 11.19 seconds. Video below

The car is just a totally different beast now. I can't believe the difference. It's my first turbo car so I've never seen a tune make such a boost in power like this.

The bad:
Launch control is useless now. The tires want to break so the power gets cut off immediately and it's just... bad.

The fix:
Disable traction completely by holding down the button for 3-5 seconds, and just brake torque launch it the old school way. World of a difference.

I had the chance to do a couple of runs from a dig against a Dinan tuned M550. I couldn't get a good launch but once we got going, the power difference was nuts. Every time I used launch control it was just lag and the Dinan car would get the jump on me. I'm going to reach out to the Dinan owner again to see if we can do a few more runs, but this time without me using launch control.

RK Tunes has done it again...





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      02-27-2019, 10:35 AM   #2
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Quote:
Originally Posted by fan51 View Post
The car is just a totally different beast now. I can't believe the difference. It's my first turbo car so I've never seen a tune make such a boost in power like this.

The bad:
Launch control is useless now. The tires want to break so the power gets cut off immediately and it's just... bad.

The fix:
Disable traction completely by holding down the button for 3-5 seconds, and just brake torque launch it the old school way. World of a difference.

I had the chance to do a couple of runs from a dig against a Dinan tuned M550. I couldn't get a good launch but once we got going, the power difference was nuts. Every time I used launch control it was just lag and the Dinan car would get the jump on me. I'm going to reach out to the Dinan owner again to see if we can do a few more runs, but this time without me using launch control.

RK Tunes has done it again...

Awesome !
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      02-27-2019, 11:11 AM   #3
clee1982
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Well i can see the addiction of power but if you can't put on the road, then I personally wouldn't do it
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      02-27-2019, 02:54 PM   #4
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Quote:
Originally Posted by clee1982 View Post
Well i can see the addiction of power but if you can't put on the road, then I personally wouldn't do it
And what gives you the idea you can't put the power down on the road? Watch the video again... 🤨
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      02-27-2019, 07:23 PM   #5
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holy crap!! that is a mustang dyno correct? so the base pull is with your modified exhaust + intake?
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      02-27-2019, 08:28 PM   #6
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Quote:
Originally Posted by modthispny View Post
holy crap!! that is a mustang dyno correct? so the base pull is with your modified exhaust + intake?
Correct. I'm not sure about the dyno to be honest I'll have to ask Jordan.
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      02-27-2019, 08:30 PM   #7
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One more video for now

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      02-27-2019, 10:01 PM   #8
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Quote:
Originally Posted by fan51 View Post
One more video for now

Omg! That's awesome! How much boost is that? Please take it to the drag strip! That's a high 10 sec car for sure!
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      02-28-2019, 10:05 AM   #9
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That's amazing, I'll be doing a write up on the DME tune but it's probably around the same ballpark. Also curious to know what boost level it's running. Can you do some dragy testing with it, 1/4, 60-130mph etc
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      02-28-2019, 09:17 PM   #10
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How much is that tune?? Where to buy??
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      03-04-2019, 01:47 PM   #11
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Quote:
Originally Posted by tjohnson View Post
How much is that tune?? Where to buy??
Contact RK Tunes (516) 233-9565

Quote:
Originally Posted by Sheharyar_rr View Post
That's amazing, I'll be doing a write up on the DME tune but it's probably around the same ballpark. Also curious to know what boost level it's running. Can you do some dragy testing with it, 1/4, 60-130mph etc
Salty, bumpy, curvy road, window down for half the run, and I let off just before it hit the quarter mile. I promise this car will hit 0-60 in under 3 seconds and the 1/4 mile in the 10s. Wait for it.

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      03-04-2019, 03:07 PM   #12
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Quote:
Originally Posted by Sheharyar_rr View Post
That's amazing, I'll be doing a write up on the DME tune but it's probably around the same ballpark. Also curious to know what boost level it's running. Can you do some dragy testing with it, 1/4, 60-130mph etc
Sheharyar_rr
how are these numbers compared to your DME tune? both tuners are near me so getting some info from people with both tunes would provide some great help into deciding which tuner to go to.
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      03-06-2019, 06:19 PM   #13
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Quote:
Originally Posted by Barry9020 View Post
Sheharyar_rr
how are these numbers compared to your DME tune? both tuners are near me so getting some info from people with both tunes would provide some great help into deciding which tuner to go to.
DME tune is pretty strong, i'm using a stack with jb4. I read the OP's post again and turns out i'm having the same issue, car has so much lag when launching with LC. I did 1/8th in 7.36 @ 98.9 (0-60 in 3.4) with a pretty much empty tank.
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      03-07-2019, 04:56 PM   #14
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Very Nice!!

When pushing the car near its limit, i always recommend checking datalogs to make sure car is handling the extra pressure well
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      04-02-2019, 10:02 PM   #15
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Forgot to mention you have Intakes from me
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      11-06-2019, 02:28 PM   #16
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Is everything stock? Damn that makes this car a different animal!
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