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BMW M5 F90 (2018+) General Forums Engine, Exhaust, Drivetrain, Tuning Modifications    Can we get a "F90 Dragy" Megathread

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      01-02-2019, 04:12 PM   #1
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Does one already exist that I haven't seen? Would love to compare and contrast everyone's:

-0-60 against their mods.
-1/4 mile against their mods.


I don't like hearing about mods, and possible hypothetical results i like seeing them.


I have:
Eventuri Intake
Eisenmann Black Series Lower Dp's
Custom Mid-Pipes from (R1 Motorsports in Northridge, CA)
Eisenmann Race Mufflers
H&R Race Springs (1.2 Inch Drop)

(All above mentioned are en route and will be installed before end of month)


Would love for everyone to share 0-60 and/or 1/4 mile data, and how exactly they got there.

I will share my results end of month when all of my performance parts are on
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      01-02-2019, 05:23 PM   #2
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I got pretty much what you have, upper down pipes coming this week and DME tune next week.
The one below are on winter tires dough but very impressive considering slipping a lot.
Will post new numbers next week and one more after I get new tires and rims.
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      01-03-2019, 02:10 AM   #3
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I went for Race Chip tune. The result is quite pleasant considering the simplicity of installation. Map 7 provides stronger pull but wheel spin little hard to control as my P zero has passed 6600 miles.

The result bellow was on map 6 without early release brake.
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      01-03-2019, 04:01 PM   #4
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No 1/4 mile yet but I'll share a 0-60 and the 1/8th.

JB4 Map 2 (which is 22psi and on 93 pump gas) on snow tires. - with the added power the snow tires are holding it back from a great launch, it leaves 20+ feet of rubber every time.



Last edited by turbomcgee; 01-03-2019 at 04:32 PM..
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      01-03-2019, 04:33 PM   #5
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Quote:
Originally Posted by MV99 View Post
I went for Race Chip tune. The result is quite pleasant considering the simplicity of installation. Map 7 provides stronger pull but wheel spin little hard to control as my P zero has passed 6600 miles.

The result bellow was on map 6 without early release brake.
How much boost is that?
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      01-03-2019, 05:11 PM   #6
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Quote:
Originally Posted by turbomcgee View Post
How much boost is that?
I have no measuring method and not sure if RaceChip’s way of tuning has fix boost value. My guess is that RC tune box intercept signal and change value into ECU. Then ECU just reacts to new value to generate boost. So, each hard acceleration may have slight different boost. JB4 looks to have more direct control on boost as its box additionally connects to CANbus. My guess on map 7 has around 4 psi increase and map 6 maybe 3 psi.
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      01-03-2019, 05:21 PM   #7
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Quote:
Originally Posted by MV99 View Post
I have no measuring method and not sure if RaceChip’s way of tuning has fix boost value. My guess is that RC tune box intercept signal and change value into ECU. Then ECU just reacts to new value to generate boost. So, each hard acceleration may have slight different boost. JB4 looks to have more direct control on boost as its box additionally connects to CANbus. My guess on map 7 has around 4 psi increase and map 6 maybe 3 psi.
Jb4 map 1 is additive, all others are absolute targets.

I've seen people say +4 to+6 for the RC max increase, but no direct answer from RC itself. I'd like to know if its a solid additive or how the slope is setup, a solid +4 could be as high as 24.5 psi at certain times which would be walking the pump gas limit in the US.

The reason I wouldn't even consider the RC is their lack of documentation around the maps, lack of fail safes, no datalogging.
Plus are they doing R&D using US fuels or Euro fuels...that could be a 2 point spread, which is the difference between 91 and 93 here. Not saying they are a bad company in anyway, but they just need more documentation about their product and R&D.

Last edited by turbomcgee; 01-03-2019 at 05:32 PM..
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      01-03-2019, 06:00 PM   #8
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Quote:
Originally Posted by turbomcgee View Post
Jb4 map 1 is additive, all others are absolute targets.

I've seen people say +4 to+6 for the RC max increase, but no direct answer from RC itself. I'd like to know if its a solid additive or how the slope is setup, a solid +4 could be as high as 24.5 psi at certain times which would be walking the pump gas limit in the US.

The reason I wouldn't even consider the RC is their lack of documentation around the maps, lack of fail safes, no datalogging.
Plus are they doing R&D using US fuels or Euro fuels...that could be a 2 point spread, which is the difference between 91 and 93 here. Not saying they are a bad company in anyway, but they just need more documentation about their product and R&D.
I've bought and used JB4 and RC on my F90. Both work great for their goals. JB4 can set a Target beyond Map 1 , but it is not a straight line Target with a straight line result like the Haltech does on my race car. It will slope up and down because of the DME programming, but it does a good job keeping the delta low and the max value absolute .

The GTS Black sets an additive per set point. I've logged this one only on SP7. It maxes out around 21.5psi on my atmospheric conditions. On the older unit, it would drop around 0.3psi per set point. Zero worries on hurting an engine with RC as the max is always within the parameters of the DME safety controls if you get a bad tank of fuel, etc.

Good thing is we have options that will do a lot, including DME flash tunes.
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      01-03-2019, 06:04 PM   #9
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Quote:
Originally Posted by onfireX5 View Post
I've bought and used JB4 and RC on my F90. Both work great for their goals. JB4 can set a Target beyond Map 1 , but it is not a straight line Target with a straight line result like the Haltech does on my race car. It will slope up and down because of the DME programming, but it does a good job keeping the delta low and the max value absolute .

The GTS Black sets an additive per set point. I've logged this one only on SP7. It maxes out around 21.5psi on my atmospheric conditions. On the older unit, it would drop around 0.3psi per set point. Zero worries on hurting an engine with RC as the max is always within the parameters of the DME safety controls if you get a bad tank of fuel, etc.

Good thing is we have options that will do a lot, including DME flash tunes.
What was the max additive on 7? Sure the DME will intervene and start to limit throttle opening, boost targets and timing, but no matter the system you can be having real knock related to the the insufficient fuel, and to many still feel like its running "fine" when in fact you are not at optimum performance, and would be better with a lower boost target.

Do you have a log you can post?

Thanks!

Last edited by turbomcgee; 01-03-2019 at 06:25 PM..
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      01-03-2019, 06:50 PM   #10
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Quote:
Originally Posted by turbomcgee View Post
What was the max additive on 7? Sure the DME will intervene and start to limit throttle opening, boost targets and timing, but no matter the system you can be having real knock related to the the insufficient fuel, and to many still feel like its running "fine" when in fact you are not at optimum performance, and would be better with a lower boost target.

Do you have a log you can post?

Thanks!
Do a search on my log in. Should be some posts with logs. If not, I’ll look them up and post them. Max additive is just a close number since they all vary, including stock. “Roughly” SP7 is 3.5 to 4.0.

Your concern is why I ALWAYS log any controller that I use. I’m getting zero retard on SP7 with 93. Plenty of headroom for a bad tank of fuel.

Apologies to OP for my non Dragy posts. Will add a few later.
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      01-03-2019, 06:58 PM   #11
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Quote:
Originally Posted by onfireX5 View Post
Do a search on my log in. Should be some posts with logs. If not, I’ll look them up and post them. Max additive is just a close number since they all vary, including stock. “Roughly” SP7 is 3.5 to 4.0.

Your concern is why I ALWAYS log any controller that I use. I’m getting zero retard on SP7 with 93. Plenty of headroom for a bad tank of fuel.

Apologies to OP for my non Dragy posts. Will add a few later.
Same I have too many logs, daily WOT pulls.
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      01-10-2019, 11:14 PM   #12
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Feels good to has the second best 0-60 time with a completely stock bmw lol. Car in the shop now for many performance upgrades. This number will be much better soon. [IMG][/IMG]
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      01-13-2019, 10:27 AM   #13
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Quote:
Originally Posted by onfireX5 View Post
Do a search on my log in. Should be some posts with logs. If not, I’ll look them up and post them. Max additive is just a close number since they all vary, including stock. “Roughly” SP7 is 3.5 to 4.0.

Your concern is why I ALWAYS log any controller that I use. I’m getting zero retard on SP7 with 93. Plenty of headroom for a bad tank of fuel.

Apologies to OP for my non Dragy posts. Will add a few later.
It's good you logged some data....was trying to compare it to jb4 since I ran it on my F10 M5.....sounds like sp7 is maybe like a stage 1 BMS kit which is a 4psi additive(same as map1 on Jb4) ?.....how much dyno whp does the sp7 make?
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      01-15-2019, 03:54 PM   #14
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No one here has a Racechip log they can share?
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      01-15-2019, 04:31 PM   #15
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RaceChip on 7
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      01-15-2019, 04:34 PM   #16
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Quote:
Originally Posted by onfireX5 View Post
RaceChip on 7
Have a log to go with that?
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      01-15-2019, 09:13 PM   #17
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Quote:
Originally Posted by MV99 View Post
I went for Race Chip tune. The result is quite pleasant considering the simplicity of installation. Map 7 provides stronger pull but wheel spin little hard to control as my P zero has passed 6600 miles.

The result bellow was on map 6 without early release brake.
Have RC too and very pleased with the added power which is palpable across the power band, thanks for posting, one thing though the 2.8 sec Zero to 60 is what C&D has achieved with 1 foot roll out, so I kinda expected 2.6 sec or so 2.7, with that said I'm happy with 10.77 sec Quarter Mile and surprised because that's Porsche Turbo S and P100D territory
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      01-15-2019, 09:20 PM   #18
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Quote:
Originally Posted by onfireX5 View Post
Quote:
Originally Posted by turbomcgee View Post
Jb4 map 1 is additive, all others are absolute targets.

I've seen people say +4 to+6 for the RC max increase, but no direct answer from RC itself. I'd like to know if its a solid additive or how the slope is setup, a solid +4 could be as high as 24.5 psi at certain times which would be walking the pump gas limit in the US.

The reason I wouldn't even consider the RC is their lack of documentation around the maps, lack of fail safes, no datalogging.
Plus are they doing R&D using US fuels or Euro fuels...that could be a 2 point spread, which is the difference between 91 and 93 here. Not saying they are a bad company in anyway, but they just need more documentation about their product and R&D.
I've bought and used JB4 and RC on my F90. Both work great for their goals. JB4 can set a Target beyond Map 1 , but it is not a straight line Target with a straight line result like the Haltech does on my race car. It will slope up and down because of the DME programming, but it does a good job keeping the delta low and the max value absolute .

The GTS Black sets an additive per set point. I've logged this one only on SP7. It maxes out around 21.5psi on my atmospheric conditions. On the older unit, it would drop around 0.3psi per set point. Zero worries on hurting an engine with RC as the max is always within the parameters of the DME safety controls if you get a bad tank of fuel, etc.

Good thing is we have options that will do a lot, including DME flash tunes.
Would you enlighten the ignorant in that case me and shed a little more light on and elaborate why one shouldn't be worried about "Hurting the F90 engine" with Race Chip?! I was about to buy Geico Mechanical Breakdown insurance for peace of mind! Despite not knowing whether Geico insurance would cube rot being Race Chip tuned
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      01-16-2019, 10:41 AM   #19
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Whats the consensus on optimal settings for dragging from standstill vs rolling start ?
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      01-17-2019, 08:41 AM   #20
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JB4, BMS intake, race gas on this one.

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      01-17-2019, 11:42 AM   #21
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JB4, BMS intake, race gas on this one.

Terry had the JB4 test car running strong. Strong 1/2 mile too.
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      01-17-2019, 12:26 PM   #22
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How did motor trend get a stock m5 to do 0-60 in 2.8? I only see tuned cars that go below 3.1?
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