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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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      01-17-2019, 12:27 PM   #23
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Originally Posted by GUNGASLOW View Post
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?
Where did you see that? That's hard to believe link?
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      01-17-2019, 12:30 PM   #24
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Originally Posted by GUNGASLOW View Post
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?
They correct their actual times to sea level.
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      01-17-2019, 02:52 PM   #25
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      01-17-2019, 05:16 PM   #26
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Quote:
Originally Posted by GUNGASLOW View Post
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?
Was just thinking about that
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      01-19-2019, 11:18 PM   #27
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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
In that run, one foot roll indeed was 2.60. It was with map 6 as my rear P zero tires could not prevent spin using map 7. The acceleration sensation is not yet P100D but was very close. However, after 200 yards, map 6 tuned F90 will pass P100D in speed......

I just put two brand new P zero rear tires due to nail in rear right original tire. It was raining the first day and next day on 3 to 4 weeks trip to Taiwan. Was hoping to see how new tires would do for map 7 but need to wait until return back to Bay. Area. I took out RC before going to dealer as I also arranged first 7500 mile maintance. They told me my car is in great shape and handed me key with smile. With that gesture, I assume RC tune is not detected or they didn’t run deep scan in regular maintance.

I have run RC for more than 1000 miles. I was very happy to hear from dealer that car is in great shape!
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      01-19-2019, 11:35 PM   #28
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Quote:
Originally Posted by GUNGASLOW View Post
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?
That 2.8 is timed with one foot roll and tested in great facility. I think stock F90 should be capable of doing 2.80 to 3.0 with one foot roll depending on condition. I didn’t measure my F90 in stock form. Got my car back from dealer last Tuesday and not yet put back RC so will try it when I return from trip.

I did measure my privious 18 E63S wagon. It was in stock form and best 0-60 time was 3.12 (should be around 2.92 with roll). I feel F90 is slightly faster judging from sensation. So, I am looking forward to try it before putting back RC to compare RC map 6’s time of 2.60.
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      01-20-2019, 02:15 AM   #29
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Quote:
Originally Posted by MV99 View Post
Quote:
Originally Posted by GUNGASLOW View Post
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?
That 2.8 is timed with one foot roll and tested in great facility. I think stock F90 should be capable of doing 2.80 to 3.0 with one foot roll depending on condition. I didn't measure my F90 in stock form. Got my car back from dealer last Tuesday and not yet put back RC so will try it when I return from trip.

I did measure my privious 18 E63S wagon. It was in stock form and best 0-60 time was 3.12 (should be around 2.92 with roll). I feel F90 is slightly faster judging from sensation. So, I am looking forward to try it before putting back RC to compare RC map 6's time of 2.60.
Pardon my ignorance - what is one foot roll?
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      01-20-2019, 08:00 AM   #30
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Pardon my ignorance - what is one foot roll?
NHRA dragstrips have a 12-14” “rollout” before the timers start. Basically light beams in front of the tires so you can roll up and prestage, then stage the car to keep it even with the car beside you plus theoretically Launch at the same time if reaction times are equal. So the last beam is 12-14 inches out and when the tire breaks that beam the clocks start. So you get a 12-14” running start.

Magazines now incorporate that method in their testing. Vbox has it and Dragy has it built in also to keep everything standardized.
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      01-24-2019, 07:06 PM   #31
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After the DME Tune, downpipes and Exhaust after only my first try significantly improved my 0-60. I'm sure I can do better with more pulls.
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      01-24-2019, 07:34 PM   #32
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After the DME Tune, downpipes and Exhaust after only my first try significantly improved my 0-60. I'm sure I can do better with more pulls.
That's a 2.7x with rollout. You've moving fast !
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      01-28-2019, 05:54 PM   #33
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[IMG][/IMG]


Talks bout slow! 4 seconds have m performance pipe and race eisneman axle back with 91 octane (Cali doesn't do 93) and 72 degrees outside. Half a tank of gas nothing in the back. Help! Need to be faster
Stock engine could it be something with the pipes?
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      01-28-2019, 05:56 PM   #34
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Quote:
Originally Posted by Catchmeifyoucanf90 View Post
[IMG][/IMG]


Talks bout slow! 4 seconds have m performance pipe and race eisneman axle back with 91 octane (Cali doesn't do 93) and 72 degrees outside. Half a tank of gas nothing in the back. Help! Need to be faster
Stock engine could it be something with the pipes?
Are you using launch control?
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      01-28-2019, 05:57 PM   #35
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Quote:
Originally Posted by Catchmeifyoucanf90 View Post
[IMG][/IMG]


Talks bout slow! 4 seconds have m performance pipe and race eisneman axle back with 91 octane (Cali doesn't do 93) and 72 degrees outside. Half a tank of gas nothing in the back. Help! Need to be faster
Stock engine could it be something with the pipes?
I'm In Cali too, when I was stock (without m performance) I was doing at least 3.2's
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      01-28-2019, 07:35 PM   #36
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Something is wrong. I went 3.24 pure stock at 3600ft DA in July without rollout correction on Dragy.
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      01-29-2019, 07:09 PM   #37
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What could be wrong ? Not sure why my stock is so damm slow , and no launch control .
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      01-29-2019, 07:10 PM   #38
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Maybe my draggy is crappy??
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      01-29-2019, 07:14 PM   #39
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Quote:
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Maybe my draggy is crappy??
You have to either use launch control to get those numbers or at least building boost before takeoff. Foot on the brake and the gas At the same time.
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      01-29-2019, 10:31 PM   #40
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That is with brake and foot at the same time
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      01-29-2019, 10:34 PM   #41
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Quote:
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That is with brake and foot at the same time
Try a launch control. See what happens. Make sure the road your testing on doesn't have loose gravel. Try 4-5 runs. You should be able to get low 3's every launch isn't perfect takes time and multiple passes to get good numbers.
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      01-31-2019, 01:55 AM   #42
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What numbers do you get just flooring it ? Just let go of break and hit the gas
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      01-31-2019, 09:59 PM   #43
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What numbers do you get just flooring it ? Just let go of break and hit the gas
Never measured it.
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      02-01-2019, 08:04 PM   #44
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M5 F90

Plug-in module with stage 3
Aral Ultimate 102 octane
Michelin PS4S
26C/79F outside temperature
Wheelspin
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