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BMW 5-Series (G30) Forum Engine, Exhaust, Drivetrain, Tuning Modifications Dedicated 1/4 Mile Thread

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      07-28-2018, 11:32 AM   #1
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Dedicated 1/4 Mile Thread

I could not find a dedicated thread on this topic, so lets start one.

I went to the local track this morning and here are my results.

Cecil County Dragway
74 Degrees & Sunny
18' M550i
Dinan_Engineering Stage 1
Michelin Pilot Sport 3

EDIT: Just noticed the PDF cannot be viewed via the app.

Short Version:
Stock Map -- 12.302 @ 114.68

Dinan Stage 1 -- 11.759 @ 118.90
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File Type: pdf Cecil County Dragway 7:28:18.numbers.pdf (21.4 KB, 77 views)

Last edited by Who's on first; 07-28-2018 at 11:39 AM..
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      07-29-2018, 01:01 PM   #2
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Good thread idea, thanks.
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2018 M550iX-Dinan Stage 1 | 2011 E93 M3 Convertible | 2002 E46 M3 Convertible | 2002 E53 X5 3.0 | 2000 E39 540i | 1998 E36 M3 | 1988 E28 M5 | 1987 E28 528i
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      07-29-2018, 02:52 PM   #3
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Nice results from the tune.

My bone stock 550 at Bandimere Speedway, adjusted altitude (DA) of 6244' above sea level

12.281@113.46mph

http://www.dragtimes.com/BMW-M550i-Timeslip-29853.html


Last edited by forza1976; 07-30-2018 at 06:47 PM.. Reason: Added my results
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      07-30-2018, 06:37 PM   #4
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Results are attached for BMS JB4 on map 2 with 94 Octane... ambient temp around 15 degree C

I'm pretty sure the car can do 11.2's... But i felt sorry for the car after I did 5 back to back runs lol
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2018 M550i xDrive | DME Tuning BEF / JB4 Stack / DPs | 11.08 @ 125 1/4 Mile
Gone: 2014 335i xDrive | Bootmod3 Stage 2 93 Map | 12.2 @ 113 1/4 Mile

Last edited by Sheharyar_rr; 07-30-2018 at 07:08 PM..
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      07-30-2018, 07:21 PM   #5
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I have done well with the car...a best of 12.19 at 117 MPH bone stock on stock tires (PS4’s).

I have beaten a bunch of much faster cars with it too on poor prep days against my RWD competition.

I can’t seem to post my slip - I will when I’m home.


Last edited by vtknight; 07-30-2018 at 11:44 PM..
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      08-05-2018, 06:58 PM   #6
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Quote:
Originally Posted by vtknight View Post
I have done well with the car...a best of 12.19 at 117 MPH bone stock on stock tires (PS4's).

I have beaten a bunch of much faster cars with it too on poor prep days against my RWD competition.

I can't seem to post my slip - I will when I'm home.

I really didn't think this was possible, I love my m550i even more now! Lol!
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      09-04-2018, 06:59 AM   #7
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Hey, I'm just a regular guy, 50 years old, just got an M550. I use pump gas, stock exhaust. If I am just using 93 octane, no modifications, no anything, and they're only offering map one right now for the JB4,is there really a difference between jb4 and jb1???
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      09-04-2018, 07:02 AM   #8
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The reason I ask, is jb4 is saying 40- 100 HP gains, but is that with modifications and different fuel? I would like a plug-and-play system, but 40 hp seems minimal compared to the Dinan tune of 590+
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      09-04-2018, 07:51 AM   #9
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Quote:
Originally Posted by billybarr View Post
The reason I ask, is jb4 is saying 40- 100 HP gains, but is that with modifications and different fuel? I would like a plug-and-play system, but 40 hp seems minimal compared to the Dinan tune of 590+

Read my post on this thread:

https://www.bimmerpost.com/forums/sh...php?p=23653142
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      09-04-2018, 08:01 AM   #10
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Thanks so much for the response. Great information. Your personal Pinyan, cost efficiency, bang for the buck… Do I really need the Jb4 if the stage one is producing such good numbers? The numbers have persuaded me to go with BMS. But which one, that is the question
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      09-04-2018, 08:06 AM   #11
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Also, I just received an email from Christine at BMS, she wrote that they are only using map one right now on the jb4, yet the other poster said he used map 2. I'm so confused
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      03-27-2019, 11:30 AM   #12
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Not the greatest camera work

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      03-27-2019, 11:32 AM   #13
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Here is the slip for that run

Best run of the day
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      03-27-2019, 02:44 PM   #14
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Garage List
2019 540i  [0.00]
I never seem to see any quarter mile runs for 540's, seems to be only the 550's.
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      10-10-2019, 08:30 PM   #15
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2019 m550
RaceChip GTS Black
11.87 @116.5
Humid and warm... DA 3200
Should be mid 11s with normal temp and humidity as elevation is only 700ft
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