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      01-12-2015, 02:16 PM   #1
opasha
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Drives: 2014 BMW X5 50i
Join Date: Apr 2014
Location: Maryland

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F15 X5 Tune Thread

Since we have so many great tunes and so much feedback in hidden/random places, I decided to make a thread to keep it all in one place for new owners to search easily like I did for the coding thread. I would like to thank everyone for their efforts, discussions, tests, and installs thus far. So many people would be lost without all of these resources. Let's just start putting things together and discuss everything from installs to tune settings for particular engines and chips. PM me any helpful info and I will add it to the OP. I'm open as I was in the coding thread to all suggestions at modifying this accordingly. Please PM me all the right installation pages because I don't have time right now to search for all of them. I know the X5 diesel thread has a lot, but I would prefer a single organized installation page or pdf as those done below. As for the discussion purposes, let's just start with this format:

1) Your vehicle year and engine
2) Your tune chip
3) Your chip settings
4) Any other info you would like to add that you think is helpful from links, 0-60 times, etc

Thanks everyone!

Sensor Types (thanks r33): http://f15.bimmerpost.com/forums/sho...8&postcount=81. The newer cars including our F15/F16 have the sensors pictured on the left (BMS: Type B, RC: 8720, AFE: Sensor 2). Make sure you get the harness that is correct for your sensor type or else you will have a Drivetrain Malfunction because they sensors will not fit/touch correctly.

RaceChip Torx Screw Screwdriver Size = T10

Installation Guides:
F15 50i:
RaceChip TB Ultimate: http://f15.bimmerpost.com/forums/sho...&postcount=100 (install time: 20-30 minutes)

BMS Stage 1: http://f15.bimmerpost.com/forums/sho....php?t=1033033 (install time: 1-3 minutes)

F15 35i:
RaceChip TB Ultimate: http://f15.bimmerpost.com/forums/sho....php?t=1077731 (install time: 3-5 minutes)

BMS Stage 1: http://f15.bimmerpost.com/forums/sho...d.php?t=964186 (install time: 3-5 minutes)

Stock Chip Settings:
RaceChip TB Ultimate for F15 X5 50i and 35i: S1=1 S2=B

RaceChip CR Ultimate for F15 X5 35d/30d: S1=0 S2=E

RaceChip Optimal Performance Settings for Diesel Engines (thanks Trojanlaw): This only apply to diesel engines.
Detailed Information: http://f15.bimmerpost.com/forums/sho...1&postcount=24
Picture of the Information from RaceChip Diesel Manual: http://f15.bimmerpost.com/forums/sho...1&postcount=26
The consensus seems that safest increased setting is S1=2 S2=E, while 42pilot has found and tested that S1=3 S2=0 is the best balance for power/stability

RaceChip Optimal Performance Settings for Petrol Engines: The best choice right now is S1=1 S2=D for the 50i. The 35i has varying tested numbers. I would start small. S1 does nothing for petrol users so leave it alone.

Comparisons:
RaceChip vs BMS for F15 X5 35d: http://f15.bimmerpost.com/forums/sho....php?t=1054519

0-60 info:
RaceChip CR Ultimate for F15 X5 30d: http://f15.bimmerpost.com/forums/sho....php?t=1043191

Dyno Runs:
RaceChip CR Ultimate for F15 X5 35d: http://f15.bimmerpost.com/forums/sho....php?t=1073946 (page 2 for dyno results)
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2014 X5 50i X-Line // Mineral White

Last edited by opasha; 03-04-2015 at 07:30 PM..
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