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      05-23-2024, 09:51 AM   #1
Ekliptix
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Drives: 2019 X3 M40i
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New best fuel economy and 0-60 (M40i stage 2)

On Monday I drove 320 miles (~500km) through the mountains back home. Drove like a granny, speed limit or a little over.

BM3 stage 2, catted DP, and I recently added xHP stage 2 trans tune. Trans tune feels good, not sure it's helping my acceleration.

Got 7.1L/100km or 33.1MPG. Super happy.


Got home and tried a 0-60 now that I have launch control figured out. 3.99.
The 60ft time worked out to be 1.80 sec. I think I can get it down a little more. My prev best 60ft time (no launch control, no trans tune) was 1.85 so there's gotta be more on the table.

Prev best 1/4mi time (no launch control, stock trans tune) was 12.44 at 110mph. I didn't run the 1/4 out this time, but I'm guessing 12.35 having shaved 0.05 off the 60ft time.


Love the car.
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      05-23-2024, 03:20 PM   #2
WHITEUNDERARM
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Drives: 2022 X3 M40i
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2022 BMW X3 M40i  [10.00]
Nice!

What do your XHP settings look like?
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      05-23-2024, 03:45 PM   #3
Ekliptix
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It's just default stage 2. Except:
- Launch torque (+5%)
- Torque scaling after launch (+5%)
- Line pressure bump.

There's no real tire slip on launch. I could apply more aggressive launch settings, but I'm trying to be safe with the trans.
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      05-27-2024, 01:18 AM   #4
mailman_fin
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This is X3 for my taste
More details/pics about the car?

Have you dynoed it after BM3 and DP ?
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