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2Addicts | BMW 2-Series forum Technical Topics B58 (M240i) Engine, Transmission, Exhaust, Tuning 1/4 Mile first results this year

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      04-07-2019, 03:02 PM   #1
olehead
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1/4 Mile first results this year

NE Dragway -The track was really slick so difficult to launch therefore the 60 ft were not great average 1.93 for 5 runs - based on that very pleased our average ET was 12.3 with average trap speed of 114.5 - With a better track prep allowing a harder launch giving a 60 ft of 1.7 we will be in high 11 range - Dinan stage 1 Tune, Dinan CAI and MPE exhaust on street tires
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      04-07-2019, 07:39 PM   #2
greg21040
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That's a good time. I ran 12.0-12.1 consistently with pretty much the same setup, but after I got the VRSF downpipe I dropped to 11.60s consistently with occasional 11.50s. Cooler temperatures; like upper 30s.
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      04-08-2019, 05:27 AM   #3
olehead
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Yes I am sure we will be in the high 11 nx time out and better when Dinan comes out with their stage 2 tune
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      04-08-2019, 05:47 AM   #4
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Quote:
Originally Posted by greg21040 View Post
That's a good time. I ran 12.0-12.1 consistently with pretty much the same setup, but after I got the VRSF downpipe I dropped to 11.60s consistently with occasional 11.50s. Cooler temperatures; like upper 30s.
Great times: Question?
Catted?
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      04-08-2019, 05:54 AM   #5
greg21040
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My downpipe does have a 200 cell cat. I've repeatedly called Dinan over the last year and a half about the stage 2. Last month they told me they put the stage 2 for the b58 aside to work on the new M3 and M4 and that they won't have it complete until January 2020. I just got the Mission Performance Stage 2 with the trans flash. I love it!
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2017 BMW M240i xDrive - Mission Performance Stage 2 and transmission flash, CSF Intercooler, VRSF 4.5" downpipe, Dinan midpipe, BMW M Performance muffler, Agency Power Cold Air Intake. 11.58 @ 116MPH
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