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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications Guess 1/4 mile for this build?

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      03-23-2024, 02:12 PM   #1
GA/\/\/\/\A_CT
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Guess 1/4 mile for this build?

What’s your guess at 1/4 mile time and mph for this build.

2020 m340i x-drive
Mods:
Apex VS-5rs wheels (30lb+ weight reduction)
AA catted downpipe
Mission Tuning 93octane OTS ecu and transmission tune
Eventuri intake

I’ve seen similar builds make 430-450whp.

My guess is 11.5 @ 117mph

What’s yours?
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      03-24-2024, 06:02 AM   #2
Rdurty2
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Buy yourself a dragy and find out.

My guess 18.2
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      03-25-2024, 05:35 AM   #3
GA/\/\/\/\A_CT
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Quote:
Originally Posted by Rdurty2 View Post
Buy yourself a dragy and find out.

My guess 18.2
Good idea.

But I am planning some of those mods, not yet tuned, nor intake.

Have wheels and downpipe…

I have seen car with downpipe run 12.0@113

I’m guessing another 75whp would drop to 11.5@117

What’s your actual guess?
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      03-25-2024, 07:51 AM   #4
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Quote:
Originally Posted by Rdurty2 View Post
Buy yourself a dragy and find out.

My guess 18.2
This. This post is pointless. Buy a Dragy and test it or take it to a track. There’s far too many factors to consider.
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      03-25-2024, 10:52 AM   #5
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Quote:
Originally Posted by dustwhyn View Post
This. This post is pointless. Buy a Dragy and test it or take it to a track. There’s far too many factors to consider.
it sounds like he does not have these mods on the car. he is asking what his time would be if he were to get these parts.

he needs to buy the upgrades first then the dragy.
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      03-25-2024, 04:25 PM   #6
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Quote:
Originally Posted by mike@x-ph.com View Post
it sounds like he does not have these mods on the cars. he is asking what his time would be if he were to get these parts.

he needs to buy the upgrades first then the dragy.
Correct, thanks Mike.
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      03-27-2024, 10:40 AM   #7
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Quote:
Originally Posted by GA/\/\/\/\A_CT View Post
What’s your guess at 1/4 mile time and mph for this build.

2020 m340i x-drive
Mods:
Apex VS-5rs wheels (30lb+ weight reduction)
AA catted downpipe
Mission Tuning 93octane OTS ecu and transmission tune
Eventuri intake

I’ve seen similar builds make 430-450whp.

My guess is 11.5 @ 117mph

What’s yours?
I think you'll be making a bit more power than that, although it can be deceptive with mission in that the power is delivered in a near oem like fashion, silky smooth. And based on what I can remember you are likely about spot on with your 1/4 mile guess. As I recall the ET may be a tenth or so less and the speed may be close or at 120

ps- what you have listed is a really nice setup. Keep us in the loop
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      03-27-2024, 03:15 PM   #8
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It will also depend on your tires. My guess is high 11s.
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      03-27-2024, 04:38 PM   #9
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11.8 at 116
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      03-27-2024, 05:27 PM   #10
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Thanks guys. Sounds like you and I are in same basic range….
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      03-30-2024, 10:01 PM   #11
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