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      07-21-2019, 04:46 PM   #23
Justin.AutoTalent
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600 WHP is do able on stock turbos and E85, 800 is do-able with upgraded turbos.

Happy to help you dial something in. My car is making 612 to the wheels on Cary Jordan's E85 tune with stock turbos
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      07-21-2019, 07:16 PM   #24
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Take a look at our GC's;

On pump gas: https://f80.bimmerpost.com/forums/sh....php?t=1584273

Quick tune before a race on E85: https://f80.bimmerpost.com/forums/sh....php?t=1608484

-Chris
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      07-21-2019, 07:37 PM   #25
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At what point do you start to worry about the bottom end? 700 whP? Do you even worry at that level if it is 100 pct street car?
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      07-24-2019, 12:04 PM   #26
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I have a mechanic that does work out of his house so I’ve saved a bit on labor..

Pure stage 2+’s, fuel-it stage 4 Pi, evolution of speed intake manifold, downpipes, boot mode tune, burger intakes... all said and done probably 10.5k or so in.. FYI all of my parts but the downpipe and tune obviously were purchased used.

Sub 5 60-130 is going to require more that a budget build...
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      07-24-2019, 01:33 PM   #27
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Quote:
Originally Posted by PhaedeDPGH View Post
I have a mechanic that does work out of his house so I’ve saved a bit on labor..

Pure stage 2+’s, fuel-it stage 4 Pi, evolution of speed intake manifold, downpipes, boot mode tune, burger intakes... all said and done probably 10.5k or so in.. FYI all of my parts but the downpipe and tune obviously were purchased used.

Sub 5 60-130 is going to require more that a budget build...
This sounds like a great build. Can’t wait to see more posts about it!

Couple notes:

1. You can puchase any of these parts used, including the BM3 tune (not the custom tune obviously)

2. It’s definitely not the budget type of build. But very nice regardless

3. It will definitely be well over 600 bhp but wondering if what numbers this will achieve

4. Did you upgrade the intercooler as well? Are you using stock brakes or upgrading those as well?
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      11-13-2019, 09:37 PM   #28
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How do the labor estimates here look? Anything I forgot?

$8k for some turbos is pretty wild, it's 50% of the parts build cost lol. Could probably scrape by with cheaper ones.

Don't really know if you need chargepipe if you aren't going to do meth.

Do you really need heat exchange + intercooler upgrade for just highway pulls?
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Last edited by MuffinFlavored; 11-13-2019 at 09:43 PM..
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      11-13-2019, 09:40 PM   #29
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Quote:
Originally Posted by MuffinFlavored View Post
Code:
Platform	F80/F82 BMW M3/M4		
Target:	5.5s 60-130mph / 750whp + 650wtq		
Fuel:	100% E85		
Labor rate:	$125		
Transmission	Manual		
			
Part	Notes	Cost	Labor (hr)
Turbos	Kratos KRAS55Bi	$7,895	5
Port injection	Fuel-It Stage 4	$3,000	3
Crank hub	Maximum PSI	$1,200	5
Heat exchanger	CSF	$700	2
Tune	F80Paul or Cary Jordan, ~32psi boost	$600	0
Tune license	Bootmod3	$600	0
Downpipe	VSRF	$600	2
Intercooler	CSF	$550	2
Midpipe	VSRF	$500	2
Intake + filters	BMS	$480	2
Port injection controller	Split second AIC6	$330	1
Chargepipe	VSRF	$300	2
Injectors	950cc	$100	1
Sparkplugs	NGK	$85	1
Pistons	Stock		
Rods	Stock		
Clutches	Stock		
Block	Stock		
Axles	Stock		
Driveshaft	Stock		
		$16,940	$3,500
Which shop?
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      11-13-2019, 10:05 PM   #30
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A lot of that stuff can be found lightly used for far less in the classifieds. If you're running that kind of power through a stock engine and trans, something will fail, so keep that in mind.

As for the hours estimated, that's really going to come down to how experienced the mechanic is with the F8X platform. It could be substantially more if they don't know what they're doing. At the right shop, I'd say you're slightly high on a few and maybe a little low on others.
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      11-13-2019, 11:46 PM   #31
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Guessing there are at least 40k M3/M4's out there.. do we know how many actually suffered a failed crank hub?
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      11-14-2019, 02:43 AM   #32
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I hope nobody here has done VTT turbos. Ticking time bombs: https://f80.bimmerpost.com/forums/showthread.php?t=1669217
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      11-14-2019, 09:05 AM   #33
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Quote:
Originally Posted by MuffinFlavored View Post
How do the labor estimates here look? Anything I forgot?

$8k for some turbos is pretty wild, it's 50% of the parts build cost lol. Could probably scrape by with cheaper ones.

Don't really know if you need chargepipe if you aren't going to do meth.

Do you really need heat exchange + intercooler upgrade for just highway pulls?
Labor hours are way off.

Figure 30 hours for the crankhub
Figure 10 hours for the turbo
I don't see dyno time?
Front mount heat exchanger is probably 4 hours
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      11-14-2019, 11:01 AM   #34
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Quote:
Originally Posted by blackey View Post
Labor hours are way off.

Figure 30 hours for the crankhub
Figure 10 hours for the turbo
I don't see dyno time?
Front mount heat exchanger is probably 4 hours
is that 30 hours for any and all crankhub solutions?
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      11-14-2019, 11:02 AM   #35
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Quote:
Originally Posted by blackey View Post
Labor hours are way off.

Figure 30 hours for the crankhub
Figure 10 hours for the turbo
I don't see dyno time?
Front mount heat exchanger is probably 4 hours
How does my labor estimate look for port injection setup? 5 hours for full system + controller + injectors?
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      11-14-2019, 12:01 PM   #36
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Quote:
Originally Posted by aBMWfan View Post
I hope nobody here has done VTT turbos. Ticking time bombs: https://f80.bimmerpost.com/forums/sh....php?t=1669217
i feel bad for him after all the money he spent on installs

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      11-14-2019, 08:52 PM   #37
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Not sure on the port injection I didn't do that one (yet

VTT crankhub is more like 20. Any of them that you drill the crank requires more disassembly and is ~30. I think the drilled version is probably the better way to go, but they are all super expensive to install.
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