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| 09-29-2011, 01:29 AM | #2 |
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Banned
Drives: 2011 135i 6M, AW, CR, MSPORT Join Date: Jun 2010
Location: USAF Aviano Italy
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Anything is possible with the right money thrown at it.
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| 09-29-2011, 01:55 AM | #4 |
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Colonel
 Drives: 1988 M3 gone .. 1M HERE!! Join Date: Mar 2008
Location: Dallas, Tx
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Why? Sorry...I'm not incredibly versed on turbo cars.. but wouldn't it be easier to...
1- swap to larger turbos 2- larger front mounted intercooler (FMIC) 3- dial up the boost 4- tune I don't understand why one would put a supercharger on a car with turbos... sorry.. 
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Lone Star BMW CCA Chapter president, Chief Driving Instructor
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| 09-29-2011, 02:28 AM | #5 | |
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Captain
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Quote:
You can do it properly with a positive displacement blower that has a clutch to disengage the pulley when the appropriate turbo rpm is reached. |
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| 09-29-2011, 04:26 AM | #7 | |
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Lieutenant
Drives: '69 GT3, R32, 1M, 912 Join Date: Nov 2010
Location: SF Bay Area, Shenzhen, Oman
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Quote:
As you say, it's generally used to reduce lag, such as: http://www.greencarcongress.com/2005..._vws_new_.html But the 1M already has small turbos and not much lag, so it's be a lot of complexity and weight for little gain (which is probably why BMW didn't do it). Now if you swapped the turbos for larger ones then it might be worthwhile to reduce the lag, but the OP suggested leaving the turbos stock... Could it be done? Probably yes. Should it be done? Probably no...
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1969 Porsche 911 w/ 997 GT3 Cup Motor (435hp & 2,100 lbs)
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| 09-29-2011, 01:06 PM | #16 |
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Captain of the Enterprise
Drives: 2011 1 Series M Coupe Join Date: Nov 2010
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I'd switch out the turbos for a pair of warp nacelles.
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 2011 1 Series M Coupe VO M3 vs 1M Comparo Review 2011 M3 E90 DCT ZCP (sold) * 2010 335i Sedan (sold) 2005 M3 Convertible (sold) * 2003 325i Sedan (sold) |
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| 09-29-2011, 01:23 PM | #17 | |
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First Lieutenant
Drives: '02 M Roadster, '11 AW 1M Join Date: Jun 2011
Location: Portland, OR
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Quote:
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| 09-29-2011, 01:31 PM | #18 |
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Lieutenant
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supercharger vs twin turbos and supercharger
just watch it it explains why twin charging needs to be done to the 1m
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//Mods: Golf Tee, red out tails, smoked fogs, B&G S2 Springs, Adjustable Koni Yellows, Vorshlag Camberplates, 19x8.5 19x9.5 VMR v718, 225/245 PSS, Rolled fenders http://www.1addicts.com/forums/showthread.php?t=498857
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| 09-29-2011, 01:34 PM | #19 |
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Banned
Drives: VALNCYA Join Date: Jan 2009
Location: Jersey
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S 63 Ftmfw !
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| 09-29-2011, 01:35 PM | #20 |
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First Lieutenant
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No it demonstrates what happens when you don't right-size your turbochargers and can't run a sequential setup.
The other thing it demonstrates is that both cars are limited by traction and comparing four-figure HP cars to 1Ms and VWs is irrelevant. EDIT: Let's also overlook the fact the Ford GT has an extra FIVE HUNDRED horsepower. Yeah, lets chalk all the advantages up to twincharging. Last edited by ZCP M3; 09-29-2011 at 01:51 PM. |
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| 09-29-2011, 01:44 PM | #21 |
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Lieutenant
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It demonstrates the basic assertion that twin charging has potential
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//Mods: Golf Tee, red out tails, smoked fogs, B&G S2 Springs, Adjustable Koni Yellows, Vorshlag Camberplates, 19x8.5 19x9.5 VMR v718, 225/245 PSS, Rolled fenders http://www.1addicts.com/forums/showthread.php?t=498857
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| 09-29-2011, 01:46 PM | #22 |
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Captain
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Lol
I never said it would be practical or worthwile in my opinion, just letting it be known it can be done and has benefits. If you have to ask you are probably better off paying someone else to design your twin-charged N54. |
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