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09-07-2012, 07:27 AM | #23 |
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give it time and will be more powerful tunes. Remember, first post states this as a STAGE1.
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09-07-2012, 09:06 AM | #24 |
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liked the filming..
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09-07-2012, 11:52 AM | #25 |
one day...
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This Stage I Velos Tune appears to just be a software tune w/o any other modifications; that's a very nice +13%Hp and +16%lb-ft. (I'd need to see Velos' stock baseline dyno runs to make sure my math is right - I was basing that off 560Hp/502lb-ft reported from BMW).
As others have mentioned, there are shops making 400Hp easily with the N54/N55 motors in 135i/335i/535i. So extrapolating from those numbers we know that typical aftermarket boost upgrades generally gain 15-25%. I would not be surprised if we soon see 650-750Hp M5's/M6's. Probably a Stage II style setup that would include a Software Tune and aftermarket exhaust (maybe cat back, new high flow cat and/or turbo back...I don't know). 750+ will come with Stage III - improved intercoolers, fuel delivery system, turbo back exhaust, etc... Given enough time and money shops like Underground Racing, HPF, Hennesy, etc could take the S63 motor out to +1000Hp. ![]() |
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09-07-2012, 12:28 PM | #26 |
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I don't understand the need for a tune like this. The M5 is traction limited not power limited. Not sure you would get much benefit from more power.
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09-07-2012, 08:25 PM | #27 | |
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09-07-2012, 10:30 PM | #28 |
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Valid Point. I've already seen the traction light flash stomping on it around 80mph and then again from the upshift from 3rd to 4th around 100mph!!
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09-07-2012, 11:15 PM | #29 |
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Because power is nothing without control.
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09-08-2012, 09:13 AM | #30 |
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Do you think every 600+ HP car is pointless then?
Throwing out the G-Powered M5, HPF M3, etc. etc. 650hp can easily be handled for a 4000lb+ car unless you're trying to put it down on uneven surfaces and just complain about not having traction. That's equivalent to a Civic SI driver chirping going into 2nd and complaining about the lack of traction.
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09-08-2012, 09:36 AM | #31 | |
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09-08-2012, 11:02 AM | #32 |
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gotta love turbo cars. so easy to make even faster.
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09-08-2012, 03:39 PM | #35 |
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In addition to before and after dyno numbers, tuners should post GPS logs of before and after pulls from 60-130mph. Where the rubber hits the road is, well, where the rubber hits the ROAD, not a rolling dyno drum...
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09-08-2012, 04:09 PM | #36 |
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12-12-2012, 04:00 PM | #39 | |
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I've heard a simple tune and exhaust can get up to around 700 crank horsepower on the S63 engine.
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