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12-11-2013, 07:18 PM | #45 |
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You are misreading - slow down. M4 coupe is 176 lbs lighter than the "old" E92 M3 Coupe, not the F82. F82 is 50 lbs lighter than F80 per the specs. Coupe has the advantage of CFRP trunk lid, but other than the door count not much difference.
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12-11-2013, 07:19 PM | #46 |
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I LOL to those getting caught up in the factory hp/tq claims.
It's convenient if you want to poo-poo this car to justify what you currently drive. But from the N54 to the N55 and even to the N20, it should be common knowledge to know that BMWs FI claims fall much closer to wheel hp. I find it a pleasant surprise. So wait for the dynos before you shit all over the specs.
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12-11-2013, 07:20 PM | #47 | |
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12-11-2013, 07:21 PM | #48 | |
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12-11-2013, 07:26 PM | #49 |
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The M4 is 50lbs lighter than the M3. Not 176. Cheers
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12-11-2013, 07:32 PM | #50 |
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And then we have this crap of "Well my N54 makes just as much power with a tune and bolt ons".
Seriously? We are talking about an out of the box car with a full warranty that will likely put down 400-430whp. Great, an N54 with downpipes, tune, FMIC, TBE MIGHT crack 400whp. But are we assuming the aftermarket is just going to ignore this S55 which sounds like an N54 dialed up to 11? I foresee this car being comically easy to crack 500whp. Should only take a tune and TBE, about $1500-1800. Sounds good to me.
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12-11-2013, 07:33 PM | #51 | |
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12-11-2013, 07:39 PM | #52 |
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12-11-2013, 07:44 PM | #53 | |
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Firstly, as you know, HP wins races. This is why my S/C M3 with only 370 lb ft of torque to the wheels stomps cars making twice as much torque on airstrip events. And because the S65 can be easily modded to extract HP. A tune + catless exhaust can provide 30-40 HP increase on the S65 motor. Supercharged S65's are making 600+HP with no issues. It will be extremely hard to extract any additional HP from the new M3/4 without throwing some kind of code. Long gone are the days of buying a $5 resistor from Radio Shack and getting 50 HP from the N54 motor. Just look at the new turbo M5's and M6's with the Bosch ECU's. How long have these cars been out? My friends who bought the first ones and tried the tunes + downpipes are having real problems. BMW is a lot smarter than any of the tuners, and they are putting forth significant measures to prevent the aftermarket world from having their fun.
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12-11-2013, 07:45 PM | #54 |
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Same 3.0 liter block on this car is going to be stressed from the factory. Aftermarket tuning is going to be somewhat limited...not like what the N54 guys are/were experiencing.
Until Chris Harris gets behind the wheel I'm going to refrain putting down a deposit. A lot of marketing Kool Aid here, let's not forget the competition is bringing heavy artillery to this next generation gunfight and BMW is giving us a tweaked N55. And charging us for it. |
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12-11-2013, 07:45 PM | #55 | ||
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12-11-2013, 07:47 PM | #56 | |
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However, I think 400-430rwhp for the stock M3 is exaggerating it a bit. I know BMW has been underrating it's engines, but I think 430rwhp is way off. I'd say 380-390rwhp is more likely where it's going to be. And regarding modding the M3 I think it will cost much more than $1500-$1800 for a tune and TBE. Keep in mind there's a premium vendors will charge just for the M badge even though same parts for the 135 or 335 will cost half as much.
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12-11-2013, 07:48 PM | #57 | |
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12-11-2013, 07:48 PM | #58 |
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How? Do you understand what BMW has done to prevent aftermarket tuning on the M3/4?
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12-11-2013, 07:49 PM | #59 | |
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You think cracking the N54 wasn't a challenge at first? Every new DME launched, they say the same thing. It's going to be harder than ever, this one is uncrackable...until it's cracked.
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12-11-2013, 07:52 PM | #60 | |
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But I hold to my 400-430whp estimate. I watched my N20 put down crank+ numbers, I see it on my friends N54, I frankly am used to seeing it on any modern FI BMW engine. Why would the S55 suddenly be different? As for tuning cost...BMS seems to charge the same $350-500 whether it is an M product or not. Sure, not the only game in town, but even Cobb is usually $600-900. Exhausts, well those will run from moderate to crazy like is always the case. You can be the guy to spend $5k on a titanium exhaust or be the guy who gets it done for $1000.
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12-11-2013, 07:56 PM | #61 | |
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And you are wrong, the n54 was simple to crack. Boost could be changed from the factory profile of 8psi tapering to 6psi, to 18psi tapering to 12psi with a simple $5 resistor...and air/fuel and knock would compensate. It took a few hours to figure out. I know because I had one of the first 335's in North America back in 2006 and tossed a resister on it the first day I owned it and then had my buddy Shiv (Vishnu) put on the Xede (predecessor to the Proceed) a couple days later.
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12-11-2013, 07:57 PM | #62 |
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12-11-2013, 07:59 PM | #63 |
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Looks like Terry has one of the first build spots so it shouldn't be too long before he cracks the DME and provides another great tuning solution for the M3/M4.
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12-11-2013, 08:01 PM | #64 | |
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I am glad that we are so good at time travel. First it's pooping on a car no one has driven or tested. Now it's dismissing the cars future tuning potential. I am not claiming that tuning this car is going to be EASY or fast and speedy. All I am saying is not just BMW, but in the tuning arena as a whole, it is always said how hard some next generation of ECU is going to be to crack. But it gets done. Problems still with the M5/M6? Ok, does that mean it's always going to be this way?
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12-11-2013, 08:04 PM | #65 | |
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12-11-2013, 08:06 PM | #66 |
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