[sstarch1]

Originally Posted by GAaaAR

Oooo i cant wait to see that video from your treo. By the way how accurate can using a stop watch be? Not questioning how fast the 335i is, but theres a huge margin of error doing that.

I would say +/- .5 sec

Probably on the plus side since it is human to anticipate when to pull the triggger on the stop watch.

[all8up]

Originally Posted by shiv@vishnu

"Another thing we did was made a cat-back exhaust system for it. Nothing fancy. Just a one-off prototype that we pieced together with 2.5" crushed bent piping and standard magnaflow mufflers. It replaces the exhaust just after the downpipes. The two factory cats in the downpipe are still in place. But the secondary cats, along with a bunch of bendy exhaust tubing, was all replaced. If we can make good power with this quickie exhaust, we should do really well with a production version offering larger volume mufflers, mandrel bends, etc,. In a way, I wish I had waited to put on the exhaust later and just re-dynoed the car with just our new-found fuel and boost control. But I didn't. So shoot me. We could always stick the stock exhaust back on next week and dyno it again. But hey, I was impatient for a fast car that actually sounded fast"

Sorry if I missed this, but is this exhaust going to fit the 335 Sedan?

[stressdoc]

0-100 in 10 secs. That is seriously fast. This car is going to get a lot of us in trouble with the law and our insurance companies. I am looking forward to advice on what additional mods to the suspension/brakes/drivetrain should accompany a Vishnu powerboost.

[sstarch1]

I think the suspension and drivetraint will be ok.
The breaks i would love to upgrade, although that will probably cost somewhere around 3-4K no?

[silvrevo]

Brakes !!!!!!!! lol

And I hope this isnt the first place for Shiv to see how you drove his car.

And I vote for a new Thread when somone gets the first exde/tune and exhaust installed.

[RiXst3r]

Stole this from another thread... For everyone saying that the drivetrain cant handle the new power from this mod, check out the 335d in some non-US markets

http://www.bmw.co.uk/bmwuk/pricesand...-bmwuk,00.html

it has 580Nm = 427.8 lb-ft of torque.

now, also note that its only availible with the ZF automatic transmission...

However the 330D is available with the standard manual transmission and produces 500Nm or 369lb/ft so the manual transmission should be able to handle anything shiv can do with a xede/exhaust... considering BMW themselves produces way more power with these cars in other markets safely

[edgarj]

Wow! Cant wait for the video either. I really can't believe he let you drive that beast on a whim like that.

[e36jakeo]

I, too, was amazed Shiv had such faith in me. We both had in common that we instruct on the racetrack, so he knew I knew how to drive. Still, his new baby is worth a good chunk of change and that was very nice of him, to say the least.

I uploaded my video to youtube and am waiting for it to be processed. Not sure if they will be able to work with that video format, but I will post the link as soon as it is up.

I retimed the video at 10.5 - 11 seconds, but with 0-60 in over 5 seconds. In other words, it was a crappy launch (I was not going to be hard on Shiv's car!!). Figure 0-60 in 4.5 and 10 flat or better with a better launch and faster shifting.

[Mr.Marvelous]

Lemme figure something out...

335i has a twin turbo 3.0 engine, and its something new for bmw, its been pretty long since they produced turbos...

The stock 335i has 306hp , and you re saying that the new e92 m3 will have around 400hp...

A 3.0L engine with twin turbos (and build with bmw quality) has a lot of tuning potential... I can see people modding their 335i 's to produce more than 500hp...

so, won't this cause a cannibalization for BMW? This 335i is definitely going to hurt their m3 sales...

[sstarch1]

Shiv, have you tuned a customers car yet?

Anyone here know of anyone who has installed vishnu products on the 335i?
(XEDE/Exhaust)?

[radgator1]

QUOTE=sstarch1]Wonder if it is possible to keep the exahust tips AS STOCK as possible, love the look. Thick metal.[/QUOTE]

The stock exhaust tips are a little too small. I am only (only hehehe) on page 25, but if not posted yet I would like to see a pic of the X-haust, particularly the tips.

Question for Shiv, again if already addressed please ignore. I was the one who suggested you smog the car with the secondary catless exhaust and it is great to see it passed so easily. But one thing I noticed is on the report under exhaust type the tester chose "single" rather than "dual". I really dont know anything about smog testing but if he chose single does that mean he was measuring only half the total particles, gases etc which would explain why it passed so easily? I would guess it is a legit result but that "single exhaust" on the report keeps bugging me. Can you comment?

Thanks

[herbz]

Originally Posted by Mr.Marvelous

Lemme figure something out...

335i has a twin turbo 3.0 engine, and its something new for bmw, its been pretty long since they produced turbos...

The stock 335i has 306hp , and you re saying that the new e92 m3 will have around 400hp...

A 3.0L engine with twin turbos (and build with bmw quality) has a lot of tuning potential... I can see people modding their 335i 's to produce more than 500hp...

so, won't this cause a cannibalization for BMW? This 335i is definitely going to hurt their m3 sales...

the tuner market is very small compared to "everyone else" that buys a bmw car. fact is most people who would be interested in slapping on mods on a 335, can't even afford the car, let alone the mods. that's what we have civics for.

and the warranty issue is really a big deal for some people. the question is, could you make a 335 as fast as a new m3 without going over the price of the new m3? if the answer is yes, then you may be right. but i seriously doubt 2 small turbos on a 3L i6 could put a dent into the power the new v8 is going to be making. especially on the highway. i believe it will take some serious money (and perhaps some new turbos) to make the 335 faster than an e92 M3.

[Mr.Marvelous]

Are you considering the fact that vishnu has gained like 80hp by just some computer tricks?

I still insist on the performance of the new m3 can be achieved cheaply by modding 335i

[jacksonjw81]

Originally Posted by Mr.Marvelous

Are you considering the fact that vishnu has gained like 80hp by just some computer tricks?

I still insist on the performance of the new m3 can be achieved cheaply by modding 335i

I agree, it is cheaper to get more HP/TQ out of some turbos then it is in NA version.

Shiv what is your website?

Nevermind

http://www.vishnutuning.com/

[sflgator]

Originally Posted by Mr.Marvelous

Are you considering the fact that vishnu has gained like 80hp by just some computer tricks?

I still insist on the performance of the new m3 can be achieved cheaply by modding 335i

According to Shiv, the Xede & Vishnu exhaust mod is adding about another 60HP/60+TQ and the Xede-only kit should add about another 30HP/30TQ. Of course, even with a mod like this, I think it would be difficult to get more than 1/2 sec. 0-60mph (or a full sec. in a quarter mile) gain.

Even stock, the 335i is at or below 5 sec. flat. Adding mods, it's possible to get close to 4.5 sec. 0-60mph times, but now you're getting toward supercar speed; anything faster than that, you're talking about cars like supermodded EVO's (like Shiv has done) and the Porsche 911 Turbo, GT3, Vette Z06, Ferrari, Viper, Merc. AMG's, etc. I think ppl need to understand that the BMW 335i is a very fast car stock, and with mods, you might gain some speed, but don't expect to beat 500-600HP cars like the Ford GT or Ferrari Enzo (not that you'd really want to try, right?)!

[John]

wow i just started reading some of this thread. real interesting stuff. glad to see shiv getting such a head start on the 335.

keep up the good work man! i'll be follow along this thread

[sarends]

herbz,
let me give you a "high altitude" perspective to this argument. I live at 6,000 feet in Colorado. At my altitude a normally aspirated motor (NA) makes about 77% of its sea level power. A modern turbocharged motor (to the best of estimates that I can obtain by talking to numerous experts) loses between 7% and 10% at my altitude, depending upon the boost being delivered, the intelligence of the ECU and the efficiencies of the turbos etc. (figuring this out scientifically is difficult from the research I have been doing - some peopleargue that the loss could be 0% for some motor/turbo combinations but I am not assuming that).

So, if the new M3 makes 425 BHP at sea level it will only make 328 BHP at my altitude (425 x 77%). It appears that a stock 335 makes (in reality) about 325 BHP (according to numerous dyno tests) at sea level. At my altitude it will make somewhere between 292 BHP and 302 BHP (325 x 90% to 93%). If I were to purchase the XEDE and the Vishnu exhaust this should increase between 50 and 70 BHP (according to the dynos I have seen in this thread) landing the BHP at my altitude somewhere between 337 and 365 BHP compared to the new M3's 328 (at 6,000 ft altitude)!!!

Now these figures compared to the M3 are very very attractive to me. High altitude challenged guys like myself have an even greater reason to be excited about well built easily tunable cars like the 335!

Now, let's take a second to compare torque figures!! The new E92 M3 will probably produce torque to the wheels of 290 to 300 at sea level. At 6,000 ft altitude this will be reduced to 225 to 230 lbs. However, Shiv is obtaining consistent torque readings in the neighborhood of 350 and as high as 370! If you reduce this by 7% to 10% at my altitude I would still be realizing torque of somewhere between 315 lbs and 350 lbs compared to the new M3's torque of approximately 225 - 230!!! This is enormous for someone at high altitudes! It will actually be quite difficult for the new M3 motor to compete against a modestly tuned 335 at altitudes.

Now the handling and styling of the new M3, that is an entirely different matter - the e92 M3 will destroy the 335 in the twisties and at the track and it will cost a considerable chunk of change to get a 335 to handle anything like the new M3.

Originally Posted by herbz

the tuner market is very small compared to "everyone else" that buys a bmw car. fact is most people who would be interested in slapping on mods on a 335, can't even afford the car, let alone the mods. that's what we have civics for.

and the warranty issue is really a big deal for some people. the question is, could you make a 335 as fast as a new m3 without going over the price of the new m3? if the answer is yes, then you may be right. but i seriously doubt 2 small turbos on a 3L i6 could put a dent into the power the new v8 is going to be making. especially on the highway. i believe it will take some serious money (and perhaps some new turbos) to make the 335 faster than an e92 M3.

[Mr.Marvelous]

I think its gonna be a big mistake for BMW to build the new M3 with an atmospehric engine, instead of a turbo one...

BMW engines are worlds best engines in generating high power without turbos. Even the ~270hp power of the 330i is a pretty good one for a non-turbo engine...

But when it comes to tuning, turbo engines have a way more advantage than atmospheric engines. At least, its cheaper to gain more power... Electronics tuning, raising the turbo pressure a bit etc. can create big difference in a turbo engine...

So in my opinion, we are going to see a lot of 335i s beating the hell out of new m3's and petrolheads buying 335i s instead of m3 s...

[Zshazz]

Yeah, but isn't forced induction not allowed in motor sports or something? And the M3 is suppose to be the embodiment of BMW's motor sport division?

I thought awhile back that was the reason someone said that BMW would never use forced induction on the M cars.

But anyway... Sure the 335i's tuning will be cheaper (slap on a new ECU and gain 100HP), but the M cars will have the option of sticking a supercharger or turbocharger on it. I'd imagine a 400HP M3 + twin turbos will get 600+HP fairly easily.

[Mr.Marvelous]

Yeah, but imagine the cost of fitting a good turbo to a M3...
it ll probably cost another m3

[xtnct]

In one of the other furums (http://forums.evolutionm.net/showthread.php?t=222804) you posted the following a few weeks ago. Now that you finished the 335i Xede, can you revisit your thoughts of using an EVO xede on the 335i, what would be involved in doing so, and if Vishnu would support it. Thanks.

Originally Posted by shiv@vishnu

Unfortunately, the mitsu XEDE is different from all the other XEDEs due to its frequency-based MAF sensor. The BMW xede is the same unit we use in Honda, Lotus and Miata applications. You *could* use the Mitusbishi unit and use one of the extra analog in/out pairs for MAF but you'd be short a pair when it comes to controlling the widebands. Its still too early to tell if all the ins/outs in the XEDE will be used. If not, the Evo unit will work in the Bimmer just fine. We'll know soon enuff
Shiv

[OpenFlash]

Originally Posted by xtnct

In one of the other furums (http://forums.evolutionm.net/showthread.php?t=222804) you posted the following a few weeks ago. Now that you finished the 335i Xede, can you revisit your thoughts of using an EVO xede on the 335i, what would be involved in doing so, and if Vishnu would support it. Thanks.

Right now, an Evo Xede will be 1 analog input short (it uses 2 inputs for its Freq based MAF). So, nope, it won't work as it should.

-shiv