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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Take 3: Vishnu 335i coupe Tuning Update



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      10-28-2006, 05:58 PM   #595
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Quote:
Originally Posted by sstarch1
Shiv, have you tuned a customers car yet?
None yet. Everybody seems to be waiting on delivery.

-shiv
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      10-28-2006, 06:04 PM   #596
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Quote:
Originally Posted by shiv@vishnu
None yet. Everybody seems to be waiting on delivery.

-shiv
Common down to Chicago!
My car is begging for you.
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      10-28-2006, 07:21 PM   #597
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Quote:
Originally Posted by sstarch1
Common down to Chicago!
My car is begging for you.
Buy him the airfare, it should be cheap to Chicago.
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      10-28-2006, 09:06 PM   #598
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Quote:
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.
the difference in base price is about 15K, so Shiv's $2500-$3000 mod will put you level, if not faster, than the new M3 because of the massive amount of torque the 335i has.
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      10-28-2006, 10:01 PM   #599
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Quote:
Originally Posted by E90Boy
Buy him the airfare, it should be cheap to Chicago.
Heh, you know if I had my car I would actually fly him up here. Of course, I'd probably have to have someone knock him out and put him on the plane. Toronto in the winter is miserable.
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      10-29-2006, 12:30 AM   #600
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Sell me an XEDE kit and Ill slap it on ASAP and post videos & track 1/4 mile times & all that other stuff!!! I dont care if its not tested on a bunch of other cars first, I know ull back ur product if theres any trouble.
If I lived in CA I would have it done already....

What city in CA are u in?
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      10-29-2006, 12:40 AM   #601
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Shiv, are there any pics of the switch for the ashtray? Also the exhaust if possible as was requested by someone else(Im sure it doesn't look a ton different but we're all on the edge of our seats! THANKS!!
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      10-29-2006, 01:09 AM   #602
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Quote:
Originally Posted by sstarch1
Common down to Chicago!
My car is begging for you.
Actually Shiv, do you have any dates planned for cities you're going to visit for Xede installs? The Phoenix/Scottsdale area might be a good trip for you!
*hint hint!!!*

By the way, Phoenix is the 5th largest city in the US now, that sure sounds like a lot of potential customers, huh! Heck, Jusbechillin above is here in AZ, too. I bet there are a lot of us here, you should make a trip out here....

*more hints!!!*

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      10-29-2006, 01:39 AM   #603
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Quote:
Originally Posted by 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.
i can see where you're coming from. i'm becoming more eager to see the details of the new m3. if you can match the speed of an m3 in a 335i simply using a turbo back exhaust and ECU upgrades (aka a couple of grand, also a reversible process), what the heck would be the point of the new m3?
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      10-29-2006, 01:14 AM   #604
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As people have said, and debated throughly, and ///M is and ///M no matter what kind of ECU/Exhaust you try to replicate it with.
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      10-29-2006, 03:50 AM   #605
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Quote:
Originally Posted by jusbechillin
Shiv, are there any pics of the switch for the ashtray? Also the exhaust if possible as was requested by someone else(Im sure it doesn't look a ton different but we're all on the edge of our seats! THANKS!!
We're going to have to mold something nice for the switch to fit snuggly in the ashtray. That will take some time to design and manufacture. We just formed a partership with a large manufacturing/distributing company which means that we will finally have access to cool things such as rotomolding and precision casting. This means that the ashtry switch and, most likely, the production exhaust will be on hold for a little while longer. That is why we are only going to offer Xede-only systems for the time being. I'm retty sure we can make 310-315whp and 320-330lb-ft of torque with the Xede alone on 91oct. We'll know as soon as you guys get your cars and drive on out to us

Cheers
Shiv
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      10-29-2006, 03:54 AM   #606
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Quote:
Originally Posted by TracerHawk
Actually Shiv, do you have any dates planned for cities you're going to visit for Xede installs? The Phoenix/Scottsdale area might be a good trip for you!
*hint hint!!!*

By the way, Phoenix is the 5th largest city in the US now, that sure sounds like a lot of potential customers, huh! Heck, Jusbechillin above is here in AZ, too. I bet there are a lot of us here, you should make a trip out here....

*more hints!!!*

As with all my dyno days for Subies and Evos, all you need to do is gather some cars and reserve a dyno for a day and I'll be glad to come out there. Usually its a ten car minimum but for the BMW, 5 will do. I'd really like to get some 93oct maps as well for those folks who don't live in CA, CO or AZ (hint hint)...

Cheers,
shiv
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      10-29-2006, 03:56 AM   #607
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Quote:
Originally Posted by 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.
still waiting for the video...
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      10-29-2006, 05:04 AM   #608
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what are the specs of shiv's car now? 380/390BHP and 500/550Nm or what? I don't/cannot follow this topic every day, sorry
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      10-29-2006, 06:58 AM   #609
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For southern Cal I'm in. 4 more anyone?
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      10-29-2006, 09:48 AM   #610
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Quote:
Originally Posted by shiv@vishnu
As with all my dyno days for Subies and Evos, all you need to do is gather some cars and reserve a dyno for a day and I'll be glad to come out there. Usually its a ten car minimum but for the BMW, 5 will do. I'd really like to get some 93oct maps as well for those folks who don't live in CA, CO or AZ (hint hint)...

Cheers,
shiv
We can get 93 octane in AZ.... I actually am running on a tank of 100 octane right now just for the heck of it... But we can get it!
I just went to google and typed in 93 octane gas arizona...and it pulled up a map with marks everywhere it was sold!
......ANYONE ELSE LIVE IN AZ WANT THE XEDE??
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      10-29-2006, 11:44 AM   #611
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Quote:
Originally Posted by jusbechillin
We can get 93 octane in AZ.... I actually am running on a tank of 100 octane right now just for the heck of it... But we can get it!
I just went to google and typed in 93 octane gas arizona...and it pulled up a map with marks everywhere it was sold!
......ANYONE ELSE LIVE IN AZ WANT THE XEDE??
I'm in!
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      10-29-2006, 12:09 PM   #612
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Hi Shiv,

Did you see my question about the SMOG report? I'm probably being paranoid but do you know why it designates the car as single exhaust? I even went so far as to look at the state of CA smog site and it definitely said that the car being tested needs to be entered as either single or dual exhaust but it didn't say if entering it wrong would change the results. If you don't know for sure can you call the testing site and make sure the results are still accurate even though the car was tested as single exhaust?

Thanks, Kevin
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      10-29-2006, 01:43 PM   #613
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Shiv,

How about that photo of the xede next to the ecu...

Thanks!
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      10-29-2006, 02:54 PM   #614
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Quote:
Originally Posted by shiv@vishnu
Yes I did. Expect 310whp and 310lb-ft of torque with the Xede on an otherwise stock car.

shiv
40whp and 40ft-lb torques more for $1300 is the price I can live with if I have a 335i. Now, $1700 more for the exhaust to get additional 22whp and 30ft-lb torques is pretty much up to individual owner. I don't need these extra whp and torques, so 310-315whp/320-330ft-lb torque will work for me because it's enough to smoke all new G35 and IS350 or any compatitive model from red light to red light . Good job Shiv.
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      10-29-2006, 02:59 PM   #615
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Quote:
Originally Posted by herbz
i can see where you're coming from. i'm becoming more eager to see the details of the new m3. if you can match the speed of an m3 in a 335i simply using a turbo back exhaust and ECU upgrades (aka a couple of grand, also a reversible process), what the heck would be the point of the new m3?
i'm pretty sure 335 will match or even be faster then m3 with $5k... the point of m3 will be:
-warranty
-better handling
-exterior bodykits
-quad exhausts
-people who have no idea about modding
-v8 power

hey shiv, will you be increasing boost on turbos in the future? how much psi do you think this 3.0 can safely hold ?
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      10-29-2006, 03:36 PM   #616
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I think a good direction to go foreward with, instead of more power, would be brakes. This car goes plenty fast already.
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