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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Raced a modded 2012 S4



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      06-08-2012, 10:07 AM   #1
Juiced46
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Raced a modded 2012 S4

Watch out for these cars, it took me by surprise. When the car came up next to me I thought it was just a stock S4, I was wrong. We went at it from around 60-125ish. Both runs we were dead even. His car had a DCT transmission in it as well, so really no driver error on him.

Pulled over and talked to the owner for a few. It had an aftermarket supercharger pulley (more boost) APR tune and some sort of CAI, no exhaust mods. Claimed it makes around 390 AWHP. I was just looking around to do some research and it seems like most of those cars with his mods are around the 380-400awhp range. So not bad for me since I know I am making less then that. Probably around 330awhp. The S4 is much heavier however, so thats where the difference comes in.

Not a bad outcome, now if I was in my Cobra.......
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      06-08-2012, 10:09 AM   #2
hemi to e90
dat boost doe
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wait you beat a stage 2 apr car with a pulley in ct?

whats his name? cause id love to see what audizine would say about this lol.
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      06-08-2012, 10:14 AM   #3
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Quote:
Originally Posted by hemi to e90 View Post
wait you beat a stage 2 apr car with a pulley in ct?

whats his name? cause id love to see what audizine would say about this lol.
Yes, it was in CT. But I didnt say I beat him, I said we were dead even both times. lol


I am assuming the Audi guys think they can crush modded 335s? lol

I am not going to put the kid on the spot. It was a stock looking Black S4, hes from my area.
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      06-08-2012, 10:26 AM   #4
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dat boost doe
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Quote:
Originally Posted by Juiced46 View Post
Yes, it was in CT. But I didnt say I beat him, I said we were dead even both times. lol


I am assuming the Audi guys think they can crush modded 335s? lol

I am not going to put the kid on the spot. It was a stock looking Black S4, hes from my area.
either way, the b8 s4 is the fastest car in the world according to the b8s4 section of audizine.

11.8s 60-130, if you believe that, with just a tune.
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      06-08-2012, 10:47 AM   #5
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That's cool! Those cars are pretty darn quick!
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      06-08-2012, 11:10 AM   #6
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Haha, a tuned S4 will walk a 335 any day of the week, and twice on Sundays...cmon BRAH!!
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      06-08-2012, 11:21 AM   #7
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Quote:
Originally Posted by Juiced46 View Post
Watch out for these cars, it took me by surprise. When the car came up next to me I thought it was just a stock S4, I was wrong. We went at it from around 60-125ish. Both runs we were dead even. His car had a DCT transmission in it as well, so really no driver error on him.

Pulled over and talked to the owner for a few. It had an aftermarket supercharger pulley (more boost) APR tune and some sort of CAI, no exhaust mods. Claimed it makes around 390 AWHP. I was just looking around to do some research and it seems like most of those cars with his mods are around the 380-400awhp range. So not bad for me since I know I am making less then that. Probably around 330awhp. The S4 is much heavier however, so thats where the difference comes in.

Not a bad outcome, now if I was in my Cobra.......
The B8 S4 is a very fast car once modified. We have been developing our in-house S4 recently, and it is amazing how they make gains. On a Mustang, we typically measure 350whp on a Stage 1, with 390whp on 100 octane or water-methanol. It is also interesting how these supercharger systems work, as we are able to turn up the boost through the ECU, using the stock pulley. This video doesn't provide too much insight, but we recently did some testing with Motor Trend and our Stage 1 B8 S4. I can't ruin the story by posting the results, but they look good


Last edited by Thomas@GIAC; 06-08-2012 at 12:36 PM.
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      06-08-2012, 11:35 AM   #8
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I don't mind those S4s trying to beat me, but even A4s are getting quite aggressive. I really need to start modifying my ride.
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      06-08-2012, 12:33 PM   #9
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I'm not sure of the exact weight but it makes sense that it would be at least a couple hundred pounds more than a 335i. Which is only a slight advantage ~20hp maybe?
The beauty to me is to see the peak power rpm of 7200rpm, meaning it has a longer power band (like the M3) than the 335i ~5500rpm peak.

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      06-08-2012, 12:56 PM   #10
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Wow. So our engine does very well then
I almost closed the deal with the S4 few months ago then went with the 135i instead. I had B5 S4 before and love the AW.
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      06-08-2012, 01:07 PM   #11
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Nice work Dave....way to hold him off....and you looked better doing it too!!
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      06-09-2012, 08:48 PM   #12
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Nice run Dave!
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      06-09-2012, 08:53 PM   #13
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Quote:
Originally Posted by Everfly View Post
Wow. So our engine does very well then
I almost closed the deal with the S4 few months ago then went with the 135i instead. I had B5 S4 before and love the AW.
Good call.

I've driven both (own the 135) and def prefer the drivig characteristics of the 1 over the s4. Big, heavy, not fun to drive and light steering.

Good car, but not an enthusiasts car if you are used to well handling rwd platforms. It can't hide the fact it weighs 4k lbs

Nice run btw, op
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      06-11-2012, 03:03 PM   #14
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Yeah I keep looking at S4s but I've never driven one and I'm not really sold on the styling inside or out. The weight is also a concern as I heard it's about 200lbs more than a 335xi (about 4000 lbs).

But DCT, AWD and limited-slip factory options = awesome. I wish I could get that in an F30 when my 2011 XI's lease is up. N55 needs a real turbo though (FTL). I don't think I'd take down a fully done S4 in a full 1/4mi or highway roll as-is.
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      06-12-2012, 09:39 AM   #15
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Quote:
Originally Posted by Thomas@GIAC View Post
The B8 S4 is a very fast car once modified. We have been developing our in-house S4 recently, and it is amazing how they make gains. On a Mustang, we typically measure 350whp on a Stage 1, with 390whp on 100 octane or water-methanol. It is also interesting how these supercharger systems work, as we are able to turn up the boost through the ECU, using the stock pulley. This video doesn't provide too much insight, but we recently did some testing with Motor Trend and our Stage 1 B8 S4. I can't ruin the story by posting the results, but they look good

The times the modded B8 S4's are putting down on the 1/4 are very impressive (even when stock). However, Audi's S-Tronic cars with LC and 4WD are all ballistic off the line and produce bonkers times from a standing start. For example, I know a chap with a TTRS S-Tronic that runs 11.3 1/4 at the track with just the cat smashed out of the stock exhaust and Stage 2 software What does help is the 3.1 0-60mph times he produces because of the awesome launch.
When rolling the advantage is a lot less and no different to a DCT equipped BMW.

Stock B8 S4's normally run around 106mph trap speeds and between 110-114mph when fettled. So no quicker when rolling to a modded x35i..
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      06-14-2012, 09:25 PM   #16
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Good runs
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