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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 > Stage 2 Sneak Peak



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      09-14-2011, 12:17 AM   #155
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Quote:
Originally Posted by riceygts View Post
Your car will pull timing for not having the correct breathing characteristics for a given map.
+1 you could technically run it if you really wanted to but your results probably would be better running a map set up for a car with your mods anyways.
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      09-14-2011, 12:40 AM   #156
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Quote:
Originally Posted by Jace_91 View Post
Couldn't you technically put a stage 2 map on even without any additional mods? Its software so it won't be able to tell if you have DCI or FMIC or DPs will it?
Sure but why? You wouldnt be any faster and would be riding the knock sensor. EGT's would be threw the roof too. Not to mention various other negative aspects.
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      09-14-2011, 12:43 AM   #157
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Lol

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Originally Posted by Clap135 View Post
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Originally Posted by 99three View Post
Looks really good, even with my GIAC flash. I'm all for healthy competition and pushing the performance envelope further and further. Can you post some trap speeds plz.
I am unsure when I will be able to visit the track. Like I said my wedding is in less the two months and alot still needs to be done.
Maybe we'll rent the track out and have strippers give blow jobs to the winner of each pass lol, now thats a bachlor party
Bachelor party it is!
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      09-14-2011, 01:02 AM   #158
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That's gotta be quote of the year. On my sig.
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      09-14-2011, 06:39 AM   #159
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Originally Posted by themyst View Post
Do you have an automatic or manual?
manual
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      09-14-2011, 06:40 AM   #160
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One thing i dont understand is why they are pushing tons of boost on low/medium rpm with 2 degrees advance (which creates high EGT temps) while the same results with lower EGT temps and faster response could be achieved with 8 degrees advance and 15 psi of boost. MPG would also gain on this.
also can you confirm the logged boost is = the guage boost that you can read on a mechanical guage (like p3) ?

Could they be scaling the boost reading from TMAP sensor after 5000 rpm so that the ECU "thinks" is lower? it just seems the car goes too well especially after 6000 rpm with that low boost and timings.
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Last edited by enrita; 09-14-2011 at 06:50 AM..
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      09-14-2011, 06:46 AM   #161
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Quote:
Originally Posted by turkish335 View Post
No logs but stage 2+ aggressive is fast as hell. There is a ton of power in the midrange - felt a bit of timing pull because I had a half tank of 91 and the other half 94 but car was an absolute beast on the highway. Low rmp drivability is similar to the 300v maps which are pretty good - there is lots of boost down low for what its worth. I think stage 2 has lots of potential - hope to post some logs soon, need another set of hands.....
Do you find the throttle has been remapped somewhat, maybe a bit more linear? It feels a bit different from the stg2 alpha map (I've never tried v2.00 / v3.00), but definitely gobs more power at the high range - 100 to 160 takes no time at all - but at low rpms feels like the boost is a bit lower than before, so prob have to build boost before going anywhere? Dunno, could be in my head, may have to change my pedal habits a bit, and log a bit.
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      09-14-2011, 06:50 AM   #162
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They are not limited to boost and timing only.
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      09-14-2011, 06:56 AM   #163
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cant wait for stg 2 so i can do some testing of my own since i live 30mins from the track =D
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      09-14-2011, 06:58 AM   #164
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Quote:
Originally Posted by enrita View Post
One thing i dont understand is why they are pushing tons of boost on low/medium rpm with 2 degrees advance (which creates high EGT temps) while the same results with lower EGT temps and faster response could be achieved with 8 degrees advance and 15 psi of boost. MPG would also gain on this.
also can you confirm the logged boost is = the guage boost that you can read on a mechanical guage (like p3) ?

Could they be scaling the boost reading from TMAP sensor after 5000 rpm so that the ECU "thinks" is lower? it just seems the car goes too well especially after 6000 rpm with that low boost and timings.
Quote:
Originally Posted by Rob@Cobb View Post
The pressure being reported by the stock MAP sensor is reported lower than actual above 5k like Jeff mentioned. We have mapped out the 2.5 bar sensor and it is linear meaning the ECU is skewing the data. We will be fixing the accuracy reported by the ECU in the near future.

The car is running more than 10 psi at 5.5k

Cheers,
Rob
As for after 5000 rpms.
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      09-14-2011, 07:09 AM   #165
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Quote:
Originally Posted by slowSwede View Post
As for after 5000 rpms.
Awesome thanks ! missed that!
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      09-14-2011, 08:19 AM   #166
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COBB,

Are there any 91 octane maps for S2 and S2 + FMIC?
As it says "aggressive" is 93 octane recommended. What can you run with 91 octane?
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      09-14-2011, 08:26 AM   #167
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Quote:
Originally Posted by Bash View Post
COBB,

Are there any 91 octane maps for S2 and S2 + FMIC?
As it says "aggressive" is 93 octane recommended. What can you run with 91 octane?
yes there are always 91 oct maps available
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      09-14-2011, 08:26 AM   #168
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Quote:
Originally Posted by Bash View Post
COBB,

Are there any 91 octane maps for S2 and S2 + FMIC?
As it says "aggressive" is 93 octane recommended. What can you run with 91 octane?
S2 is ONLY FBO!
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      09-14-2011, 08:35 AM   #169
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Red face

I'm going to say a couple of things about this thread..If stage 2 is serious is a heart attack ,and shiv and Terry don't release some maps better (not equal ) stick a fork in them..The piggy business will be terminated ..Only sales will be to the cheapos.
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      09-14-2011, 08:39 AM   #170
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Quote:
Originally Posted by enrita View Post
S2 is ONLY FBO!
Not true.
Our Stg2 maps are for cars equipped with at least a turbo back exhaust.
Our Stg 2 +FMIC are aimed towards cars equipped with TBE, FMIC and FBO to achieve full performance
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      09-14-2011, 08:54 AM   #171
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Quote:
Originally Posted by Rob@Cobb View Post
What am I missing with the 180 load thing?

We taper boost past 5k due to the baby turbo guys. Pushing it hard up there is like spitting water though a straw. The exahust manifold pressure peaks at 45-55psi past 5.5k RPM when trying to run 18psi out there. The data says the turbos are out of air and will self descruct if you keep pushing it. Not something we want for a pump stage 2 or stage 2 + FMIC map. Stock turbos will run 18psi all day long in the lower RPM range.

Here is a run down of the maps Clap has:
Stage 2 - Requires downpipes with a recomendation for a intake and catback (especially the 135i and 535i)
Stage 2+FMIC - Requires downpipes and a FMIC with a heavy recomendation for a intake and catback (especially the 135i and 535i)

Each of these will come in the following flavors:
"Drive" as in a nice daily driver map for those that just want a little bump in power with stock rev limits.
"Sport" as in a sporty map with a bit more power than "Drive".
"Aggressive" as in a map that turns the car into a fire breathing hotrod (Recommended 93 Octane).

Cheers,
Rob
Enrita, go back a couple of pages and read :-) depends on your definition of FBO.
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      09-14-2011, 09:14 AM   #172
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Quote:
Originally Posted by Clap135 View Post
Not true.
Our Stg2 maps are for cars equipped with at least a turbo back exhaust.
Our Stg 2 +FMIC are aimed towards cars equipped with TBE, FMIC and FBO to achieve full performance
cool thanks for pointing this out
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      09-14-2011, 09:30 AM   #173
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Quote:
Originally Posted by thebigragu99 View Post
I'm going to say a couple of things about this thread..If stage 2 is serious is a heart attack ,and shiv and Terry don't release some maps better (not equal ) stick a fork in them..The piggy business will be terminated ..Only sales will be to the cheapos.
...it happens in every platform... it was only time...
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      09-14-2011, 09:59 AM   #174
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I think the high boost low timing approach is partially for marketing purposes. People want to see how they increase power and boost is more popularly understood. It is safer globally I guess too, but definitely not optimal.
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      09-14-2011, 10:04 AM   #175
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Quote:
Originally Posted by Joshboody View Post
I think the high boost low timing approach is partially for marketing purposes. People want to see how they increase power and boost is more popularly understood. It is safer globally I guess too, but definitely not optimal.
You do understand the Procede runs "low" timing too on pump gas, right? The stage 2 timing curve isn't what I would call a slouch compared to a typical Procede tuned car running 3-4 degrees of offset.
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      09-14-2011, 11:35 AM   #176
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Quote:
Originally Posted by Joshboody View Post
I think the high boost low timing approach is partially for marketing purposes. People want to see how they increase power and boost is more popularly understood. It is safer globally I guess too, but definitely not optimal.
I know what you mean by marketing but in this case I'm pretty confident its not the case...i guess dynos will tell...and Ben's right, procede retards timing (CPS=100%) by 3-4 degrees on pump gas as well...but let's stay on topic of stage 2 otherwise this will get out of control again
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