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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 > Can I run the Stage 3 maps now??



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      11-09-2009, 10:24 PM   #1
Malaka1
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Can I run the Stage 3 maps now??

My current mods:

Procede CANbus
Vishnu DCI
AA Intercooler
AR Design Catless dp's
Stock mid-pipes
UUC RSC335 Axle-Back exhaust


Can I run the Stage 3 maps now since I have everything required besides being "fully" catless, with the stock mid-pipes still in place?
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      11-09-2009, 10:34 PM   #2
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stage 3 is for fully catless cars
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      11-09-2009, 10:40 PM   #3
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Only one real way to find out. Datalog both stage 2 and stage 3.

Quote:
Originally Posted by shiv@vishnu View Post
Stg 1-- stock and mild bolt-on (intake, cat-back, dps, etc,.)
Stg 2-- intake and no cats
Stg 3-- intake, no cats and FMIC

There is some flexibility with those requirements of course. Just don't use a map that is too aggressive for your mods.

Shiv
By definition of the above you would be a stage 1 car. I think that's why there is "flexibility".
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      11-09-2009, 10:41 PM   #4
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Quote:
Originally Posted by jpsimon View Post
stage 3 is for fully catless cars
True, but all I have are those little dinky pre-cats still in there... I mean does adding midpipes really make a big difference?
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      11-09-2009, 10:52 PM   #5
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Quote:
Originally Posted by Malaka1 View Post
True, but all I have are those little dinky pre-cats still in there... I mean does adding midpipes really make a big difference?
Depends on the flow rate of those stock cats. I run stage 3 with hi flow cats in the DP's and no secondary cats.

From something I saw before the DP stock cats flow at 300 cfm, magnaflow hi flow cats at 600 cfm and open pipe 1000cfm.
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      11-10-2009, 12:26 AM   #6
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I tried stg 3 with HFC but I couldnt run higher UT because even at 100% ic, you can see the ecu pull back timing. I would recommend just sticking to stg2 until you get meth or something .
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      11-10-2009, 12:36 AM   #7
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Quote:
Originally Posted by zsapphire7 View Post
I tried stg 3 with HFC but I couldnt run higher UT because even at 100% ic, you can see the ecu pull back timing. I would recommend just sticking to stg2 until you get meth or something .
hfc in the dp's or midpipes?

what stage would you say for catless dp's w/ all other boltons with ae's hfc exhaust???
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      11-10-2009, 01:08 AM   #8
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Quote:
Originally Posted by zsapphire7 View Post
I tried stg 3 with HFC but I couldnt run higher UT because even at 100% ic, you can see the ecu pull back timing. I would recommend just sticking to stg2 until you get meth or something .
+1; same thing for me.
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      11-10-2009, 02:58 AM   #9
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i cant see the midpipes being as restrictive in flow as the big cats in the DP's. i would imagine that by catless for the tuners, they mean dp catless or at minimun high flow cats with bigger piping. then again i think the exhaust shiv has on his car is from down pipe back and eliminates the 2nd set of cats anyway.
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      11-10-2009, 03:22 AM   #10
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Im running AR catless DP + AE HFC catback

Quote:
Originally Posted by sashmanparker View Post
hfc in the dp's or midpipes?

what stage would you say for catless dp's w/ all other boltons with ae's hfc exhaust???
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      11-10-2009, 03:33 AM   #11
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So what would you guys say to running stage 2 with;
AR Catted DPs, Upgraded FMIC stock everything else and default user settings
on 93 Octane?
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      11-10-2009, 03:42 AM   #12
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i would upgrade the intake. you will suffer with the stock box. other wise that pretty much is the stage 3 map criteria. minus a catback system. but if you got the rest of the stuff, definately go stage 2 and try stage 3. do some data logs on both and see how they come out.
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      11-10-2009, 06:47 AM   #13
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Same boat here...really not sure which Stage I should be running. I was happy with Stage II, but noticed some inconsistency compare to Stage I..(but better woomph when power delivery is 100%)

Should I stick to Stage II or back to Stage I and up the UT setting? what'd would be the ideal UT setting @ Stage I for following mods?

AA Intercooler
Vishnu DCI
Vanguard Exhaust
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      11-10-2009, 03:38 PM   #14
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I have catless DP, Injen intake, and I run stage 2 at 90% on 93 oct without any issues and no timing being pulled. As soon as I get my VK intercooler I will try stage 2 at 100% and stage 3 to see what happens.
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      11-10-2009, 03:40 PM   #15
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100% ut??
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      11-10-2009, 07:15 PM   #16
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I did a few 3rd gear pulls and datalogged them and everything looks fine...

Stage 3
UT 80%
IC 80%
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      11-10-2009, 07:17 PM   #17
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Quote:
Originally Posted by Chefcg1 View Post
I have catless DP, Injen intake, and I run stage 2 at 90% on 93 oct without any issues and no timing being pulled. As soon as I get my VK intercooler I will try stage 2 at 100% and stage 3 to see what happens.
I don't suggest you ever go 100% at any stage unless you are running race gas and meth at the same time with all the bolt ons possible...
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      11-10-2009, 07:23 PM   #18
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Quote:
Originally Posted by cn555ic View Post
I don't suggest you ever go 100% at any stage unless you are running race gas and meth at the same time with all the bolt ons possible...
I think he is talking about 100% IC..
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