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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 > FBO + Procede + Cobb



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      01-22-2013, 05:52 AM   #1
Fritzl
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FBO + Procede + Cobb

I have installed a stage 1 Drive 402 ST Cobb map and have been running Map 1 of the Procede 10-9 Stg 3 Aggressive over the top. I really like the boost response of the procede but want the fueling of the cobb.

I was initially running the Stage 1+FMIC Sport ST map and with Procede on autotune enabled but ended up with a Throttle position fault and limp mode (even though I had reset all adaptations after installing both the Cobb and Procede changes).

I made a log, but I have only a basic grasp of what to look for; it seems ok to me but could I get some feedback?

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      01-22-2013, 07:26 AM   #2
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It is not advised to just plug in Cobb and then stack the procede without some major mapping revisions.

You have to decide what the cobb will control and what the procede will control. A good example of the tunes working against each other is your timing. Stage 1+ already has some conservative timing built into the tune and your procede is pulling additional degrees because OTS it is set up to offset stock timing curves.

What ATR experts should do is post a simple Cobb map, that only ups rail pressure for the people who want to run the procede and want additional fueling of the flash. Although it's a bit of a waste to buy a cobb to modify one table only.
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      01-22-2013, 11:48 AM   #3
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Calling Joshboody
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      01-22-2013, 11:55 AM   #4
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lol you stack without even researching? wow..
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      01-22-2013, 12:22 PM   #5
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Wow look at that cps offset. You are running -3 degrees down low to about 7 degrees at redline.

Id remove the cps wires first.
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      01-22-2013, 12:24 PM   #6
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Actual Ingition Advance log would help too. What's with all the ignition correction?
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      01-22-2013, 12:28 PM   #7
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Calling Joshboody
Joshboody ....oh wait that doesnt work here.
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      01-22-2013, 01:01 PM   #8
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Hi...
Its ok to use an OTS map, but you do have to make some changes with Procede.
-Set the AFR table to value 50 across the board.
-zero ignition correction map1 and 2
-After changing AFR table check trims and may have to reduce global OL since you’ll need less fuel.
These are the min changes I would make initially. the small nuances in finetuning get more complicated when you start using ATR.

Oh, and way to go with the procede stack... we are rare.
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