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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 > dont buy from shiv!



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      12-08-2012, 12:35 AM   #1
MAC335i
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dont buy from shiv!

do not buy from shiv

Last edited by MAC335i; 10-21-2014 at 12:20 AM.
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      12-08-2012, 08:15 AM   #2
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Why don't you just load stage 3, it probably targets more aggressive timing curve. Everything else in your log looks fine from what I can see its hard to tell when you don't move the spider over a certain part of the graph.
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      12-08-2012, 08:31 AM   #3
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You have crappy gas and no they dont look fine.
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      12-08-2012, 10:42 AM   #4
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It looks like you got timing drops. I couldn't fix it with JB4, COBB, or procede. I had the same issue until I switched to 50/50 E85/91.
That resolved all my timing drop. Everything looked perfect.

If you are having these issues in stage 1, I doubt stage 2 or 3 will help..
Maybe try a different gas station, e85 or even race gas to eliminate gas variable.
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      12-08-2012, 11:04 AM   #5
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Yeah there are some major timing drops on the log..Try some better gas or go meth as that will help if you cant find any good gas around where you are...If your worried about it then you already answered your question...NEED METH
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      12-08-2012, 01:02 PM   #6
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Oh ya, I missed the timing drops, I thought this was a multi-gear pull and that was at a shift point. My bad.
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      12-09-2012, 05:36 PM   #7
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i say lower boost first and see how it looks. DME does not pull timings when running meth and having even bigger difference in trims so.....
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      12-09-2012, 06:41 PM   #8
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Can you take a screen shot of your User Adjustable Parameter? You probably know this, but the Procede must be connected to car when you do this to show everything correctly.
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      12-09-2012, 08:43 PM   #9
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Yeah your ignition advance is critically bad. Looks like a couple bad knock events with those 2 deg drops at once.

I'd say dump the boost control DC and put the IAT log channel in to see what your intake temps are... I bet they get way out of control especially if you tried to make a few runs before this log.

Your gas is def terrible for this kind of boost. You need to lower that boost ASAP without meth or better gas.
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      12-09-2012, 10:05 PM   #10
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Something very weird going on with your AF ratios.

They are identical in the first log and then diverge from each other in the second log.

Funny thing is your trims are not maxed out to account for that
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