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      11-02-2012, 03:26 PM   #6453
VNeBLOB42
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007 335i E92  [3.83]
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Quote:
Originally Posted by MikeS300 View Post
I'm a new Cobb user. 2010 335i xdrive AT. DCI, just changed sparked plugs last night for first time (26,600 miles), Stage 1 Aggressive ST v. 4.01, Shell 93 gas.

I did 4 pulls in 3rd gear last night. Datalog 8 goes to redline. The others are WOT up to about 5k RPM. Changing the plugs seem to have eliminated most of my timing corrections across multiple cylinders that I was having. I'm most concerned about my AFR. Am I running too lean on turbo spool up at the beginning of WOT or is this normal for my car and modifications? Does the car look happy or is there anything glaring that I should be concerned about? Thanks!
try doing more logs, but this time, carry through to 6400 RPMs and shift through 4th a bit. Log 8 you are hitting max timing for S1 Agg. so that looks good.

Timing corrections are ok with 3 or less cyl. under 3.38. I didn't look at all your logs.

You are getting throttle closures, did you have DTC and DSC on? Make sure that is complete off.

I think your ARFs are ok, there are very similar to my S1 Agg. logs.

please read this before logging again it will help you understand how to log and how to read logs.

http://www.e90post.com/forums/showthread.php?t=696472
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