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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 > OFT stage 1 map LOG



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      10-02-2013, 12:55 PM   #1
kolo123
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OFT stage 1 map LOG

100k on car , new turbos , 7'fmic, catless downpipes, dci, charge pipe 93 oct.

http://datazap.me/u/kolo123/log7?1-3-4-5

please take a look thx
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      10-02-2013, 01:02 PM   #2
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There’s a timing retard, but after that the curve builds nicely. You’re overshooting boost for a bit, likely due to the new turbos. AFR looks fine, the requested boost curve looks healthy, IATs are OK. Without seeing cylinder corrections, I can only speculate as to the cause of that timing pull.
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      10-02-2013, 01:23 PM   #3
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Timing is being pulled because of the overboost, which you are getting quite a bit of. In my experience, OTS tunes wont behave well when you get new OEM turbos.
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      10-02-2013, 03:24 PM   #4
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so what can i do to fix this?
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      10-02-2013, 03:54 PM   #5
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since you are overboosting over a big range, I would scale the WGDC(base) table in tunerpro by 0.9 and then log

then you see how much it helped and if you still need further reduction, you do it again and re log.

usually, you need to monitor boost setpoint factor and maf(wGDC) to be logged to know exactly where in the table to edit.
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      10-02-2013, 03:54 PM   #6
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Originally Posted by kolo123 View Post
so what can i do to fix this?
& Break in those turbo's
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