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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 > Data Logging... what to look for?



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      05-01-2018, 03:41 PM   #1
DM_e92
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Data Logging... what to look for?

Where can I find information about how to read data logs? I understand most of it. But I want to know what should the data look like for a a healthy N54. I am mostly concerned with Waste gate duty, fuel trims and AFR. What should a healthy N54 show?
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      05-01-2018, 03:46 PM   #2
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https://www.docdroid.net/IyQ24N5/int...ogs.pdf#page=5
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      05-02-2018, 05:49 PM   #3
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You want to keep a close eye on ignition timing and see if you are getting any timing drops.

Here is a thread from BMS explaining more

http://www.n54tech.com/forums/showthread.php?t=21269
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      05-03-2018, 01:48 PM   #4
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Thanks Meatos & Thanks Mike really appreciate this info!!!
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