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      03-24-2020, 01:06 AM   #1
Mtesch135i
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Drives: 2012 BMW 135i ; 2017 Audi A3
Join Date: Mar 2020
Location: Wisconsin

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Timing Corrections - Logs Inside

Hi Guys,

My 2012 N55 has been having unsettling timing corrections over the course of the last year, and it's making me nervous to get on the throttle! Sometimes I've seen up to -7 deg on a cylinder!

Recently: Fresh gas, new spark plugs, new coils, fluids... didn't fix anything. Uninstalled MHD to check if it's the tune, but that's also not the problem.

Here are some logs of a pull w/ Fresh 93 oct and the STOCK tune. Car has a 6.5" intercooler, chargepipe, and catless DP. You can see timing corrections of -6 on just cylinder 3 in the 1st log, but multiple -3 in the 2nd. Having the car tuned with MHD makes them worse.

Does anything stand out to you guys from these logs? Ideas?

https://datazap.me/u/turbotesch/stoc...19-20-21-22-23

https://datazap.me/u/turbotesch/stoc...11-18-19-20-21
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