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Old 12-07-2006, 07:35 PM   #3
Scooby Specialist
Member#: 88322
Join Date: Jun 2005
Chapter/Region: MWSOC
Location: Indianapolis, IN
2009 BMW 135i


As far as I can tell, this is the "ping fix"

Basically they just cut out 1 degree of timing from the higher load areas in the base ignition map. If you have a 2004 STI, you can just load the last 2004 STI ECU calibration (AJ243, A2ZS710J) with Openecu tools.
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Freon is offline   Reply With Quote