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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 > procede ignition advance question



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      12-12-2011, 11:46 PM   #1
335okc
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procede ignition advance question

for meth users, we set ignition advance of map2 to 0, does that mean all the ign advance matrix for map2 doesn't matter anymore? since it'll be 0 ?
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      12-13-2011, 02:33 PM   #2
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If you set Start Ign Corr to 0% on Map 2 then with full meth flow, Ignition Advance (Map 2) table will be used.

With Start Ign Corr set to 100%, Ignition Advance (Map 1) table will be used.
Anything in between will interpolate the difference between the tables.
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