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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 > wastegate possition at 30%...and lag



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      10-16-2012, 07:24 AM   #1
chiefsotos
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wastegate possition at 30%...and lag

This week i tried to lower the wastegate possition from procede from 90% down to 30%. Although the sound is awesome and the rattle has completly gone i noticed some turbo lag(when i cruising with 2nd gear at 3000rpm and floor it down the boost achieved 15psi after 1-2sec).
Is this normal??
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      10-16-2012, 08:13 AM   #2
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how did you lower the wastegate position?
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      10-16-2012, 08:14 AM   #3
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Instead of goin from 90 to 30 try 60
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      10-16-2012, 08:15 AM   #4
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yes its normal since the WGs are open and takes time to close them.
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