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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 > JB3 2.0 weird lag issue

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      05-05-2010, 02:46 PM   #1
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JB3 2.0 weird lag issue

Hey everyone

it seems that now that i have 19s on my 335i that when i floor it the car goes lags a moment and goes full throttle


3rd gear > Floor the pedal > increases RPMS > bogs for a moment at say 2500 - 3000 > then blasts off

i have never seen this issue discussed but idk what it could be.

Staggered setup
19 x 8.5 front
19 x 9.5 rear
tires are spec'd for the xdrive version

but like i said only started when i installed the 19s, and i believe these new wheels are lighter, than OEM.
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      05-05-2010, 04:02 PM   #2
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car has to pull slighlty more weight hence you feel a diffrence.
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      05-05-2010, 04:20 PM   #3
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Using Lag fix maps?
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