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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 > what's the problem?



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      11-09-2013, 02:19 PM   #1
135iDCT
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what's the problem?

when i driving at low speeds in sport mode (6AT) my foot about 20% on gas pedal and shift from 3rd to 4th (also from 4th to 5th) the rpm at 2300, the car stops a moment then engage the 4th

this thing happens at low speeds only and low rpm, what's the problem?

full throttle no problem, higher rpm 3000 to the limit no problem
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      11-09-2013, 03:16 PM   #2
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Quote:
Originally Posted by 135iDCT View Post
when i driving at low speeds in sport mode (6AT) my foot about 20% on gas pedal and shift from 3rd to 4th (also from 4th to 5th) the rpm at 2300, the car stops a moment then engage the 4th

this thing happens at low speeds only and low rpm, what's the problem?

full throttle no problem, higher rpm 3000 to the limit no problem
Both of my n54 cars drive this way, it seems like the clutch engages extremely fast and causes a rough feeling shift at partial throttle. The aplina flash helps out alot. Also resetting the adaptations in inpa or driving the car in manual mode more frequently will solve your issue. It wouldn't be a bad idea to change your trans fluid if you're over 50k. Hope this helps.
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      11-09-2013, 05:00 PM   #3
Sean335i
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alpina flash will cure what ails ya!
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