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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > CDV Delete Issue
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      07-07-2021, 10:40 AM   #1
Jkea24
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CDV Delete Issue

Hey all. I recently swapped out my clutch slave cylinder with the E series slave to eliminate the restrictions, and while shifts are now miles better in low RPM, I'm having a lot of road vibration through the clutch pedal, specifically when the clutch pedal is depressed at higher speeds, similar to how the shifter feels when I'm gear driving but not quite as intense. Low speed, low rpm, everything feels perfect. That's the only symptom I'm experiencing and while there are no issues with clutch pedal movement, shift changes or engagement, the feel when depressed feels very uncomfortable. Ive been driving manual for almost 15 years and don't recall a clutch pedal giving this sort of feel/feedback and I'm not certain where it's coming from or if it's just normal after the swap. For reference, I don't drive with my foot resting on the pedal, or hand resting on the shifter, I'm just trying to explain the feel. In addition, I had the clutch, flywheel and all other related components replaced by BMW around a year ago when I purchased the car and everything was broken-in according to instruction. 2014 435i xDrive - 45,000 miles
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      01-04-2024, 12:12 PM   #2
Yoho1012
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Hi, I have the same problem with my N55 M135i. I installed a new clutch and flywheel, decided I'd fit the E90 slave cylinder from a popular guide. Ever since fitting around 5 months ago I've gritted my teeth on high rpm shifts as it seems to give alot of unwanted feedback through the clutch pedal... I thought it might have been a faulty clutch assembly but now I'm thinking it's from coming from the slave cylinder. Did you ever resolve this issue ?

Yoho
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