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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > Clutch Compatability
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      08-11-2019, 06:34 PM   #23
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I got my car back from the shop yesterday. The 335ix/550i clutch does fit and the engagement is so much better than the stock 435i clutch. It bites hard, harder than my ex-gf, jk. The new clutch is about 25% stiffer and the clutch pedal releases back more quickly. To me, it feels sportier. I can now quickly release the clutch in 1st gear without worrying out it stalling. I'm still breaking in the clutch, I need 500 miles of city driving. Once I reach those miles, I'll be testing how it performs with some pulls from a dig and the highway.
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      08-12-2019, 08:18 AM   #24
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Glad it worked out for you. Sounds like a nice upgrade.

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Originally Posted by bluef32 View Post
I got my car back from the shop yesterday. The 335ix/550i clutch does fit and the engagement is so much better than the stock 435i clutch. It bites hard, harder than my ex-gf, jk. The new clutch is about 25% stiffer and the clutch pedal releases back more quickly. To me, it feels sportier. I can now quickly release the clutch in 1st gear without worrying out it stalling. I'm still breaking in the clutch, I need 500 miles of city driving. Once I reach those miles, I'll be testing how it performs with some pulls from a dig and the highway.
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      08-29-2019, 01:30 PM   #25
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I decided on the Spec stage 2+ (SB553H) and a new OEM dual mass flywheel. Ordered the parts and awaiting arrival, hopefully will have the work done in the next 2-3 weeks. Going to order a new slave cylinder and remove the CDV and get them to install it at the same time.

Looking forward to this!
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      09-13-2019, 12:25 AM   #26
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Originally Posted by codestar View Post
I decided on the Spec stage 2+ (SB553H) and a new OEM dual mass flywheel. Ordered the parts and awaiting arrival, hopefully will have the work done in the next 2-3 weeks. Going to order a new slave cylinder and remove the CDV and get them to install it at the same time.

Looking forward to this!
All done. Pretty stoked!
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      09-13-2019, 09:16 AM   #27
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Did you do the CDV delete?
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      09-13-2019, 10:53 AM   #28
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Originally Posted by JaredG_F30 View Post
Did you do the CDV delete?
Yup, swapped over a new one that I yanked the cdv out of beforehand.

Since the clutch upgrade was such a big change and my old one was also slipping I haven't really been able to tell the difference of just the cdv yet. Haven't been shifting hard yet either

I can say the feel is 100% different. My car nearly yanks me into motion, makes it feel like I'm trying to ride a bull haha, can definitely feel the power of the car way more whereas it was masked by the OEM setup before
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      10-19-2019, 10:28 AM   #29
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335is/550i clutch review: I have driven on the new clutch for around 1.5k miles. I can chirp the tires all the way to 3rd gear. On highway pulls, I can definitely feel the difference in forward motion compared to when it was slipping. I won't be going past FBOs so this clutch is just right.

Last edited by bluef32; 10-21-2019 at 03:55 PM..
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      10-19-2019, 10:53 AM   #30
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Quote:
Originally Posted by codestar View Post
Yup, swapped over a new one that I yanked the cdv out of beforehand.

Since the clutch upgrade was such a big change and my old one was also slipping I haven't really been able to tell the difference of just the cdv yet. Haven't been shifting hard yet either

I can say the feel is 100% different. My car nearly yanks me into motion, makes it feel like I'm trying to ride a bull haha, can definitely feel the power of the car way more whereas it was masked by the OEM setup before
Whats your impression on the Spec stage 2+ (SB553H) with the cdv delete so far?
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