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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 10-05-2014, 02:36 PM   #1
dd690
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Join Date: May 2013
Location: london. UK
Posts: 5
My Ride: 320CI
Slight clutch slip on 330ci SMG, only when not in sport mode

Before i start, please, i have read all the horror stories and i would love to not be abused for buying an ssg/smg or whatever anyone wants to call it.

OK, so i just bought this car yesterday. (my 4th e46.. addicted!) 2002 330ci m sport, 84k, full service history, great runner, super clean. love it!

so the thing is when the car is driven, on up-shift, it changes gear and there is a slight slip of the clutch after the gear is engaged. similar to when a new driver, driving a manual box, cant get their foot off the clutch pedal quick enough. like its 'rides' a little.

now in sport mode when driven up through the revs or driven like an old couple on a sunday drive it does NOT slip at all.

just wondering weather this slip is me being a little finicky? and they all do it to keep the car going smoothly during slow driving?

any thoughts appreciated. i'm fairly technically minded with cars so the more info people give the better.

also i'm in the U.K if that makes any difference?

Thanks everyone.

Last edited by dd690; 10-05-2014 at 02:37 PM.
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Old 10-06-2014, 08:52 AM   #2
dd690
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Location: london. UK
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Just an update to anyone that may have read this. I spoke to a bmw specialist and they said this is normal to smooth out the gear changes. Seems like driving in sports mode will prolong the life of my clutch lol.
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Old 05-31-2016, 09:54 AM   #3
jonnyonebomb
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Hi I have the same as yours
UK as well, did you have any more problems with the smg?
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Old 05-31-2016, 01:04 PM   #4
mr ilia
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My Ride: 2004 BMW 325i 5spd
I know old post, but do SMG/SSG have CDV?
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---- My Beemer history ----
2004 BMW 325i sedan - Schwarz II
1998 BMW 323i coupe - Lazurblau
2004 BMW 325ci - Sapphire Black
1991 BMW 318i sedan - Lazurblau
2001 BMW 330i sedan (Auto) - Japanrot

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Old 05-31-2016, 01:07 PM   #5
jonnyonebomb
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Quote:
Originally Posted by mr ilia View Post
I know old post, but do SMG/SSG have CDV?
I'm not sure what a CDV is?
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Old 06-05-2016, 11:10 AM   #6
domibln
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Join Date: Mar 2014
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My Ride: E46 325Ci SMG
No the SMG has of course no CDV. Clutch slip symptoms are normally caused by leaking clutch actuator (comparable to clutch slave cylinder). It's the most common issue of Non-M SMGs. I offer overhaul for this part, just search forum in case of interest.
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Old 06-05-2016, 11:20 AM   #7
BaliDawg
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Quote:
Originally Posted by jonnyonebomb View Post
I'm not sure what a CDV is?
Clutch Delay Valve: here's a nice little article on it.
https://www.zeckhausen.com/catalog/index.php?cPath=6562

SSG doesn't need a CDV because clutch release is fully controlled by the actuator.
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Old 06-05-2016, 12:17 PM   #8
jonnyonebomb
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Smg it is pal
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Old 06-05-2016, 12:25 PM   #9
Mflara20
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Location: Demorest Georgia
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My Ride: 04 330i
I was looking for a slave cylinder for my Manual and came across a smg slave cylinder and is expensive!

Sent from my SM-G925P using Tapatalk
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Old 06-05-2016, 01:45 PM   #10
jonnyonebomb
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Over my head
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Old 06-05-2016, 02:09 PM   #11
sprintman
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My Ride: Ex 325CI owner
SSG not SMG
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Old 06-05-2016, 03:55 PM   #12
jonnyonebomb
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In your opinion
Obv drive stick
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Old 06-06-2016, 06:53 AM   #13
sprintman
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Quote:
Originally Posted by jonnyonebomb View Post
In your opinion
Obv drive stick
SSG in 325/330, SMG used in M3 only. SSG by Guiseppe Medico of Magnetti-Marelli Italy, and M3 SMG by Siemens. 80ms shift speed in SMG and 150ms in SSG.

Last edited by sprintman; 06-06-2016 at 07:08 AM.
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Old 06-06-2016, 06:58 AM   #14
jonnyonebomb
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Yh I've heard a few different opinions on that.
140k on the clock and it hasn't skipped a beat up to now.
Sounds like I'm a lucky one
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