installed riss racing cdv

shadowiix · 02-14-2009, 06:53 AM

Daniel from riss racing installed their cdv onto my car the other night. What a difference it has made shifting into 1st and from 1st to 2ncd. It feels like a proper manual now. a must get install for all manual folk out there. thanks riss racing for the quick install

rcracer_tx · 02-14-2009, 04:37 PM

Quote:

Originally Posted by shadowiix

Daniel from riss racing installed their cdv onto my car the other night. What a difference it has made shifting into 1st and from 1st to 2ncd. It feels like a proper manual now. a must get install for all manual folk out there. thanks riss racing for the quick install

It made a huge difference. It is an absolute requirement if you have a SSK, or are considering one. Congrats, glad you are liking the new CDV

BSM 135i · 02-14-2009, 05:19 PM

i'm def. getting one, it's also one of the cheapest mods you can do to your car

MastaMind · 02-15-2009, 08:12 AM

I just ordered one yesterday. Surprisingly, I haven't done this yet, but the vague clutch feel definitely gets on my nerves.

dcarchitect · 02-15-2009, 11:02 PM

please fill me in, what is cdv, cost, function....

shadowiix · 02-16-2009, 01:33 AM

cdv explanation on this link http://www.bmw325i.net/rev_cdv_removal.shtml

rm163603 · 02-27-2009, 07:22 AM

It's a lot cheaper to buy a stock valve from the dealer and remove the valve internals yourself. The stock valve is under $10.

All you need to do is push the appropriately sized allen key into the small end of the valve and tap it with a hammer and the valve internals will be drifted out leaving the valve clear and unrestricted. It's very, very easy.

This is all Riss racing do when they modify theirs and they charge you $20 extra for doing it.

supraking · 06-25-2009, 05:45 PM

Does changing/removing the CDV void the warranty on the car, transmission, or clutch?

EngPhys09 · 06-25-2009, 06:20 PM

Quote:

Originally Posted by supraking

Does changing/removing the CDV void the warranty on the car, transmission, or clutch?

Good question. You can definitely notice between 1 and 2.

I'm getting a Evo III SSK for the 128i within the next week hopefully it fixes the dead shifter.

Evice · 06-25-2009, 10:33 PM

I have driven manual cars before Ford Focus and Audi A4 in Europe.. But I am somewhat new to this 'vague' feeling that guys are talking about. I didn't catch it, may be I forgot it driving auto in usa.. I got my 128i 2 days ago.

can someone explain a bit more ?

supraking · 06-26-2009, 12:34 AM

Quote:

Originally Posted by Evice

I have driven manual cars before Ford Focus and Audi A4 in Europe.. But I am somewhat new to this 'vague' feeling that guys are talking about. I didn't catch it, may be I forgot it driving auto in usa.. I got my 128i 2 days ago.

can someone explain a bit more ?

Yeah, I've had my 128 for a week and hadn't noticed anything different about shifting. Mind you, I haven't tried to really open the car up yet, but I still don't have any problems performing a smooth shift from 1 to 2. Then again, I don't know what it'd be like without the CDV so I have nothing to compare to.

Alow · 06-26-2009, 11:07 AM

Quote:

Originally Posted by supraking

Yeah, I've had my 128 for a week and hadn't noticed anything different about shifting. Mind you, I haven't tried to really open the car up yet, but I still don't have any problems performing a smooth shift from 1 to 2. Then again, I don't know what it'd be like without the CDV so I have nothing to compare to.

ditto. I don't feel like I need to touch it either.

EDIT: to clarify, I think I understand the "vague" feeling, but it doesn't bother me enough to do something about it.

EngPhys09 · 06-27-2009, 10:04 AM

I slightly notice it. I'm still in the break in period all be it.

The vagueness that people are describing refers to the feel that they get from the clutch pedal.
The return rate on the clutch pedal is very slow. This makes it difficult for some people to shift between 1/2 when they are driving hard.

Do some research on the forum under the DIY section or search CDV. It looks to me like BMW has been doing this for a while. I noticed it on a 2001 E39, my 90 E34 didn't have this feeling at all.

I'm still up in the air whether or not to replace it. I'm putting in a new SSK for my car from UUC. I really dont like the plastic feeling I'm getting from the shifter.
Then maybe do the CDV mod.

bmwsam · 06-27-2009, 05:19 PM

Quote:

Originally Posted by supraking

Does changing/removing the CDV void the warranty on the car, transmission, or clutch?

This has been my question too. I'd love to do this to my 128i but I don't want to risk voiding the warranty.

supraking · 07-20-2009, 05:05 PM

Quote:

Originally Posted by bmwsam

This has been my question too. I'd love to do this to my 128i but I don't want to risk voiding the warranty.

Will ask the tech when my replacement exhaust arrives this/next week.

janus77 · 08-12-2009, 08:34 AM

Ok, so i've got a 125i manual, and i'm finding the gear changes a bit rough overall.. was looking at an audi s3 which had a MUCH smoother gearbox. Just wondering if there's anything that can smoothen out the gear changes, or are the BMW boxes just a bit rough?

Have missed a few gears here and there when driving hard, guess the CDV would be a good option (assuming this is the reason and not my dodgy gear changing

. would the SSK improve the feel at all, or just shorten the throw?

EngPhys09 · 08-12-2009, 11:28 AM

Quote:

Originally Posted by janus77

Ok, so i've got a 125i manual, and i'm finding the gear changes a bit rough overall.. was looking at an audi s3 which had a MUCH smoother gearbox. Just wondering if there's anything that can smoothen out the gear changes, or are the BMW boxes just a bit rough?

Have missed a few gears here and there when driving hard, guess the CDV would be a good option (assuming this is the reason and not my dodgy gear changing

. would the SSK improve the feel at all, or just shorten the throw?

I put a UUC Evo III SSK and it made a world of difference in the car. Not sure if I need a CDV delete. Definitely SSK was the best thing for it.

02-14-2009, 06:53 AM	#1
shadowiix Second Lieutenant 20 Rep 204 Posts Drives: 128i Join Date: Oct 2008 Location: irvine iTrader: (0)	installed riss racing cdv Daniel from riss racing installed their cdv onto my car the other night. What a difference it has made shifting into 1st and from 1st to 2ncd. It feels like a proper manual now. a must get install for all manual folk out there. thanks riss racing for the quick install
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02-14-2009, 05:19 PM	#3
BSM 135i Colonel 206 Rep 2,229 Posts Drives: 08' BSM E82 Join Date: Dec 2008 Location: Cali iTrader: (23)	i'm def. getting one, it's also one of the cheapest mods you can do to your car
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02-15-2009, 08:12 AM	#4
MastaMind I like beer 32 Rep 1,286 Posts Drives: AW 135 Join Date: Jul 2007 Location: Under Pressure iTrader: (0)	I just ordered one yesterday. Surprisingly, I haven't done this yet, but the vague clutch feel definitely gets on my nerves.
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02-15-2009, 11:02 PM	#5
dcarchitect New Member 0 Rep 16 Posts Drives: 128i sport 6 speed Join Date: Feb 2009 Location: san francisco peninsula california iTrader: (0)	huh please fill me in, what is cdv, cost, function....
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02-16-2009, 01:33 AM	#6
shadowiix Second Lieutenant 20 Rep 204 Posts Drives: 128i Join Date: Oct 2008 Location: irvine iTrader: (0)	cdv explanation on this link http://www.bmw325i.net/rev_cdv_removal.shtml
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02-27-2009, 07:22 AM	#7
rm163603 New Member 1 Rep 21 Posts Drives: E82 135i N54 Join Date: Feb 2009 Location: England iTrader: (0)	It's a lot cheaper to buy a stock valve from the dealer and remove the valve internals yourself. The stock valve is under $10. All you need to do is push the appropriately sized allen key into the small end of the valve and tap it with a hammer and the valve internals will be drifted out leaving the valve clear and unrestricted. It's very, very easy. This is all Riss racing do when they modify theirs and they charge you $20 extra for doing it.
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06-25-2009, 05:45 PM	#8
supraking Captain 49 Rep 759 Posts Drives: 128i Coupe 6MT Join Date: Apr 2009 Location: Montreal iTrader: (0) Garage List 2009 128i Coupe [0.00]	Does changing/removing the CDV void the warranty on the car, transmission, or clutch?
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06-25-2009, 10:33 PM	#10
Evice Major 194 Rep 1,457 Posts Drives: E92M3 Join Date: Apr 2009 Location: Somewhere here iTrader: (1)	I have driven manual cars before Ford Focus and Audi A4 in Europe.. But I am somewhat new to this 'vague' feeling that guys are talking about. I didn't catch it, may be I forgot it driving auto in usa.. I got my 128i 2 days ago. can someone explain a bit more ? __________________ My Track Videos
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06-27-2009, 10:04 AM	#13
EngPhys09 Second Lieutenant 10 Rep 214 Posts Drives: 09 128i SRM Join Date: Jun 2009 Location: Hamilton, Ontario iTrader: (0)	I slightly notice it. I'm still in the break in period all be it. The vagueness that people are describing refers to the feel that they get from the clutch pedal. The return rate on the clutch pedal is very slow. This makes it difficult for some people to shift between 1/2 when they are driving hard. Do some research on the forum under the DIY section or search CDV. It looks to me like BMW has been doing this for a while. I noticed it on a 2001 E39, my 90 E34 didn't have this feeling at all. I'm still up in the air whether or not to replace it. I'm putting in a new SSK for my car from UUC. I really dont like the plastic feeling I'm getting from the shifter. Then maybe do the CDV mod.
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08-12-2009, 08:34 AM	#16
janus77 Lieutenant 36 Rep 526 Posts Drives: 125i coupe Join Date: Jun 2009 Location: Sydney iTrader: (0)	Ok, so i've got a 125i manual, and i'm finding the gear changes a bit rough overall.. was looking at an audi s3 which had a MUCH smoother gearbox. Just wondering if there's anything that can smoothen out the gear changes, or are the BMW boxes just a bit rough? Have missed a few gears here and there when driving hard, guess the CDV would be a good option (assuming this is the reason and not my dodgy gear changing . would the SSK improve the feel at all, or just shorten the throw? __________________ 125i, stick shift, M pack w/ 18's, 225/255 Z1's, saphire black, BMW CF rear spoiler, black interior, Midnight tint, business nav, sunroof, Injen intake, H&R sways.
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