Anyone else NOT notice the CDV?

Bizall · 06-04-2008, 11:28 PM

I've got about 350 miles on her, and I haven't noticed any difference shifting than any other car I've driven. No jerky shifts, all smooth. I always read horrible things about it, but I haven't noticed a thing. Anyone else? Those that have noticed "it", what exactly did it do and in what situation? I haven't "launched" her yet, so that could be the only reason to me of when it would be noticeable. Thanks.

topvega · 06-04-2008, 11:33 PM

I have at times noticed a bit of difficulty between shifts of first to second... it seems like i have to really pay attention and give a slight pause between these shifts...this is usually when I am in launch conditions... when I am just leisurely driving around town there is no problem...

Dan203 · 06-05-2008, 01:20 AM

I'm still not use to the clutch so I'm not sure if the things I've felt are CDV related, or just me getting use to the car.

One thing shifter related though... is it just me or does 1st gear feel like it's a slight angle? With my old car it was straight forward for first. On the 135i it almost feels like I have to angle toward the driver's side a tiny bit to get it in gear. Feels a little odd, but I'm sure I'll get use to it.

Also first gear seems to get up to RPM a little too quickly, at least compared to what I'm use to. I actually took off in 2nd once and that felt more normal to me.

Dan

InsaneSkippy · 06-05-2008, 01:50 AM

I agree with you Dan. There was more than one time where I was wondering if I was in 1st or reverse because of the shifter angle lol. First is a very quick gear, I too have launched in second and thought it felt "normal"

Swift135 · 06-05-2008, 02:02 AM

Quote:

Originally Posted by topvega

I have at times noticed a bit of difficulty between shifts of first to second... it seems like i have to really pay attention and give a slight pause between these shifts...this is usually when I am in launch conditions... when I am just leisurely driving around town there is no problem...

1-2nd has nothing to do with the CDV, I suspect it has more to do with BMW over engineering the lower gears so that the gears box holds up over years of hammering.

amybang · 06-05-2008, 04:45 AM

Quote:

Originally Posted by Dan203

I
Also first gear seems to get up to RPM a little too quickly, at least compared to what I'm use to. I actually took off in 2nd once and that felt more normal to me.

I thought first gear went too quickly too, and found it sort of awkward. It's one of the reasons I bought the automatic. But I'm kind of regretting that now.

amy!

Oregon · 06-05-2008, 04:59 AM

By a rather large margin, from gear 1st to 2nd, the 135 is the most difficult car to smoothly shift, I have ever driven. And, no, the 135 is not the second manual I have ever driven.

IDBMW · 06-05-2008, 11:37 AM

I think you need to remove the CVD before you make the conclusion. I did not think anything was wrong with the shifting with the CVD but heard all the hype so I went and did it. What a difference it made. I then could see the difference.

mistermojorizin · 06-05-2008, 12:23 PM

Quote:

Originally Posted by Surname

By a rather large margin, from gear 1st to 2nd, the 135 is the most difficult car to smoothly shift, I have ever driven. And, no, the 135 is not the second manual I have ever driven.

1-2 is probably on par with my previous g35. the 1er has a sweet spot of about 3.5k rpm and i have to get on the gas a bit sooner (due to throttle hesitation i suspect) to smooth out the shift.

You will notice the cdv however when you try to rev match downshift, especially into 2nd.

Crowley · 06-05-2008, 12:34 PM

I have not had any problems shifting 1st - 2nd and find most shifts very smooth .. no problems here ..

Crowley

vanbmw · 06-05-2008, 01:07 PM

I find my car shifts nice and smoothly! I do not notice any problems with the CDV and I am not planning on modifying mine. Having said that...there a several 1addicts that have modified the CDV and they are really happy with it. Sounds like it is an inexpensive change if anyone is dissatisfied with the 1-2 shift.

mad chemist · 06-05-2008, 01:54 PM

Quote:

Originally Posted by vanbmw

I find my car shifts nice and smoothly! I do not notice any problems with the CDV and I am not planning on modifying mine. Having said that...there a several 1addicts that have modified the CDV and they are really happy with it. Sounds like it is an inexpensive change if anyone is dissatisfied with the 1-2 shift.

Guy's I've done the mod. Took about an hour. Was quite difficult to jack the car up properly. Having said that, after completing the CDV exchange (fitted a Riss CDV) the difference was quite noticeable. 1-2 gear seems most improved.

Also, you soon get used to the mod and don't really know its changed after a while. Also as the clutch now engages and disengages much more quickly, on the fly you often find the revs dropping a bit between shifts, whereas before the CDV restriction may have helped smooth things over here.

I guess whether you do or don't have this mod, your driving style should adapt either way in the end.

Just my 10$ worth.

Mad.

ChrisK · 06-05-2008, 02:16 PM

I learned to drive on a manual (25 years ago), and have owned nothing but MT's ever since.

Unless you shift very slow or you are rev'n high, this car does not shift smoothly from 1-2 with the CDV. I noticed the same type of response from my e46 330i. I bet it also had a CDV.

I will remove mine Sat and report back.

Bizall · 06-05-2008, 05:03 PM

Yea, I think I will just remove it and see if I can tell any difference. Probably tomorrow. I will report back with any findings.

Kris · 06-05-2008, 05:54 PM

I too have similar issues with 1st to 2nd, I find that if you change with just the slightest bit of pressure on the accerator during shift, that smooths up the 1st/2nd change but its still pretty difficult!

Every other gear is fine for me.

Red135 · 06-05-2008, 05:55 PM

ChrisK and Bizall, I look forward to hearing your opinions on the CDV. I have been holding off on installing mine.

Maine1 · 06-05-2008, 06:24 PM

What is the intended purpose of the CDV since it only seems to make things worse from what I am reading here? I have not experienced it personally yet - my car is due in a week.

Dan203 · 06-05-2008, 07:01 PM

I believe the intended purpose is to extend the life of the syncros.

Dan

Jewpac · 06-05-2008, 07:48 PM

Quote:

Originally Posted by Surname

By a rather large margin, from gear 1st to 2nd, the 135 is the most difficult car to smoothly shift, I have ever driven. And, no, the 135 is not the second manual I have ever driven.

I find it very easy personally.

Yoot1 · 06-05-2008, 08:53 PM

The first thing I did when I got my car home was to go on this forum and search for "clutch replacement". It was the absolute worst clutch I ever owned san my Chevy Citation.

I had to shift like I was partially anesthetized to avoid a jerky shift.

That's when I first learned of the CDV. Since it's removal, the clutch is livable. My opinion of BMW dropped dramatically at that point, though after driving it balls out in Central Oregon, my respect has returned.

fshowcars · 06-05-2008, 10:58 PM

are you guys that are removing the cdv simply buying a replacement and removing the insert? Just curious.

Bizall · 06-05-2008, 11:04 PM

I'll do mine tomorrow by just taking the CDV out completely. Cheaper, and I will put it back anyway before going in for service.

06-04-2008, 11:28 PM	#1
Bizall Captain 123 Rep 905 Posts Drives: 2019 Honda Accord Touring 2.0 Join Date: Feb 2008 Location: Northern Virginia iTrader: (0)	Anyone else NOT notice the CDV? I've got about 350 miles on her, and I haven't noticed any difference shifting than any other car I've driven. No jerky shifts, all smooth. I always read horrible things about it, but I haven't noticed a thing. Anyone else? Those that have noticed "it", what exactly did it do and in what situation? I haven't "launched" her yet, so that could be the only reason to me of when it would be noticeable. Thanks. __________________ 2018 BMW M3 - 12.1 @ 121mph 2014 BMW 335i M-Sport (Sold) 12.4 @ 113mph 2008 BMW 135i (Sold) 12.8 @ 106mph
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06-04-2008, 11:33 PM	#2
topvega Kinda sorta banned on N54 19 Rep 626 Posts Drives: 135 SGM JB3 Join Date: Mar 2008 Location: NJ Exit 91 iTrader: (0)	I have at times noticed a bit of difficulty between shifts of first to second... it seems like i have to really pay attention and give a slight pause between these shifts...this is usually when I am in launch conditions... when I am just leisurely driving around town there is no problem... __________________
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06-05-2008, 01:20 AM	#3
Dan203 Lieutenant Colonel 136 Rep 1,592 Posts Drives: 2016 340i xDrive Join Date: Jul 2008 Location: Carson City, NV iTrader: (1)	I'm still not use to the clutch so I'm not sure if the things I've felt are CDV related, or just me getting use to the car. One thing shifter related though... is it just me or does 1st gear feel like it's a slight angle? With my old car it was straight forward for first. On the 135i it almost feels like I have to angle toward the driver's side a tiny bit to get it in gear. Feels a little odd, but I'm sure I'll get use to it. Also first gear seems to get up to RPM a little too quickly, at least compared to what I'm use to. I actually took off in 2nd once and that felt more normal to me. Dan
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06-05-2008, 01:50 AM	#4
InsaneSkippy Lieutenant Colonel 79 Rep 1,597 Posts Drives: 135i Join Date: Jul 2007 Location: Florida iTrader: (1)	I agree with you Dan. There was more than one time where I was wondering if I was in 1st or reverse because of the shifter angle lol. First is a very quick gear, I too have launched in second and thought it felt "normal" __________________
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06-05-2008, 04:59 AM	#7
Oregon NRA Life Member, BMW CCA 30 year member 181 Rep 2,614 Posts Drives: 04' M3 Join Date: Aug 2007 Location: Oregon iTrader: (1) Garage List 1971 2002 [0.00] 2004 M3 [0.00] 2008 135i [0.00]	By a rather large margin, from gear 1st to 2nd, the 135 is the most difficult car to smoothly shift, I have ever driven. And, no, the 135 is not the second manual I have ever driven. __________________ Resigned 1ADDICTS Moderator “To disarm the people is the best and most effective way to enslave them.” – George Mason
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06-05-2008, 11:37 AM	#8
IDBMW Captain 41 Rep 825 Posts Drives: 2019 X3 M40i Join Date: Mar 2008 Location: Boise, ID iTrader: (0)	I think you need to remove the CVD before you make the conclusion. I did not think anything was wrong with the shifting with the CVD but heard all the hype so I went and did it. What a difference it made. I then could see the difference. __________________ 2019 X3 M40i - Black Sapphire Metallic - Mocha Lather - 21" 718M wheels - Every option except Sun Shade
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06-05-2008, 12:34 PM	#10
Crowley Major 54 Rep 1,015 Posts Drives: Join Date: Oct 2007 iTrader: (0)	I have not had any problems shifting 1st - 2nd and find most shifts very smooth .. no problems here .. Crowley __________________ The last words on the powerplant should go to a clearly overwhelmed Hormazd Sorabjee, editor and publisher of Autocar India: “There is something simply magical about BMW’s in-line six. It has a creamy smoothness that makes velvet feel like sandpaper.”
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06-05-2008, 01:07 PM	#11
vanbmw Major 130 Rep 1,101 Posts Drives: 2015 Black 335i Join Date: Feb 2008 Location: Vancouver iTrader: (0)	I find my car shifts nice and smoothly! I do not notice any problems with the CDV and I am not planning on modifying mine. Having said that...there a several 1addicts that have modified the CDV and they are really happy with it. Sounds like it is an inexpensive change if anyone is dissatisfied with the 1-2 shift.
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06-05-2008, 02:16 PM	#13
ChrisK Major General 4449 Rep 7,594 Posts Drives: '19 M2C Join Date: Jun 2007 Location: Chicagoland iTrader: (7) Garage List 2019 BMW M2C [7.00] 2015 Porsche Macan S [0.00]	I learned to drive on a manual (25 years ago), and have owned nothing but MT's ever since. Unless you shift very slow or you are rev'n high, this car does not shift smoothly from 1-2 with the CDV. I noticed the same type of response from my e46 330i. I bet it also had a CDV. I will remove mine Sat and report back. __________________ www.ReTuneTheDeTune.com 2019 M2 Competition (Sunset Orange)
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06-05-2008, 05:03 PM	#14
Bizall Captain 123 Rep 905 Posts Drives: 2019 Honda Accord Touring 2.0 Join Date: Feb 2008 Location: Northern Virginia iTrader: (0)	Yea, I think I will just remove it and see if I can tell any difference. Probably tomorrow. I will report back with any findings. __________________ 2018 BMW M3 - 12.1 @ 121mph 2014 BMW 335i M-Sport (Sold) 12.4 @ 113mph 2008 BMW 135i (Sold) 12.8 @ 106mph
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06-05-2008, 05:54 PM	#15
Kris Colonel 123 Rep 2,295 Posts Drives: m3 Join Date: Jun 2008 Location: USOFA iTrader: (0)	I too have similar issues with 1st to 2nd, I find that if you change with just the slightest bit of pressure on the accerator during shift, that smooths up the 1st/2nd change but its still pretty difficult! Every other gear is fine for me.
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06-05-2008, 05:55 PM	#16
Red135 La Flama Blanca 27 Rep 1,545 Posts Drives: 1-series Join Date: Mar 2008 Location: Abq, NM iTrader: (1)	ChrisK and Bizall, I look forward to hearing your opinions on the CDV. I have been holding off on installing mine. __________________ AMS, Berk Technology, aFe, ER
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06-05-2008, 06:24 PM	#17
Maine1 Private First Class 4 Rep 172 Posts Drives: M235xi Join Date: May 2008 Location: Scarborough, Maine iTrader: (0)	What is the intended purpose of the CDV since it only seems to make things worse from what I am reading here? I have not experienced it personally yet - my car is due in a week.
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06-05-2008, 07:01 PM	#18
Dan203 Lieutenant Colonel 136 Rep 1,592 Posts Drives: 2016 340i xDrive Join Date: Jul 2008 Location: Carson City, NV iTrader: (1)	I believe the intended purpose is to extend the life of the syncros. Dan
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06-05-2008, 08:53 PM	#20
Yoot1 Private First Class 5 Rep 119 Posts Drives: 135i Join Date: Dec 2007 Location: Eastern Washington iTrader: (0)	The first thing I did when I got my car home was to go on this forum and search for "clutch replacement". It was the absolute worst clutch I ever owned san my Chevy Citation. I had to shift like I was partially anesthetized to avoid a jerky shift. That's when I first learned of the CDV. Since it's removal, the clutch is livable. My opinion of BMW dropped dramatically at that point, though after driving it balls out in Central Oregon, my respect has returned. __________________ I want 1
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06-05-2008, 10:58 PM	#21
fshowcars Getting Pulled Over 2 Rep 185 Posts Drives: Join Date: Apr 2008 iTrader: (0)	are you guys that are removing the cdv simply buying a replacement and removing the insert? Just curious.
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06-05-2008, 11:04 PM	#22
Bizall Captain 123 Rep 905 Posts Drives: 2019 Honda Accord Touring 2.0 Join Date: Feb 2008 Location: Northern Virginia iTrader: (0)	I'll do mine tomorrow by just taking the CDV out completely. Cheaper, and I will put it back anyway before going in for service. __________________ 2018 BMW M3 - 12.1 @ 121mph 2014 BMW 335i M-Sport (Sold) 12.4 @ 113mph 2008 BMW 135i (Sold) 12.8 @ 106mph
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