335i

IanM3 · 08-02-2011, 10:23 AM

Hi all,

Decided to keep the 335i (rubbish values and I can't be bothered to sell it privately), so I've decided to do a few 'mods'.

I want to start with the CDV replacement - I've always had an issue with 1st and 2nd gear and I reckon this will help. That said, I have a couple of questions. Is it better to modify a standard valve by buying a new one from a dealer, or is it better to purchase an already modified one? If the latter, where can I get one from?

Does anyone know anywhere in Essex that could do the change for me without me having to explain exactly what it is that I want doing?!

Many thanks
Ian

rich1068 · 08-02-2011, 10:54 AM

Juiced Up Tuning are supposed to be able to get them.

However, I contacted them nearly three weeks ago via their '1st class email system' (they don't do phones) to see if they could supply one for the 320d but as yet no answer...

willhollin · 08-02-2011, 11:37 AM

The guys at Birds said it was a waste of time.

EddyH · 08-02-2011, 12:42 PM

Unless you are under warranty and want one there should it go into BMW then just remove it instead.

IanM3 · 08-02-2011, 02:33 PM

Thanks guys.

Willhollin, any more info as to why they said it was a waste of time? I've read loads about it making a difference.

Thanks
Ian

neil@JuicedUpTuning · 08-02-2011, 02:57 PM

Quote:

Originally Posted by IanM3

Hi all,

Decided to keep the 335i (rubbish values and I can't be bothered to sell it privately), so I've decided to do a few 'mods'.

I want to start with the CDV replacement - I've always had an issue with 1st and 2nd gear and I reckon this will help. That said, I have a couple of questions. Is it better to modify a standard valve by buying a new one from a dealer, or is it better to purchase an already modified one? If the latter, where can I get one from?

Does anyone know anywhere in Essex that could do the change for me without me having to explain exactly what it is that I want doing?!

Many thanks
Ian

Hi Ian, we have them in stock

Quote:

Originally Posted by rich1068

Juiced Up Tuning are supposed to be able to get them.

However, I contacted them nearly three weeks ago via their '1st class email system' (they don't do phones) to see if they could supply one for the 320d but as yet no answer...

Hi Richard, Sorry not sure whats happened. I've just checked logs and your original email was received on the 13th July @ 23:11 and we responded 14th @ 8:52. A further email was sent 15th about checking manufacturer.

Not sure why that was but here's the list of compatible cars...

E81 BMW 1 Series
E82 BMW 1 Series
E87 BMW 1 Series
E88 BMW 1 Series
E88 BMW 1 Series
E90 BMW 3 Series
E91 BMW 3 Series
E92 BMW 3 Series
E93 BMW 3 Series

Link to info and instructions here...

http://www.juiceduptuning.co.uk/shop...duct.asp?ID=17

Cheers

Neil

m1bjr · 08-02-2011, 04:15 PM

It is indeed worth doing.
Did the same to my S2000 too as they have a muppet valve.

Odd thing for Birds to say as they have customers who track and strip regularly.

Saves a LOT of clutch wear, and the engagement is more predictable.

IanM3 · 08-02-2011, 04:28 PM

Great stuff, thanks v much, i'll order one asap. Not really confident about doing it myself, so I assume any competent mechanic/garage should be able to fit it?

Thanks again.
Ian

m1bjr · 08-02-2011, 04:30 PM

Its a 1/10 job IMO.
remove plastic cover, pull out two spring clips and swap the parts.
Bleed the fluid, cover back on and go home.
1hr all in, 30min if you have a lift and experience.

EddyH · 08-02-2011, 04:40 PM

Took a matter of minutes when I had mine removed so I imagine replacement is much the same.

I found the biggest difference was as M1BJR mentions, it's far more predictable whereas before I never quite knew when and how it would bite.

ciomas · 08-02-2011, 06:12 PM

Quote:

Originally Posted by willhollin

The guys at Birds said it was a waste of time.

They did it for me a year ago...all they said was that opinions vary. IMHO you simply cannot engage the clutch precisely without modding it. I also think this should always be done in pair with a clutch stop - best mod 5$ can buy

rich1068 · 08-02-2011, 06:27 PM

Quote:

Originally Posted by neil@JuicedUpTuning

Hi Richard, Sorry not sure whats happened.

I was being a little mischievous Neil. Don't worry about it.

The CDV is on my list of things to do. I've read good things about replacing/removing and originally came across it when I was searching for a solution to my juddering clutch. As it turned out the clutch was duff and I had it replaced under warranty. The CDV just went to the back of the queue after that but that doesn't mean I'm entirely happy with BMW fitting the 'muppet' valve as someone else referred to it. I never feel as if I've got complete control over the clutch bite and engagement. If replacing alters this then I'll be in touch with Neil.

335iLondon · 08-03-2011, 08:06 AM

Not to take business away from Neil, but apart from appearance for warranty or something what's the point of a replacement.
Have most simply removed?

rich1068 · 08-03-2011, 08:18 AM

The main thing seems to be warranty and appearance but I think I read on one or two models removal altogether was tricky. I might have dreamt that though.

neil@JuicedUpTuning · 08-03-2011, 09:06 AM

Quote:

Originally Posted by rich1068

I was being a little mischievous Neil. Don't worry about it.

The CDV is on my list of things to do. I've read good things about replacing/removing and originally came across it when I was searching for a solution to my juddering clutch. As it turned out the clutch was duff and I had it replaced under warranty. The CDV just went to the back of the queue after that but that doesn't mean I'm entirely happy with BMW fitting the 'muppet' valve as someone else referred to it. I never feel as if I've got complete control over the clutch bite and engagement. If replacing alters this then I'll be in touch with Neil.

No worries. The CDV has a bigger hole so the clutch engages faster without the OEM delay.

Quote:

Originally Posted by 335iLondon

Not to take business away from Neil, but apart from appearance for warranty or something what's the point of a replacement.
Have most simply removed?

The CDV is identical and the only way would be to remove the CDV and check the size of the hole.

rich1068 · 08-05-2011, 09:09 AM

Well it arrived today and it's being fitted Tuesday AM so I'll let you know.

rich1068 · 08-11-2011, 03:57 AM

I should have said, had the replacement valve fitted and the clutch does indeed feel better. As m1bjr said the action of the clutch is much more predictable. I can feel a proper bite rather than the rather woolly engagement it was before.

Recommended

CarAbuser · 08-11-2011, 04:20 AM

Out of interest what was the cost of the work?

I contacted a local indie about removing it, they had no idea what i was talking about and never got back to me. I'll prob wait until service time then add it to their list of works.

rich1068 · 08-11-2011, 04:29 AM

It's an hours labour at the most. If they do half hour rates that would cover it easily. There's a how-to here but I know my limits.

08-02-2011, 10:23 AM	#1
IanM3 Private First Class 14 Rep 172 Posts Drives: 335i M Sport Touring Join Date: May 2007 Location: Essex iTrader: (0)	335i - Clutch Delay Valve Replacement Hi all, Decided to keep the 335i (rubbish values and I can't be bothered to sell it privately), so I've decided to do a few 'mods'. I want to start with the CDV replacement - I've always had an issue with 1st and 2nd gear and I reckon this will help. That said, I have a couple of questions. Is it better to modify a standard valve by buying a new one from a dealer, or is it better to purchase an already modified one? If the latter, where can I get one from? Does anyone know anywhere in Essex that could do the change for me without me having to explain exactly what it is that I want doing?! Many thanks Ian
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08-02-2011, 10:54 AM	#2
rich1068 has left the building 91 Rep 3,359 Posts Drives: F30 330d M Sport Join Date: Oct 2010 Location: UK iTrader: (0)	Juiced Up Tuning are supposed to be able to get them. However, I contacted them nearly three weeks ago via their '1st class email system' (they don't do phones) to see if they could supply one for the 320d but as yet no answer...
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08-02-2011, 11:37 AM	#3
willhollin Major General 275 Rep 9,914 Posts Drives: VW T5 Join Date: Apr 2008 Location: Worcestershire iTrader: (1) Garage List 2007 BMW E92 330d SE [10.00] 2010 Transporter T5 ... [0.00]	The guys at Birds said it was a waste of time. __________________
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08-02-2011, 12:42 PM	#4
EddyH Private First Class 13 Rep 146 Posts Drives: F10 520ED Join Date: May 2011 Location: United Kingdom iTrader: (2)	Unless you are under warranty and want one there should it go into BMW then just remove it instead.
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08-02-2011, 02:33 PM	#5
IanM3 Private First Class 14 Rep 172 Posts Drives: 335i M Sport Touring Join Date: May 2007 Location: Essex iTrader: (0)	Thanks guys. Willhollin, any more info as to why they said it was a waste of time? I've read loads about it making a difference. Thanks Ian
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08-02-2011, 04:15 PM	#7
m1bjr LSD - No, you're not seeing things 76 Rep 3,302 Posts Drives: Baby F36 Gran Coupe Join Date: Mar 2010 Location: Plymouth UK iTrader: (4)	It is indeed worth doing. Did the same to my S2000 too as they have a muppet valve. Odd thing for Birds to say as they have customers who track and strip regularly. Saves a LOT of clutch wear, and the engagement is more predictable. __________________
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08-02-2011, 04:28 PM	#8
IanM3 Private First Class 14 Rep 172 Posts Drives: 335i M Sport Touring Join Date: May 2007 Location: Essex iTrader: (0)	Great stuff, thanks v much, i'll order one asap. Not really confident about doing it myself, so I assume any competent mechanic/garage should be able to fit it? Thanks again. Ian
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08-02-2011, 04:30 PM	#9
m1bjr LSD - No, you're not seeing things 76 Rep 3,302 Posts Drives: Baby F36 Gran Coupe Join Date: Mar 2010 Location: Plymouth UK iTrader: (4)	Its a 1/10 job IMO. remove plastic cover, pull out two spring clips and swap the parts. Bleed the fluid, cover back on and go home. 1hr all in, 30min if you have a lift and experience. __________________
	Appreciate 0 Quote

08-02-2011, 04:40 PM	#10
EddyH Private First Class 13 Rep 146 Posts Drives: F10 520ED Join Date: May 2011 Location: United Kingdom iTrader: (2)	Took a matter of minutes when I had mine removed so I imagine replacement is much the same. I found the biggest difference was as M1BJR mentions, it's far more predictable whereas before I never quite knew when and how it would bite.
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08-03-2011, 08:06 AM	#13
335iLondon Captain 38 Rep 914 Posts Drives: 07' 335i Msport Join Date: Mar 2011 Location: London iTrader: (0)	Not to take business away from Neil, but apart from appearance for warranty or something what's the point of a replacement. Have most simply removed?
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08-03-2011, 08:18 AM	#14
rich1068 has left the building 91 Rep 3,359 Posts Drives: F30 330d M Sport Join Date: Oct 2010 Location: UK iTrader: (0)	The main thing seems to be warranty and appearance but I think I read on one or two models removal altogether was tricky. I might have dreamt that though.
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08-05-2011, 09:09 AM	#16
rich1068 has left the building 91 Rep 3,359 Posts Drives: F30 330d M Sport Join Date: Oct 2010 Location: UK iTrader: (0)	Well it arrived today and it's being fitted Tuesday AM so I'll let you know.
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08-11-2011, 03:57 AM	#17
rich1068 has left the building 91 Rep 3,359 Posts Drives: F30 330d M Sport Join Date: Oct 2010 Location: UK iTrader: (0)	I should have said, had the replacement valve fitted and the clutch does indeed feel better. As m1bjr said the action of the clutch is much more predictable. I can feel a proper bite rather than the rather woolly engagement it was before. Recommended
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08-11-2011, 04:20 AM	#18
CarAbuser Lieutenant Colonel 495 Rep 1,556 Posts Drives: Z4 35i DCT / E92 335i DCT Join Date: Jul 2010 Location: United Kingdom iTrader: (0)	Out of interest what was the cost of the work? I contacted a local indie about removing it, they had no idea what i was talking about and never got back to me. I'll prob wait until service time then add it to their list of works.
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08-11-2011, 04:29 AM	#19
rich1068 has left the building 91 Rep 3,359 Posts Drives: F30 330d M Sport Join Date: Oct 2010 Location: UK iTrader: (0)	It's an hours labour at the most. If they do half hour rates that would cover it easily. There's a how-to here but I know my limits.
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