[Vreimann]

Originally Posted by TDIwyse

Thanks for reporting. Curious how many miles you have on it and how you drive it.

Did you do any rinsing/soaking/cleaning of the inside of the IC? I did several rinsing cycles of soapy water, water, then some methanol, and then blew it out with my shop vac for many minutes to evaporate out any leftover moisture. A lot of extra buildup came out that the draining left behind.

I did finally get it all together, the red side just needed some lubricant to slide into place easier.

I have about 30,000km on it and usually let the motor warm up before driving off. I would rarely push the car until fully warm and I try to be gentle on the car in the city driving but I drive fast on the highway.

I always fill up with our premium diesel and I also use a comprehensive additive.

Just due to my driving quantity I have had an oil change every 10,000km.

When I flashed a light into the IC core, it looked to be very clean on the inside so I didn't bother to do an additional clean.

One thing to note where I live which may play a part. The relative humidity where I live is generally low compared to those that live near water.

Maybe I just need to keep up the similar maintenance and driving style to keep this car running like a top.

[FormerRotor]

@TDIWyse, out of curiosity, why go with the Provent 200 instead of the 400? At first glance, it seems that we may be at the upper limits of the 200 as far as recommended hp applications. ...looking to try to make some progress on this over the winter.

Thanks!

[TDIwyse]

Originally Posted by FormerRotor

@TDIWyse, out of curiosity, why go with the Provent 200 instead of the 400? At first glance, it seems that we may be at the upper limits of the 200 as far as recommended hp applications. ...looking to try to make some progress on this over the winter.

Thanks!

Well, I don't claim to be an expert in this area ...

My thought was those power ratings (and blow by rates) for the various Provent sizes are for industrial engine applications where the engines are typically operating at or near their peak output capability, where as our light duty diesel engine is rarely operating at its peak output for more than brief periods (unless you're on the track or towing). Plus the 400 was bigger and I was concerned about space.

I haven't made any progress on this since earlier in the year. Been focusing on getting the EGR/DPF stuff taken care of first.

Let us know what you do and how it works out!

[taibanl]

Originally Posted by TDIwyse

I took my intercooler off today to evaluate it and clean it. A LOT more oil in there than I was expecting. So you were right in effect that it is collecting some of the blow by oil mist. Although if you look at the post IC intake tub you can still see oil draining back down that tube back into the intercooler.

It would be nice if there was a way to easily "drain" it without taking it off and draining/washing it. Although, BMW did make it relatively easy to remove the IC.

Any reason to believe this isn't the source of the CBU problems?

[r.carson]

Half of the issue...once that oil mist is combined with EGR it turns to a tacky oily mess. I searched EGR on Wikipedia and someone has written up a little explanation under the Diesel engine section.

[TDIwyse]

That's my understanding as well. EGR + CCV = bad. The EGR has gone away. Hope to address the CCV in 2014.

[taibanl]

Okay, the combination approach seems to make sense to my pilot mind. Just as moisture requires a condensation nucleus (Dust) to make rain, perhaps the soot acts a condensation nuclei of sorts for the oil and together they are able to adhere to the sidewalls.

[135i_vs_]

Looking at the 335d CCV design (which doesn't seem to exist in realoem.com), it looks like we have an oil separator (catch can); it's the plastic housing on top of the valve cover. So BMW did try to do "something" about the blow by gases.

Only way to confirm if an add on catch can would actually help, is to receive feedback from someone that already has one in their 335d. How much oil does the catch can collect.

EGR itself is more responsible for the build up more than anything, as the EGR valve suffers from soot/carbon build up. I don't see how the CCV flow would affect this.

We should just design a pipe and reroute the EGR inlet after the DPF instead of before (sort of like the low pressure EGR). I don't think this would throw any codes, assuming the NOX sensors are still reading within threshold.

[Puerto Rican 335d]

The only guy that I know off that has put a catch can from I beleive is from JB is the DOC from Germany a.k.a. 335dwagon and he stated that he would open a blog on it after i sent him a PM but I guess he has been busy and had no time to post INSTALL and progress reports about it

[Hoooper]

Originally Posted by 135i_vs_

Looking at the 335d CCV design (which doesn't seem to exist in realoem.com), it looks like we have an oil separator (catch can); it's the plastic housing on top of the valve cover. So BMW did try to do "something" about the blow by gases.

the pipe you linked is just a pipe. the oil "catch" portion is before that in the circular cup-like part. It has a built in centrifugal separator which definitely DOES work, just doesnt do enough

[135i_vs_]

Originally Posted by Hoooper

the pipe you linked is just a pipe. the oil "catch" portion is before that in the circular cup-like part. It has a built in centrifugal separator which definitely DOES work, just doesnt do enough

Ah ok. It will be interesting to see how much additional oil gets collected by a catch can. Pretty sure it is possible to add one right were I have the circled hose. I just have not looked into taking off these 2 clamps.

[FormerRotor]

To those who know more than I, what do you think of the Parker Racor CCV4500? I like that it has options for a OEM heat blanket (which seems to be a complaint with the Provent that the TDI users seem to have in some of the colder climates) and media replacement indicators, etc. It also is rated to 400hp and sized somewhere between the Provent 200 and Provent 400. I have a replacement intake filter on order & will measure up the free space once I have it installed.

@TDIwyse, don't go through the effort of re-measuring, but does your gut tell you that an extra 1.3" of diameter and 0.6" of height vs. the provent200 would cause some issues?

[TDIwyse]

Originally Posted by FormerRotor

To those who know more than I, what do you think of the Parker Racor CCV4500? I like that it has options for a OEM heat blanket (which seems to be a complaint with the Provent that the TDI users seem to have in some of the colder climates) and media replacement indicators, etc. It also is rated to 400hp and sized somewhere between the Provent 200 and Provent 400. I have a replacement intake filter on order & will measure up the free space once I have it installed.

@TDIwyse, don't go through the effort of re-measuring, but does your gut tell you that an extra 1.3" of diameter and 0.6" of height vs. the provent200 would cause some issues?

The cold/freezing issue has been a concern for me. Glad to see you are thinking about that.

That Racor unit looks good. I agree with your appreciation of the heating aspect.

So right now I have taken up space over on the driver side firewall area with my 2um final fuel filter/water seperator and the water/methanol injection pump. If I didn't have that stuff in the way then this unit would likely fit there.
The passenger side is much tighter due to the exhaust/turbo's.

[FormerRotor]

Originally Posted by TDIwyse

The cold/freezing issue has been a concern for me. Glad to see you are thinking about that.

That Racor unit looks good. I agree with your appreciation of the heating aspect.

So right now I have taken up space over on the driver side firewall area with my 2um final fuel filter/water seperator and the water/methanol injection pump. If I didn't have that stuff in the way then this unit would likely fit there.
The passenger side is much tighter due to the exhaust/turbo's.

That placement would work,but I don't love the length of the run required. I measured last night & it is going to be tight if I go for the below/behind-filter placement. I'm going to have to wait until the air filter comes so I can mock up a dummy and see if it will work.

...I hate waiting...

Edit: due to arrive on the 23rd.

[FormerRotor]

Ok, so I'm finding it to be a real pain to find a 3/4 and 1" ID hose with high oil resistance that can be purchased by the foot. Any thoughts? I see that most of the TDI guys are using vinyl hose from Home Depot, but I would prefer something more purpose built. Only thing I've been able to find by the foot has been oil-resistant high temp washdown hoses like this. Hoping to find standard black PCV/fuel line hose. 3/4 supple, 1 return.

[delviacv2]

Originally Posted by FormerRotor

Ok, so I'm finding it to be a real pain to find a 3/4 and 1" ID hose with high oil resistance that can be purchased by the foot. Any thoughts? I see that most of the TDI guys are using vinyl hose from Home Depot, but I would prefer something more purpose built. Only thing I've been able to find by the foot has been oil-resistant high temp washdown hoses like this. Hoping to find standard black PCV/fuel line hose. 3/4 supple, 1 return.

Try here

http://www.mcmaster.com

[FormerRotor]

Originally Posted by delviacv2

Try here

http://www.mcmaster.com

Interesting data on chemical tolerances of the various tubing...
http://www.mcmaster.com/#5156kac/=py6dmi

[Hoooper]

Nothing at your local auto parts store?

[FormerRotor]

Originally Posted by Hoooper

Nothing at your local auto parts store?

Nothing with a greater ID than 5/8.

[bdwyer]

Originally Posted by FormerRotor

Nothing with a greater ID than 5/8.

Check out your local truck/tractor shop. Go to the parts counter and tell him you need some hydraulic hose with those specs. In the past, I've had my local place make me custom hoses with custom fittings crimped on.

[335dwagon]

I will take pictures today everyone and create a new thread, not really looking forward to reinstalling the engine acoustic cover. Merry Christmas by the way to everyone.

[Puerto Rican 335d]

Gracias DOC we have missed you on this matter hows the MPGs with the new WAGNER IC give tour insight on the WAGNER post, I clocked this weekend 42.7 mpg at 70 mph with A/C on and when i went to take the puics I resetted it and I erased it damn it, after that i was clicking 33-37 mpgs with various driving speeds