BMW CCV PCV Oil Separator Delete Bypass 3 Different Options M52tu M54 E39 E46 E53 E90 E60 E70 

Thanks Nathan!!! I have a 1997 528I as my daily with 147,000 miles. The previous owner deleted the CCV already. However, the the crankcase breather was routed back to the intake and the dipstick was capped. That resulted in a lot of oil being deposited infront of the throttle body. BTW, my car has an S50 intake and larger throttle body (no DISA) I ended up venting the crankcase and dipstick with small K&N filters. I did attach a long 3/8 hose to the dipstick in case some oil were to leak out. All you videos are awsome and very helpful. Thank you for your time.

Hey thanks alot for the videos. I just finished my ccv delete w/ cath can last night. I chose to feed the return line through the stock ccv connection as I have seen many others do. Unfortunately the 3 series doesn't have much room by the intake for mounting the can, so I opted for placing it in the empty battery compartment on the passenger side. Every thing went smoothly except for stripping one of the DISA bolts. Bout to take her for a drive and see if every things ok, just wanted to show some appreciation for the vids, they helped me alot.

Thanks Nathan! I did the delete/catch-can on my 2006 x3 (m54) after buying a ccv that was too cheap to snap/catch connectors (inconvenient lesson learned cheap parts!) I used old BMW fittings that are strong and snap into place. Hose from valve to catch-can “in” with hose adapter and clamped all connections well; then catch-can “out” hose to pcv valve (yes, installed pcv valve going correct direction) and up through intake connector to a new return hose with solid connections at hose transitions. This cleared all 14 confirmed and pending codes. Only drive a few miles a day but 4 highway miles to town. 5 -days after catch-can install, I’m getting white smoke from exhaust and under hood, coming directly from under oil fill cap. Can smell exhaust in cabin (yes, I know that’s unsafe to breath in). Not causing engine temp gauge to change. No apparent oil anywhere but getting oil change today as oil is bad. Thoughts please?! (Not going back to BMW or local BMW shop who quoted $1200-$3400 for ccv & hose replacements!)

Thank you for your videos! I was quoted over $1,000 to replace valve cover gasket and ccv replacement. I'm a single mom and cant afford that.... so, believe it or not, I did the work myself. I tried the ccv replacement and it was a pain in the ass, so I followed your instructions from this video and my car is running better than it ever has!! The only issues I had were trying to explain to the guys at autozone what I was doing.

Thanks Nathan. I recently purchased an x5 that was in mint condition but smoked like hell. Fixed it with the conversion. Sold it shortly after for a rather nice profit. Would have ended up spending an hour or two taking the manifold off to replace ccv had I not found this video.

I’d stick with oem, typically only need to replace the ccv every 120k ish. So if anything you’ll probably only need to replace it once. But if you want an easier job I’d definitely pick one of these two options as they don’t require you to take off the entire manifold. Just do your research!

If u connect the valve cover to the vacumm port on back of intake it will push air back into the engine causing all the oil to be pushed out the vent on the dipstick lol

I have this on my e39 the catch can, and it is great. it does keep the intake clean and it is so easy to do

what did you do with the small hose that came from the fuel rail down to the ccv when you installed the catch can? thanks for the video.

Can u make a video with the whole proses and wat u do with exiting hoses

When deleting the PCV system does the ecu pick up any faults with it not being there or is it as straight forward as it seems?

thats what I thought too. it sucked it in. its a brand new rear seal. I put it in a month ago bc I just rebuilt the whole engine bc of a blown head gasket and the block was no good so I got another one. Anyways, I vented the valve cover and the dipstick and still leaking. If the blue devils dont work, I only know one way to fix it and thats tear the engine back down and take the engine and transmission back apart.

Is it better to run the crankcase gasses back into the intake manifold? It seems to me to just vent it off under the car or straight to the exhaust is better for fresher air and more oxygen going into your intake. The only problem I could see arising with that method is the car actually wanting to run with the crankcase gases, like it's tuned that way. Or it will adjust itself based off o2 and maf sensor? Any answers to the venting method?

just bought the same oil catch can kit off ebay, definitely need to do this my m54 2.2 its on 105k (miles). Not showing any signs of the ccv on its way out but I don't want to wait for it to happen

Mr Nathan Can I Just vent The camcase right to atmosphere and seal The dipstick hole? Tqvm

I've done the cvs twice 242,000 on my 2002 e39 . this repair sounds good but emission insp. is my issue. also info on Trans. failsafe program with brake warning lights . symtoms on my car are intermittent light knock on warmup in the trans bellhouse area and while driving intermittent lost of power, feels like loss of electric or fuel and a few seconds later I get the idiot lights then it drives normally, for now

You don't say what to do with the old CCV hoses and connections. The vacuum side is still connected and I don't know if it will be drawing unmetered air into the system through the CCV.

So do you just leave the oil separator hose that’s connected from the ccv to dipstick under the manifold hanging

so then do you plug the intake lines that go to ccv aswell or what happens with them ?

ok. explain why the oil light was coming on and off. mainly on at stops. it has to be the cause bc I have done nothing else to the car. I took out the pcv valve and installed the catch can exactly how you recommended.now, after driving 20miles, my rear seal is leaking pretty bad. somehow their was a buildup of pressure and the only change I made was the catch can.

Where is that plugged vacuum port from factory near the intake boot.. I can’t find it

Where do I get the catch can do I already have it on the motor? Problem with my car is that I have an E36 Z3 and I'm not sure how similar it is

This is so hokey, just do it the right way and be glad to did! remove the throttle body to access the crankcase valve and be sure to get a new oil dipstick O-ring. put the O-ring on the tube before putting it back in as opposed to trying to put the O-ring in the oil pan. the first option shown is just bad, the second option shown in the video would be more involved then just doing it the right way. be sure to get a kit with all the hoses needed and watch a good instructional video

Is there a conclusive test to determine CCV? I don’t have suction from the oil fill cap, but I do have oil smoke, which seems to only really occur under load. 03 X5 134k. No codes, runs great otherwise.

Can you take the factory pcv valve and hoses off and blow them out and clean them with cleaner and it work again if it was stopped up?

Block dip stick or vent 🤔 I read venting will spray oil all over?

So the 1st method is the same as on older engines, correct?

Hopefully you dont get a back fire in the intake.😮

Hi Nathan, cheers from Mexico. What you do with the hose that comes from the botom of trhe fuel rail? Would I need a pcv valve inline? Gracias

If anyone can help me out that would be great, i current have a 2004 x3 2.5 , rough idle and stumble, multiple misfire codes and lean codes, large amounts of suction at oil cap. lots of oil in intake believe ccv has failed, has random clank sound as well which people have mentioned happens when delete is done incorrectly. thanks would like to delete but have heard to many horror stories a chinese ccv and hoses is only $30

Can this be done in a M62TU in an E38? My oil separator behind the timing chain has failed. I'm trying to bypass it but now my oil leaks, I'm guessing it's coming from the ccv which is brand new

Mr. Nathan please answer a question for me as soon as you have time. I’ve ordered my oil catch can actually very excited however I have a e90 with an aluminum valve cover can you please send me instructions on how to do this delete. I can’t find info on any forums on internet. Really was hoping to do this ASAP. I do watch your videos I feel you are a very knowledgeable man on these things and I certainly would appreciate any info you can provide thank you

was wondering witch catch can on 2004 e60 m54 with or without breather and 2 Port or 3 Port catch can

Ok I know this is a very old video but I need some help. I bypassed my OSV on my E39 540 (M62tu) and am running a catch can now. But literally it's full within 30 minutes of driving and I just don't know what to do. Is there a way to fully delete this system or safely block it off?

Which port on the back of the intake did you hook it up to? Pretty sure I saw 2 or 3 of them on mine.

I'll start out by saying thank you. I was stuck two hrs away from home and while this trick didnt get me home, it got me to my city. I followed your other video where you didnt mention you could put a straight hose from the valve cover to the intake port so I left the valve cover opened. Down shifting to 4th blew my valve cover gasket due to excessive pressure build up and now my car leaks 1 qt every 7 mins. Wish you would have mentioned the straight hose in the other video. Regardless thanks, but next time, pleases try and be a little more consistent..

1997 BMW 528i M52 ... I asked this same question on another of your videos...Do I have to Remove the CCV to do this Bypass...or just leave it in place.... and Hose from the Front Valve cover to the Rear Intake and then Plug or Vent the Dip Stick hose ? OR can I leave the CCV in place but put a filter on both the Valve Cover hose and a filter on the DipStick Hose ?

I put the gasket and sealer were the rear seal meet the block. torqued to specs.oh and the rear seal bracket has a new gasket that seals to block.what you think.

Can you do this on e38 4.4?

Complete delete without catch Can?

Im doing this to my car, but where do i connect the line from.the fuel rail that went to the ccv?

Hi its is any way to do this on 4.8 engine?

Why my mini cooper smoking blue after i drive it for 10 to 15 minutes then i stop when the engine is on then i accelerate it some smoke exit from my muffler?thsnks for response and good day

Uhm...I'm guessing you mispoke regarding the function of the CCV/PVC/EGR/OSV valve being "to separate the oil from the water"... and meant to say somehing more like "oil from the air" which is indeed one of its function, as well as regulating the presure inside the crackcase to avoid blow-by and blowing out seals in the more extreme cases.

very helpful ... i thought about a similar solution for my E46

How do you vent the crank if the breather port on the dip stick is plugged

Nathan. I deleted my acc capped off dipstick tube and both holes in the intake like you said. left the front hose 1" opening open. and am getting a lot of smoke from that hole under the hood. is this normal?

Great video thanks for sharing this with us.

Could we just connect one end of the hose to the valve cover and the other end to the dipstick? I have removed the distribution piece on the intake malifold and blocked the 6 holes using 6 blanking plugs. Fitted 1 inch air filter to the valve cover and blocked the dipstick tube ( where the drain hose would fit from the ccv valve ). Runs fine but it still consumes oil because a lot of vapor comes out of that 1 inch filter.

how long does the mod take when doing the 1st option ? Using 3/8" hose with 3/8" x 1/2' shark bite male adapter or connector you described within this video does my 2006 have this cap you mention on the intake rear of motor as you describe here? I see the kit to fix this has various prices for cost $39.68 seems to be the least expensive way of going to fix if someone has this problem. i have the new coolant recovery tank installed guy says he burped it so no air was in the system but after driving it on NYS Thruway it dipped towards hot but then corrected itself and remained in the center of the temperature range indicator in the dash cluster. The SID information display says check coolant level, is this normal and i just need to now top it off? or do i take it back to the guy shop and have them go over the system again to double check that they got all the air out of my system? lot of these shops are very shady characters...and you just never fully know whether your getting good to great service or being shafted...and my other post was regarding these: CCV PCV

Exactly what i was looking for.

I now have the valve cover tube going to catch can and the other side of the catch can going to the back of the intake manifold and the dipstick tube vented and the two holes on top of the intake manifold closed off. having it hooked up the way you stated, I could barely pull the oil filler cap off and I couldn't pull the dipstick out.

just got finished installing catch can. is it normal to have a large suction on the oil filler cap? also, I unhooked the hose on the catch can coming from the top of the valve cover just to see what was happening bc im curious and it was blowing a smoke mixture out.is this normal? thanks soo much for answering all my questions through out this conversion.

what hose os going to the back of the intake my 99 didnt have one

Hi Nathan! I delete the PCV in my X5 e53 and the valve hose go to the atmosphere. 4 day later I have a leak code. Can be this? Thanks!

I have a BMW X5 2008 4.8i what do you recommend ?

Hi, is it possible to remove ccv, and just plug the hose to intake, like an old m50 engine ?

Nathan, Great video,...thanks. 2 questions: Could a bad CCV cause oil consumption on a 2004 X3 3.0? Where do you recommend purchasing the oil catch can?

Hi Nathan, quick question, I installed the catch can and the car runs SO much better, but I have an occasional oil smell inside the car and also I'm pulling a lot of suction when removing the oil cap when the car is running. Common sense says since I have the catch can installed, that I'll pull a lot of vacuum, but is it normal at the oil cap? Any ideas about the oil smell? Thanks a million for your time.

Nathan, I have tried the single line conversion for a few months now. It cured my smoking problem. However, my engine now seems to be leaking oil from every available seal. I don't think this is a coincidence. Have I missed something?

what about 2006bmw 550i makes white smoke

I did the single line and now the car is blowing white smoke? should i cap off the hoses to the ccv valve? What did I miss

Hey, I installed my catch can by using the port on the back of the intake. It fixed the idle issues but now it's causing oil to leak onto my exhaust manifold. Just installed a new valve cover gasket and it didn't help. any solutions ?

Do I need to cap off all the CCV hoses? Or just the dipstick? Thanks!

What’s the hard line coming over transmission? Small about 3/8

Hi nathan,can you show me how to by pass the oil separator on my e52 4.4i ?Thanks

Hey, I just got a 1996 328i and I'm wondering, does this bypass work on the older M52s? My CCV was deleted but the breather hose is literally connected to nothing and the vacuum lines are all blocked off.

No link to parts, thanks.

Nathan -- your videos are great and very helpful. I certainly appreciate the effort you have put into making them! I have a 2004 4.4L with about 180K on it -- it runs like a scalded ape -- but if I sit at a light for a couple of minutes; when I start moving, I leave a very distinct blue cloud of smoke behind me. :( I thought that this engine I have is an E53 (?) but it looks like your videos are for 6-cylinders -- so that makes me wonder if this will work for my 8-cylinder? I've been quoted ridiculous numbers to have this fixed at a shop --> "your valve guide seals are shot and the engine needs to be rebuilt/replaced for ~$6000". WTH?! Any advice/tips/suggestions will be sincerely appreciated. :)Dan

Thankyou for your Videos. I have a Japan spec RHD 1999 E39 528i. I have done the single hose CCV delete conversion and blocked the dipstick port. Now I have a P0505 fault code I cant get rid of. I ended up removing all intakes boots and checked them for leaks. I have replaced the ICV with a second hand unit. I did have a perished vac hoses running from manifold to sec air valve which I have replaced. There is a check valve in that line white/black. Which way round does it go? I have tried both ways with no joy. The car starts instantly but idles high when cold. When I pump the throttle the car revs to approx 2000 rpm then as it comes down it stumbles and then ASC light comes on and ENGINE FAILSAFE MODE. My car has a fuel regulator on the end of the fuel rail that used to have a vac hose to the CCV. What shoukd happen with this hose after the delete? I have check ed there is slack in the throttle cable as per you P0505 video. Any help much appreciated

Will this pass smog test?

I have a question.

well, after installing a catch can on my bmw m54 I blew the rear main seal. thanks Nathan. beware because this will cause extreme engine pressure.

does the length of the hose matter?

Nathan, does this supersede your video on removing the CCV?

Am i the only one seeing the problem by these options? Isn't the VALVE actually a valve for a reason? Option 1 direct to intake, the plug on the intake is on my car for the brake enhancer. When the valve cover is direct on the intake it will make vacuum in the valvecover when engine is idling (throttle body is almost closed) when you go 6500rpm and remove your foot from the gas and keeps it in gear then the vacuum is very high. This is not good for the engine, it can destroy oil seal and it sucks oil out of the valve-train. The valve is ment to close when the vacuum gets to high. So bypassing it like this is bad. And furthermore "newer" cars have a air measure system that meters the air which it can't when attached directly to the intake. When engine is idling go out and remove the oil cap, if you PCV Valve is broken or if you bypass it like this then the engine will having problems idling since it now can suck in air that aren't accounted for by the computer. Plus the oil that are ment to be condensed and put back in the oil sump is now put into the intake manifold polluting the world and even worse if you don't care for pollution it will make you car run bad since it now also have to burn oil which pollute the combustion. If this should be done then at least but it before the throttle body so the car doesn't vacuum the valve cover to much. The pick up can solution is the same as original PCV Valve but without the valve and reuse of fine oil.

even in reverse or when i drive

Did this exact setup and it works great up to 80 mph on the interstate then it starts smoking, anyone have any ideas what could be causing this

I would like to see you do this on a N52 engine.

Can someone plzzz tell me .. what’s the exact name is it pcv or ccv ?? I have a e60 2006 !! I’m affeaid to by the worng ccv hoses

No no no. I done it to my bm and oil goes up from the dipstick almost all... I leave depstick to vent. Car goes 15mins good just get my feet on gas and oil goes up? Wtf.?

Hi Nathan, Thank you for your videos! I have a 2000 528i touring with the m52tu engine and I'd like to use a catch can instead of the CCV. I looked through your videos but I think I missed what you did to the fuel vacuum line that connects from the fuel rail to the middle of the ccv (the small tube that the m54 doesn't use). Did you cap that line on the fuel vacuum line under the head cover?

Hey bro. Good video. I noticed that you didn't mention using a pcv valve in the catch can setup. Is it necessary to use one or is it fine without it? Thanks man!

thx

Finally some helpful advise, thank you Nathan. THIS just started happening to my newer, 05 e46, it has higher kms on it like 180, my other only 112kms! Ive been freaking out about this retarded amount of white smoke at start up, sometimes if i run it more than 20mins to work, other days nothing. I live in Canada, im sure our shit winter clogged it up. I just had to do my rad, hoses, thermostat, expansion tank, changed my waterpump because of the shit plastic impeller, while doing this. Just ordered a new ccv valve set up frm ebay, but will take a while. Do you think its ok to do the "single hose setup" until the new one gets here.?? Some of the threads read it doesn't lube the top rings that way? I also here catch is shit for Canada, cause of crap weather? I've seen the insulated ccv, im thinking i'll buy the pipe foam/Styrofoam and just cut it to fit the new one.. your thoughts? I really wish some sharp mechanic out there, who knows more about the stupid pressure and how to fix it. Definitively..they could make a fortune. Charge $250. Problem solved..why wouldn't BMW do some sort of apology recall system..any way thanks

Dear all, to make ccv delete possible and to install with oil catch can, you MUST install an aftermarket PCV valve. The purpose of ccv originally is make sure one way flow. you must make sure the crank case cover outlet must connect with PCV valve. it makes sure gas pressure or blowby to blow out one way and prevent them from return back into the crankcase resulting internal pressure to force from whichever hole easily to come out. I realized this when i realize no gas pressure pushing out from crankcase to oil catch tank when idling resulting oil leaks near oil filter gasket and oil filter cover. There are many types of pcv that suits different engine capacity, please get pcv that suits your engine capacity. My engine capacity is 3litre and I am ordering a pcv from Toyota Landcrusier UZJ100. Should be suitable. Thanks.

If you delete the functions of the PCV system your allowing most of the damaging wear causing compounds that enter as blow-by. These quickly settle into the oil reducing its ability to protect. Understanding the PCV system does far more than deal with emissions. There must be constant flushing and evacuation to prevent this wear.

what's the problem?replace the cvv valve

On e39

oh and I taped it in.

you stated in your video too close the oil dipstick hoes that went to the PVC valve. that's what I did and in my case it did not work. it cause excessive pressure on the bottom half of my engine and blew my rear main seal

Couldn't you run the tube from the dipstick to the valve cover... its basically the right diameter... Also the valve cover chamber has passages thru the block to the lower crankcase area of the engine anyway for venting and oil draining as far as I know almost every engine does so the void of these would be equal pressures? You could even incorporate a filter or not...You would still plug off the other part the way you already were.

Nathan I was so pissed up to one hour ago. I asked you for help support whatever you wanna call it. I followed this delete to the tee with the single line method. When I started the car I heard a clanking sound that sounded like my motor was damaged, but being a service writer and mechanic in jaguar infiniti nissan toyiota and honda I knew I was missing something? So I watched and messaged your competion on youtubeand i finally figurerd out the very important thing you left out in this video but you mention it in a previous video the one where you say cut here cut the vent hose for dip stick AND !!!!!!!!!!!!!!!! REMOVE THE VACUME TO THE CCV FROM UP TOP IN BOTH FRONT AND REAR DUDE I STILL THINK YOUR GREAT BUT SLOW DOWN AND REWATCH YOUR VIDEOS CAUSE THIS ONE DOES NOT MENTION PLUGING THE VACUME SUPPLY TO THE CCV OK NOW CAR RUNS GREAT AND LIKE YOU SAID BETTER PEP AND NICER DOWNSHIFT I PLAN TO PUT A SMALL FOAM BREATHER ON THE VALVE COVER HOLE

I have a E46 330ci Euro Engine

Vague

anyone please comment or help see post below 2003 5301

Down votes only because he didn’t really go into full detail on the catch can method which is my preferred method. I’d like the link to the catch can and more details on actually installing and not just looking at a finished product

Hello Nathan, thank you for your videos. I want to hear you suggestion , my 2003 E39 M54B22 125kW engine now in cleaning process because we seen engine burns oil. We will changed all gaskets, suction and exhaust subaps(valves), rings of the pistons, cranck/rod guides etc. And we will replace PCV system 4pcs hoses. Engine block have not got any physical demage, cylinders ok, main cylinder cover ok. When we dismantled all hoses inside covered with oil and black particules, camshaft cover also same. If engine master (my service technician) clean plastic camshaft cover and clean inside the PCV valve, is it enough or we need to be replace these 2 parts also? If I need to change, then how is Febi brand for camshaft cover and pcv valve? Im asking , because we have got huge price for original BMW parts. camshaft cover BMW 900euro Febi 220 euro, PCV valve BMW 100euro Febi 22euro. Actually if good cleaning ok for our dismantled original parts I do not want to replace with new ones. But I do not know inside of the factory pressed oil seperstor section of the camshaft cover wich is really expensive in Turkey. Please share your opinion with me. Regards

In option 2, is it a good idea to install a universal or generic PCV inline between the intake and valve cover or no?

i did it the first way, was venting to atmosphere bc i dont care i use the x5 as a work vehicle but threw check engine right away so decided to hook to back of intake like you did, everytime i hook it to back of intake oil shoots out the dipstick and all the motor oil goes with it over everything, can nottt figure out what im missing, any help would be greatly appreciated, i have to get this thing inspected and it keeps throwing p1092 when vented to atmosphere, back of the intake no code, but then run out of oil in 10 miles and its everywhere….