BMW PCV Replacement (Breather System, Throttle Body, Idle Control Valve, Dip Stick)

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We're back with Gareth Foley to walk you through a complete PCV system replacement. We also pull out many other components such as the throttle body & gasket, disa valve, mass airflow sensor, dipstick gasket, idle control valve, and others on an M52TU motor.
BMW Throttle Body (E36 E39 E46) - Hella 13541433414
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BMW Idle Control Valve (ICV) - Bosch 0280140545
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Volvo PCV Breather System Replacement (850 Turbo) FCP Euro
• Volvo PCV Breather Sys...
BMW Oil Dipstick Seal - CRP 11431740045
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[@MrSlowestD16]

and BMW wins the "most complicated PCV replacement" award of the century... . Nice vid, though!

[@charlesmckinnis2718]

Best video by far on this process!!! Thank you. Please learn about White Lithium spray grease for all of your rubber parts and O-rings; it makes the job almost effortless and saves damage to the rubber parts. You sound very much like you were trained in the military!

[@primariochoa]

I was having the same hesitating, stuttering problem with my BMW 2005 330CI for 4 years, I didn't replaced the ICV, just cleaned it, but before clean it I shaked it to see if I can hear the rattle, I heard it but it got stuck , so after I sprayed it with the throthle body & air intake cleaner I heard it so clear, improved but stil have little up and downs on the RPM, think if I replace it will get better, I just want to thank your effort and time to make this step by step video tutorial, I really do appreciate it❗💯

[@HeavyDutyBS]

You can always tell a good experienced mechanic by the nimbleness of their fingertips. Most can twist fasteners into place almost without tools. This comes from years of experience. Very educational video!

[@marcjohnson5148]

This may be the most thorough and encouraging tutorial on replacing the ccv. Thank you for your time and patience. God bless you

[@johngilesyoder]

This is so insanely detailed and helpful, I can hardly believe it. 41 minutes.... Thank you so much for these e39 videos. FCP is becoming my go-to shop. Way to be.

[@RobertoSunga]

Best instructional video I have ever seen for a BMW, not a single detail left out, thanks a lot!

[@fcpeuro]

+Roberto Sunga No problem at all. I'm glad you like it.

[@garrettgiuffre7298]

I actually got stuck at step one since I had a stock intake. I couldn't figure it out and have up. 😭

[@fcpeuro]

Perfect! Often times a worn PCV system can cause issues like this and its easy to throw parts at the problem thinking its something else. These PCV systems are a pain to do because of the location but patience is always a virtue on this job (and maybe someone with some small hands too). - Gareth Foley

[@TheCarLife]

Thank you. This is a time consuming job but I'm glad you can see all the nuances in this video. In fact, you can see more in the video than I could see while working on it.

[@INNO222]

A little bit of silicone spray here and there on the o-rings, plastic/rubber parts could of really helped you. That's what I'm going to use on my E39 next week for this CCV job. Great clip thanks.

[@fcpeuro]

Thank you for the question Miguel.The tools you are going to need is a 3/8" ratchet, some 3/8" extensions, assorted 3/8" metric sockets, and a T40 bit driver. You will also need some flat head screw drivers and if you can get it, a flexible hose clamp driver. - Gareth Foley

[@FreddySpr]

Aloa Gareth! Merci pour cette vidéo, la seule qui donne confiance par sa clarté et sa lumière! J'ai bien réussi a changer ma "pcv" et les durites sur ma E46 323 CI, ça faisait un an que mon moteur attendait ça! économique en plus! Maintenant ça ronfle! Congratulations Gareth, continuez! (je voudrais travailler avec vous!)

[@dondelacruz5630]

real pro, very detailed and systematic in your processes, easy to comprehend for a d/y guy like me, thank you much

[@1ooblunts]

im glad i saw this video before starting the job i'm gonna have to get a few more things i wasn't aware of glad you addressed all the (seemingly) tiny details

[@fcpeuro]

The "while you're in there" effect is real.

[@airconditiondarncats]

Thanks for this FCP and Gareth. Finished this job today, ordered the PCV breather kit with CCV from FCP. Tutorial showed me how to do it beginning to end with no surprises.

[@samytm26]

I got the same engine and your video helped me A LOT to change the CCV myself !! Thanks you !!

[@fcpeuro]

Thank you. And it's our pleasure. Filming these videos is always fun. This is a large job that requires attending to all of the details. Small items like o-rings for the dipstick are often overlooked when they should be addressed. We're glad to announce the car that this repair was done on is working great.

[@TheBasicKnowledge]

BMW Best videos on the Tube!!

[@michaelerasmus7427]

Very good video that clearly explains all the steps required to do the repair. Thanks for sharing.

[@vanessahardin5409]

Best instructional video I have ever seen!!!!

[@rcatank]

bravo... just in time.. I ordered up these parts weeks ago from you guys... but was still skeptical getting all the way down to the PCV... thinkin about ordering more of the boots and rubber gaskets and then starting next weekend...

[@andreastraxler6874]

Best video explanaition ever!Absolutly great job!Greetings from Romania!

[@4WDIESEL1]

great video. and you did not remove the intake manifold, wow good job

[@daddylovesfaith]

I'm going to be doing this job soon. Was very informative and gave me a good idea what to expect. Many thanks.

[@matthewsbc]

Very nice video. Extremely helpful in doing this job on my 2005 X3. If there are other X3 owners doing this, there are a couple differences but nothing major, for instance there are no vacuum lines to switch on the X3. Hardest part of the job was reconnecting new hoses to the PCV itself during reinstall. I put a little oil on all the o-rings to help, but still tricky. Thanks again!

[@fcpeuro]

Thanks for the helpful tips, Matthew!

[@fcpeuro]

More then likely caused by something else as the PCV would have to be clogged completely, if you are dealing with several profuse oil leaks then I would lean towards it being the PCV, but I would also check things like the MAF and O2 Sensors as well, common culprits for this code. Hope that helps.

[@tranquiliny]

the best video ever in youtube abaut BMW E39 , complete nice, clear, thank bro saving money thankyou brother..........

[@JohnSmith-iy3ms]

EXCELLENT VIDEO

[@bcuadra]

Great video man! Best ever I've ever seen so far, thanks...

[@jmideseo]

Excellent explanation and description Gareth! Best I have seen, you make it look easy! I wish you were local to L.A. The only suggestion I have is to maybe provide short description or indicators as to when it is time to replace the disa valve or throttle body. I have an issue where my 2003 530i goes into 'fail safe' mode randomly and all signs and codes seem to point at the throttle body being the primary issue. I'm going to attempt to replace it but was wondering if it is best practice to also replace the disa valve while I'm at it? You FCP Euro sells parts/kits for these, correct? Thanks!

[@user-zm8te2nj6c]

Good video helped me stop the white smoke from my exhaust on my 1999 bmw 528i sedan. that orange rubber was the cause got the all the pcv valve parts for 35 dollars on ebay thanks fcp i like and followed you guys...💯

[@fcpeuro]

+Tomas Anaya Glad to hear the video helped you out on your repair.

[@miguelcarpio3974]

thanks for this video it's more detail than the others & gives me confidence to replace my ccv. do you know or have a part number for the dipstick o-ring? when you pull out the dipstick tube will the o-ring come with it?

[@bereketgebregzabiher1446]

U always there when I needed help. And I hv learned a lot from u. Thank u man.

[@fcpeuro]

If we are talking M54 definitely check around the intake for any air leaks. This engine is notorious for this, air meter boots, air intake tubes, etc. Hope that helps.

[@daikiryoku]

silver engine covers look good, did you paint them?

[@MartyHaloMeyer]

Well done video, with all the dirty gory details included.

[@fcpeuro]

I agree. You should be fine driving it like it is for now. As long as the PCV isn't blowing oil straight into the cylinder head it likely won't be an issue. The only downside will be poor performance until its fixed. Good luck and don't hesitate to ask any other questions. - Gareth Foley

[@marcobustos8374]

Gracias,your video is 👍.on still trying to put in new pcv? Got to twist only that curve one but gonna keep trying,thank Yu,bro

[@bugleboy154]

This is a great video, very detailed Thank you!

[@MrGoldenjin]

thanks so much! really appreciate your very fast response.

[@ronburns268]

This was great, but wanted to add a couple of things I learned this weekend. When replacing the 6 rings on the upper breather spreader (or what ever it is), use a very fine needle nose pliers, pinch the ring to make it easy to grab then just fold it over the top, no scratching and very easy, had mine all off in 2 minutes. Lay it down on a bench or really smooth concrete, use 3 fingers around and just push down, again 2 more minutes and done. Next if you have that noise baffle unit...loose it by purchasing the new tube without the bottom port cause that thing is a pain in the @$$ going back in, your time must be worth something!!!! But most important, when you you are putting the new pcv in ...route your new hoses first then attach them...then screw it in place. I had to remove the insulator on mine or it just would not go in place and the small vacuum line also has to go inside of that insulation. any way, it come off really easy. dont know if i would have attempted this without this video. THX MUCH!!!!

[@carslover3509]

great work

[@angeltoshev5263]

thanks

[@patewing5808]

Great job and explanation

[@cincomorales]

This a great quality video and a lot of information! Thank you

[@fcpeuro]

+jessie morales No problem at all. Glad the video was useful for you!

[@fcpeuro]

We've done an 850 PCV video, check the link in the description, this one on the BMW took about 3x longer and about 5x more skin with it.

[@mthemechanic7158]

Thank you brother very helpful

[@BlastReadingSeries]

Woah, I'd never run down those plenum bolts with a 3/8 ratchet... Too easy to break BWM plastic! 1/4 all the way. Great video! Makes the Volvo P80 PCV job seem like such a breeze!!

[@fcpeuro]

It could. Sounds like it could be a cracked hose or clogged valve. Hope that helps.

[@andrewchin7010]

I decided to do a valve cover gasket replaced when i was done i had a few misfire issue after poking around their was an Hair line tear on that upper vaccume hose because it so brittle and some oil came out. i repair the tear temporary with silicon high temp sealer it work great just plaster the whole accordian section until it Dry for 12 hours until i buy a new line just make sure you let it dry really good. It solve my misfire issue until then. im thinking about buying that whole CCV Valve kit new hoses and line and clean and replaced the entire thing. Great Video Dude

[@fcpeuro]

Thank you! A new kit should take care of the issue for good. Please let us know if there's anything else we can help with.

[@askfskpsk]

This video is fantastic. Very instructive. 10/10 :)

[@fcpeuro]

Yes we did, you can see the removal around 8:35 Hope that helps.

[@BaLu-rs4sk]

i wanted to hear you start it up! great video...

[@waynezwzhang]

In case somebody needs help to re-connect the electrical connector to the throttle body, make sure the part with two square holes on the connector can rotate freely while the base with all the wires does not move. Otherwise, you may be able to seat the connector to the throttle body but will NOT be able to tight the connection. my lesson learned after 1+ hour frustration.

[@miguelcarpio3974]

thanks a much really appreciate it!

[@mohanedmusawi8192]

Awesome !

[@Airman..]

Good Job video very informative i usually work on domestics this is my second time European, just wanna share a lil tip, using ATF fluid on new O rings, rubber gaskets, silicone Gaskets makes them nice and tender for safe and easy installation, installing them dry may jag 'em up.

[@fcpeuro]

+Airman Thank you for the suggestion. I try to use silicone spray when available for o-rings or any part designed to seal.

[@rockyf12]

what about the sheathing cover to the vacuum tube. do they sell that too? you replaced it with no cover? does it matter with heat?

[@Zymh]

Nice video! Very good explanations.

[@jnambo5500]

While I was removing the intake boot and fuel rail, I saw blue coolant around the engine. What can that be? It's not inside the hoses just somewhat between the engine . Towards the middle rear top engine

[@mauromoreno3596]

Which upgrade upper intake boot will fit best on a 2004 BMW X5 3.0i with the M54 engine?? 525i or the 325i ?

[@edwardbutler948]

VERY HELPFUL thank you

[@MrGoldenjin]

btw...where did you order your parts from? more specifically, where can i get some vacuum line? do normal auto shops have them? would those be okay for use on a bmw?

[@Poppa11688]

How did you get that hose to connect to the pcv valve the one you have to turn and hear a click...I've been trying to get that hose on but there is not a lot hand space under to get the hose fully on to the pcv valve

[@vahramshahmiryan2214]

Thank you man soooo

[@djnarvae]

Thanks for this great video. I finished the job fine on a 1999 323i, but the car now does not start. Checked all connections and they are all seated correctly. Get this codes P0443, P1509, P1623, P1550... please help!!!

[@anthonycunningam378]

My Wife’s BMW 528i Wagon E39 needed the PCV procedure done, I’m a garage mechanic with decent tools and my COMPLIMENTS to the author of this video because I followed EVERY step precisely and behold when I was done in 6hrs the car ran like new. I saved at least $1,400.00 dollars NO JOKE. If you have a E39 and need to do a CCV complete repair FOLLOW THIS! Thanks from my garage and a happy Wife! Oh yea you KNOW how this ended..(smile).

[@fcpeuro]

Anthony , glad this DIY video saved you a bunch of money and lead to success on all fronts!

[@socheatponh8966]

great video bro!

[@fcpeuro]

+Socheat Ponh Thank you!

[@adiselkaz5208]

Good job sir thank u

[@bobgeisler4839]

Thank you! This was a great video. It was very helpful in replacing the PCV myself. Now, my car is purring like a kitten.

[@chrisg4rr377]

my intake boot has a split in it. only costs £10 from bmw, think i'll change the valve too

[@cain423]

Thank you.

[@angelgrey9]

my car has a misfire and rough when its running so my mechanic says that i need to replace my pcv so im going to bring it back to him next friday but can i still use my car for another week i have no engine light or leaks on the engine and so far im not losing oil beacuse i need my car for everyday use thanks again great video

[@purifiedpages]

I need a video for this same job on a 2004 BMW X3 (m54 , E83)

[@ishazaam]

Would the removal of the ICV be the same on a '97 328i (E36) Or at least be in the same spot? I think mine needs to be replaced or cleaned.

[@miguelcarpio3974]

and also could you please specify tools i need to use for this job.

[@yq119]

you are the best

[@spittman75]

Did you fix the broken bolt holding the ihsa valve?

[@joefowler9600]

Are the O rings on the intake spreader a unique part or can i just use some right size O rings out of a general O ring set. Also same question regards the oil dipstick O ring. Thanks

[@bogusienombre355]

Please does someone know the answer?

[@bobgeisler4839]

Yes itwas. I notice my check engine light and it started running rough. But it had been five years since I changed my spark plugs so I changed them. Well, that did not fix the problem. So I bought a device to read the engine codes and it stated that the most likely problem was the PCV. That is when I watched this video. I learned of all the parts I should order to tackle this job.

[@bogusienombre355]

Howdy! How was your experience replacing the pic system? 2021 calling.lol

[@MrGoldenjin]

sorry kinda worded my question weird. what i meant was, right after disconnecting the plug, what did you do? did you leave it as such, or did you disconnect it from the throttle cable piece for further cleaning.

[@albertt255]

Where does the line on the other side of the fuel rail go to? Great video by the way.

[@fcpeuro]

The other side of the line goes to the fuel pressure regulator.

[@hnkfsh81]

What parts do I need to remove to replace the tube that runs from the oil separator to the dipstick tube? I have medium hands and want to keep it simple. Thanks!

[@fcpeuro]

Basic hand tools, only speciality item were the torx sockets that hold the breather tio the block.

[@rachelsmith6820]

The dipstick seal and the O rings that you replaced up top are impossible to find. I looked at Napa, O'Reilly auto zone and Amazon. No one has the right size. Please provide link for ordering.

[@luckyboi1196]

Anyone know where can i get that kind of air filter and heat shield. Thanks!

[@exchaoordo]

What would it take to remove the intake manifold?

[@colincrosby6422]

I'm getting ready to do the CCV replacement on my 2000 E39 528i. But I was playing with the new vent hose that comes up to the spreader from the CCV. It looks like it's might be a real pain to get the fitting to engage and lock. Is it possible to install on CCV first then install and thread up through the intake? Great job on the video. Thanks for making it. I'm also getting ready to replace the OFH and my High Pressure Power Steering hose. How difficuilt is it to remove the banjo bolt the steer rack?

[@fcpeuro]

I think what you're asking is hitting on the same problem we had. You have to get the valve in place and then attach the hose that goes up to the intake manifold. It has to snap into place and will require some finesse. If you have someone who can help you with smaller hands it will probably help. Hope that answers your question.

[@talonpilot]

Great video! Great camera angles to show whats going on. Definitely the best one on this subject I've seen so far! ....one small question though.....at :32:49 in the video, one can clearly see that the lower DISA Valve bolt has been sheared off into the intake. How did you secure that fastener like that at :36:02 in the video? Other than giving you a hard time about that, I really enjoyed the DYI. Thanks!

[@fcpeuro]

You caught us, we had to drill it out. It was already broken from a long time ago and we didn't bother showing that part since it was a tedious repair and not necessarily relevant to the work we were actually showing for the video. Hope that answers your question.

[@bogusienombre355]

@@fcpeuro this is such an involved job and any problems along the way would be helpful to share. KZbin's need to not gloss over reality. It's really misleading to a viewers assessment of evaluating if their skill level can match the task and if they have the necessary tools for any unforseen problems that may arise.

[@Thegame42285]

Hey Bob just curious was your car experiencing a rough idle before changing your PCV just trying to figure out if that's my problem thanks I would love for mines to be purring like a kitten again lol

[@KwekuLynx]

Brilliant video, I have followed the steps to replace my CCV am currently stuck on the guide tube although I was able to remove and clean the dipstick tube unfortunately I could not reset if back into the oil pan nor find the old o-ring. Where is the old ring?

[@fcpeuro]

We had a little of that trouble ourselves, we found the old ring still lodged in it's seat in the oil pan, we couldn't see it but we just reached in and pulled it out. Hope that helps.

[@njteh]

@fcpeuro so i did this job yesterday, and re connected everything, i have crank but engine is not starting, i hear the fuel pump i checked the connections i have everything plugged. Side note my throttle body is the magnetic not the cable one. side note its 330ci 2002 model.

[@fcpeuro]

Its tough to say, throttle body or ICV may not be plugged in properly.

[@njteh]

FCP Euro i just wanted to update, the problem was one of the 30amp fuses for the engine module. It was surprising for me since the work was not related but that was the cause to not start the engine. Crank no start.

[@Sketchsstuff]

Where did you get the vacuum line?

[@MrMrmayaguezpr]

yes I'm talking about the little o-ring. i order the parts from bravarian auto .. thanks for the fast response.

[@carloslargaespada6051]

Dude, bav auto has closed down!!

[@jafarmerilien]

is there such thing as a Trottle sensor? if so, will it be close to the breather valve on 04 bmw 325I. i was told if i change that sensor then it should fix one of my #15 fuse that's located in the fuse box in the hood that keeps blowing out everytime i try to start the car causing the car to turn but not start. i Really hope you can help me out on that. your video was very well detailed. so thanks for that

[@fcpeuro]

On your 2004 325i there is a throttle position sensor. This is built into the throttle body and is not serviceable outside of replacing the throttle body. When replacing the throttle body it is required to also reset any adaptations stored in the DME from the previous faulty throttle body to ensure proper operation of the new part. Now this component is also sometimes confused with the accelerator pedal petentiometer which is also technically a TPS sensor. Similar situation there, the sensor is integrated inside the accelerator pedal assembly and cannot be serviced without replacing the entire assembly.

[@jafarmerilien]

is there a way to test the throttle body sensor just to make sure it works and also do you think if I were to replace the TPS sensor and the accelerator pedal assembly and the Throttle body and reset everything that it might work?

[@koalasokay]

if your pcv is faulty or block. mostly it will have an intermittent misfire. to tell if pcv is blocked is open and remove oil filler cap while engine is running if the cap is been vacuumed back pcv is faulty and mostly you would have rear and front crank seal leaks

[@bogusienombre355]

What is front and back crank seals?

[@fcpeuro]

I cant recall the exact sizes but a small metric socket, metric torx, and screwdriver set would be more than enough to complete the job. But don't forget the most important tool of all, patience.

[@rdf1238]

Hey thanks for the detailed video. I'm going to order the parts this week. Hey question. My 2000 E39 528i is showing the dreaded EML and brake light. When it did this before I has the throttle body change and it solved the problem. I just did VANOS seals last week and an intermittent EML and brake light popped up after installing the VANOS. I think I may have cracked the crank case hose due to it being brittle. Can vacuum leaks cause a EML code?

[@fcpeuro]

It's possible that a vacuum leak can cause an EML light. Generally speaking, vacuum leaks in the intake side of the engine will cause lean running conditions and misfires. Generally, these conditions will cause an SES light but the EML light can be triggered by just about anything. I would have the codes read for the EML light with an advanced diag tool that can read BMW error codes (not an OBDII scanner). It's much easier to trace down the problem knowing exactly which codes are being triggered.

[@askfskpsk]

Is this a E36? Because E46 does not seem to have that think vacuum line on the CCV?

[@asherrafique747]

hi guys thanks for your help that's a great video help me out a lot its i have 325i but my engine is M56 and its hard for me to put the idel control valve back i try push it hard but i feel its not go in properly can u help me out plz

[@GarethFoley]

Hi Asher, The ICV can be really tricky to push back in. In the past I have had problems myself. The grommet in particular is what makes it so difficult. One thing that can aid in helping you get the valve back in the grommet is some silicone spray. It should slide in fairly easy once it has been lubricated. What's nice about the silicone spray is you don't have to worry about it damaging the grommet or valve.

[@martinrestlesssoul]

Hi can i ask your help with my 528 bmw i have been replace deep tick course it's was blocked with the old masty oil but i am interesting is there should be an oil coming from valve cover to pcv ore it's just for the ear? Will be greatto hear some explanation have das it's works pcv valve? Thank you will fallow your comments.Also s in sump have a pressure need to seal deep stick really tight?