Replacing The PCV System On A BMW V8 Engine Part 2 Of 2




What do you think about this video?

David Lewis: Bolts stripped what can I do?

Recklessness97: Thank you for this perfect diy. My 03 540i msport is having rough idle problems. When it cold starts the RPMs will drop and go up over and over again until it reaches operating temperature. You can hear the engine almost die then come back to life also there's quite a bit of engine vibration that can be seen and felt strongly in the cabin on cold start. I believe my car has vacuum leaks so I will be doing this job as well replacing the idle air control valve and the throttle body gasket and throttle body housing gasket. I want to replace the intake manifold gaskets but that's out of my skill range and looks like a lot of work. Hopefully the above fixes my problems other wise I'm off to the dealer for manifold gasket replacement. I can hear my wallet crying already lol.

Thiago Salgado: What codes was it showing? P0171? P0174? I've got theses codes. Also, my car gives me a sound of a suction when I hit the throtle. And more, around 3400-3500 rpm on a hard accelaration, I get a hesitation from the engine... like it was out of air/fuel... thanks, Thiago

James Young: Awesome video!!! Best one yet on doing this job. Thank you so much!!!

waller647: Awesome 2 part video, thank you so much.....

IntrigueDynamite: This procedure is best implemented in a Professional Auto Repair shop, where there may be a customer's unwillingness to pay the extra dollar, BUT, for the sake of anyone attempting to make the repair themselves, TAKE THE MANIFOLD OFF!! Replace the intake manifold gaskets while you are doing this job, as well as the O-rings and the front cover gasket as well. The galley pan gasket is optional, but not a bad idea, when doing this job as well. Nothing more aggravating than having to go back and do the same work to replace a small part that should've been replaced the first time around. However, this is a good video, and patient instructional, Nice Job. ;) ASE Master Tech.

Marek Dominik Polak: hello I have a question (problem) replaced the PCV and all was well about half a year, recently pull out the dipstick and here'm hearing some gurgling and sucks her finger, what could be the cause of this? PVC is it again? Regards

calvin haugabrooks: I got a cap with my pcv kit from you guys. What is it for? And I have a m60 that dosnt use the second vaccum hose so how do I seal it? 

Ceelo totheworld: Exquisite 2pt video ! I would love to see you guys do a m62tu v8 vanos repair since it's so common 

jorgemarr: Excellent two part video

rudebuoy007: I ENJOY THESE VIDEO FROM BAVARIAN AUTOS, EXPLANATIONS ARE VERY INFORMATIVE, CLEAR AND CONCISE....KEEP UP THE GOOD WORK BAVAUTO. LOOKING FORWARD TO MORE. DO HAVE ONE QUESTION THOUGH, AND IT IS LIKE PULLING TEETH. I USE TO HAVE OIL CHANGE DONE AT CAR WASH PLACE FOR A FEW YEARS, CARE WAS NOT TAKEN TO REMOVE THE OIL HOUSING CAP AND AS A RESULT, THE MOUNTS WERE SHEARED OFF....LOOKED LIKE THE EASIEST THING TO REPLACE, BUT I AM CATCHING HELL WITH REMOVING IT...DO YU HAVE A VIDEO TO SHOW HOW IT SHOULD BE PROPERLY DONE, BOUGHT NEW MOUNTS BUT CANT GET THE OLD ONES OFF...PLEASE ANY SUGGESTIONS WOULD BE MOST APPRECIATED. 

mackalino1: Ok I went onto your web site, and there are NO part stocked under "PCV".. I only see the "CCV" witch I believe are the two springs with the orange in color rubber type top that covers the spring on each side of the engine..

Campus Auto Retail Service(At Melbourne, FL.): just bought the car it's a 2006 550i with a 4.8L. the car does nice start up and no smoke which i can see but when the car is at idle then my friend told me it is smoking and last night i had it sitting at idle then i could smell smoke when i rev it up a big bulk of smoke comes out would this be the symptom or the valve seal. the reason i am asking is, valve seal is when the car sits for couple of days then you see smoke at start up. please advice

BavarianAuto: You would load the cats with oil, which is not a good thing. If you do drive it, keep a very close eye on the oil level.

Suzuki Marine: Eg in my case replacement of only the cap has not solved the problem because there was also a problem in one clamp on the lower side of the cover. When I removed the old cap, it also had cracked the hole for the clamp at the same place. I have not noticed it at the first time, but it leaks now, makes a noise and I will order second new part to be sure everything is OK there. I do not trust these plastic parts after 3 removals and re-installs, so it will be necessary to replace the whole part.

mackalino1: I went to the BMW dealer & inquired about this PCV SYSTEM and they had NO knowledge of the part. Dose anyone out there know the actual name of the part that is being changed?? I have an 2006 750i (Sports Package)

alawabidingcitizen: Thank you. I ended up replacing the whole cover not just valve. Result: Still smoke puff at start up, sometimes. Suction from dipstick went from too much to barely feel it. Engine sounds softer. Could it be the front intake manifold cover? The thick hose that attaches to the bottom of the cover from driver's side with a spring seemed wiggly as if it wasn't connected to anything on the other end? Is that normal? Bottom of front manifold cover is a little oily?

benlit13: Mate this is a great DIY vid, will be needing to do this install next week. My 535i v8 has a bad idle, blows some smoke at startup, and is making strange noise's like a squealing (releasing a balloon ) noise 30sec after shut down. Im assuming this would be the cause of my problems. ? Well done and keep up the great work, look forward to viewing more of these DIY's.

BavarianAuto: Typical symptoms can include; oil usage, oil smoke from the exhaust, symptoms that would point to an intake vacuum leak, suction in the crankcase (when you remove the dipstick) or a whistling noise.

ccrider: you could have shown us where the old part failed. i've seen where guys can get away with replacing just the cap. it's a lot easier too and only takes 15-20min.

BavarianAuto: The N62 V8 is a different design from the M60/M62 V8 that is detailed in the video. The Crankcase ventilation check valves are incorporated into the round caps that are on the forward ends of the two valve covers. The valves are easy to replace. See the post on our Tech Blog at blog.bavauto.com ... search for N62 PCV , in the blog's search box.

BavarianAuto: @87sunset87 - Yes, your symptoms certainly do seem to point at the PCV check valve.

BavarianAuto: Yes, the typical failure is that he rubber diaphragm ruptures. In this case, if you remove the round "cap" and diaphragm from the new check valve assembly you can just install this on the old assembly (after removing the old cap and diaphragm.

5150santana: I pulled the pipe with the spring all the way out. It went back in with a little resistance should i be conserened?

goma3: What are the symptoms of PCV system in need of replacement/going bad?

ahmad ismail: i love you BavarianAuto.. u guys are the best, nice work, clean and pro..

BavarianAuto: Thanks for your encouragement!

Puttarak Rak: Yep now I'm have same problem and will fix in this month same. Cost for part about 120 US$ in dealer Thailand. Labour fee is free because I'm will do by myself.

Fendrickson: Local dealer quoted this at $1300 on a 2000 740iL.. took some time and patience but just finished on my own thanks to your videos (and parts) for about $70. Can't beat that... did the valve cover gaskets and spark plugs while I was in there and the thing runs like new. Thank you!

Homerraas: For a 10 min OSV swap search for kKNeN8tR3wM

Andrew Thompson: Great video, great car!

robert Wu: Such a great video. Thank you Mr. Otto! I had this problem on all the BMW V8 engines. I could have saved lots of money by doing this myself by watched your video. I will get parts from your guys when the problem happens to me again in the future.

BavarianAuto: From your comment, we assume that you have an N62 V8. The crankcase ventilation check valves are indeed the two caps that fit onto the forward ends of the engine's valve covers. In this case, the units that you found at bavauto.com , by searching PCV, are indeed correct.

alawabidingcitizen: Thank you for the detailed video. My 2001 740i is doing the start up smoke sometimes and I'm ready to act yet haven't bought the part nor decided which way to do it. I would like your advice on this: Since there is no moving parts other than the valve - which is the supposed faulty part - and since it can be difficult for someone like me to go through surprises that can arise, including hoses and not having every tool out there, can I just buy the valve and pop it up and replace it? Thanks much!

BavarianAuto: Yes, by far, the most common fault is that the diaphragm ruptures. In this case, you can indeed separate the diaphragm assembly and just replace it, without removing the complete check valve cover assembly.

BavarianAuto: BMW just calls it a "cover". We do have these in-stock in our online store. We have both original BMW and aftermarket. Just search "PCV" at BavAuto.com, or call our advisors at 800-535-2002.

BavarianAuto: @noahtheviking We have a valve cover gasket DIY article in our Fasttimes Newsletter. The DIY was done on a V8, but a 6-cylinder would be similar (easier, actually). Additionally, the Bentley repair manual will detail the procedure for your BMW model. See the newsletter article on our web site BAVAUTO dot COM and click on "Free Newsletters" on the left side of the page, then go to the FALL 2009 issue. We have the gaskets and Bentley manuals in-stock at BAVAUTO dot COM, as well.

BavarianAuto: Gee .... thanks! Really, though, thank you for the kind words.

Mike Torbert: My car just started smoking bad after I got off the freeway today. I need to make the same 25 mile journey back home to install the new part. Am I going to do any major damage to my car by driving it 25 miles on the freeway with a bad CCV? Thanks for your help!

BavarianAuto: Great! Thanks for sharing.

Rating:
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Replacing the PCV System on a BMW V8 Engine Part 2 of 2