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Reviewed in the United States on June 14, 2024
I love the product. Easy to replace and is working great
BJN
Reviewed in the United States on December 5, 2024
Effective and fast trade
Michael P Gorski
Reviewed in the United States on November 5, 2024
While the product is well made and very easy to change, it didn't fix my issue. The previous valve would suck a lighter flame through the hole as the rubber was torn. This one fixed that issue, but now it would continuously pull air through the seals causing the noise to be continuous. I purchased a new valve cover, installed that and no more noise and the engine idles smoother than ever. Its a cheap fix if it works, if it doesn't, you'll just have to change the valve cover so may be worth a $16 try.
AMarie
Reviewed in the United States on July 17, 2023
Used to fix my 2012 BMW 535i Xdrive that was squeeling like a dying pig. I was going to replace the entire piece but chose to attempt this first due to time constraints. I cut off the top of the original and sealed this one in its spot and the car has not made the sound n over 2 months and the Drivetrain warning has not come back on.
Rob
Reviewed in the United States on February 11, 2023
It is unclear if this replacement hack did not work because it does not meet the required specifications for the part it replaces (ex: same elasticity) or because the so-called CPV is not the only place where the cylinder head cover manages crankcase pressure, but either way this part stopped the signature squealing sound for at most about 25 miles of driving. I even did the “clean” removal of the old one that in no way damaged the remaining cylinder head cover as well as tried three different sealants (gasket maker, auto grade silicon, then JB Weld for high temp auto plastics), all to no avail. The only thing that worked for my N55 was a new OEM cylinder head cover.Someone needs to do a deeper dive to see if this hack *ever* works - because it may, and for $15 it has the potential to be amazing. At this point, we just don’t know.
E C F
Reviewed in the United States on July 16, 2021
I'll keep the review short and simple:-this may or may not fix your issue-remove the old pcv, some use a dremel to chop up the old one into pieces (messy). I made one CUT and used a flat head to pry. no mess.-clean the area prior to installing your new pcv-most videos on youtube suggest to apply adhesive inside the pcv cap, or at the top of the circular area at the highest point of your valve cover. I chose not to do this, as I did not want to risk the adhesive flowing inside. Instead, I opted to apply adhesive to the OUTER EDGE ... so when the pcv cap is installed, any excess adhesive is pushed down and out instead of inside and upward-optional step, I used self fusing silicone tape for extra strength / to ensure the cap never comes offcar = 2012 bmw x3 (f25, n55)miles = 128k (valve cover gasket replaced at 120k, pcv failed 8k later)real world experience = the new pcv cap has seen 3 road trips, each of which were 1 -2 hrs or 50 -100+ miles ... in various degrees of traffic (LA being the worse) and so far, its held up. I will report back if anything changes.if anyone is looking to avoid paying for an entire new valve cover, this is worth a try!
Ehab100
Reviewed in the United States on February 22, 2021
Part didn't fix the issue, still having hissing sound.
Customer
Reviewed in the United States on November 28, 2020
This was just the ticket for my 2012 x5. The valve cover is over $500 dollars. BMW heat seals the PVC to the valve cover. You have to use a dremel tool to score the plastic PVC cap and heat gun to soften the plastic to remove it from the valve cover.Don’t cut the valve cover or you will be repairing it or having to pay for a new one. This requires patience and some basic skills. For installation you must glue it on. Youtube the how to videos for this repair before starting. Hint don’t forget there is a small spring under the cap. Look at its orientation when you get the cap off and don’t forget to put it back in before you glue the cap back on.Best $15 bucks + epoxy + dremel cutting wheels and new vacuum hose that was damaged in the process. Probably $40-50 spent but that god awful squealing noise is gone and the X5 runs better.
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