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#1
03-23-2018, 05:40 PM
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Need some help identifying this...
 In the upper left section of the picture above there is cylindrical part with two tabs and hose barb. It sits slightly behind and between the #5 and #6 coils. If anyone here knows: > what it is (i'm curious) > Most importantly if that hose barb is supposed to be attached to something or be covered by a "plug"... When I took the engine cover off to change the plugs and coils that hose barb had a very dried out and cracked piece of what looked to be rubber or plastic on it. It was open on the end, it looked like a hose that was brittle and broke off. However there is no hose anywhere near that area that I can see/find. I'm thinking it was maybe a cap that got brittle and fell apart. My concern is if its vacuum and should be capped I need plug it. if its vacuum or pressure or whatever and should be connected to something I need to find the hose... So, if anyone can help me I would greatly appreciate it. Thank you... 
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#3
03-23-2018, 09:57 PM
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 Looks like a hose should be on it but no hose and no cap is required.
__________________
"What you hear in a great jazz band is the sound of democracy. “The jazz band works best when participation is shaped by intelligent communication.” Harmony happens whenever different parts get to form a whole by means of congruity, concord, symetry, consistency, conformity, correspondence, agreement, accord, unity, consonance……. 
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#4
03-23-2018, 10:14 PM
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I'm almost positive but that's not the N62 V8 I have.
If that's it the barb you seeing is the fresh air side and not capped. The engine side is that rectangular tube below it in the picture. They are also very cheap and notorious for the rubber baffle cracking and feeding oil back into the intake. If they are more than 4 years old I would just replace them. And don't try and remove them to inspect, those tabs are extremely brittle.
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#5
03-23-2018, 10:18 PM
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Looks like you have an N52 engine. I just replaced my valve cover and the PCV valve does have a cap on the end of the tube to which you are referring. Sorry, I cannot get a pic to upload
__________________
12 335i mSport Space Gray Metallic 09 X5 3.0 Space Gray Metallic 01 740i Sport Anthracite Metallic
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#7
03-25-2018, 12:34 AM
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Quote:
The part is called crankcase control valve and is integrated into the valve cover. If your engine is N52A, there would be small hose connecting the barb to intake manifold. If your engine is N52B, the hose is deleted and the valve remains as is. Nothing connects to the barb. If that barb has some vacuum, the valve is faulty and valve cover must be replaced. (Some owners replace “only the valve”. A fairly easy job when valve cover is off. Sent from my iPhone using Tapatalk
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#8
03-25-2018, 05:18 PM
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Quote:
The good news is the misfires are gone. I found 2 coils with cracked boot, one with 2 cracks. All of the cracks were 1/4" or more. Total cost, 139.00 shipped for 6 Bosch coils; the EXACT coils that were OEM in the car. I double Bosch part numbers as I pulled the original coils out, exactly the same. I could have got Dephi coils for that same price. I took me about a hour to R&R the coils, including pulling the plugs to check them. The dealer want 350.00 to diagnose the problem and $1,300.00 to R&R the coils. An Indy shop near (owned by a former BMW mechanic) wanted 250.00 to diagnose and $1,200.00 to R&R the coils. I don't know how these guys get away with this crap… it's straight up fraud. I can't complain about about the coils. They were the original coils on the car. I picked up the car from the dealer in March 2010. They "gifted" me with a 100,000 mile service and warranty "upgrade" so it was maintained at the dealer through 100k mikes. It has 168k mikes on it now and still runs like new other than very slight increase in oil consumption. I think that's associated with the PCV/CCV. Really my only complaint is with the plastic BMW uses. If you look at too hard it will break, this began at about 20K miles and now I just do t want to touch anything plastic under the hood. I recently replaced the cabin air filters and the fasteners and parts of the covers just literally crumpled when I touch them. If keep the car much longer I'll need to replace all those parts and all the parts associated with the seal/baffle at the rear of the engine compartment. All of those parties have crumbled away.
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#9
03-30-2018, 02:17 PM
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Quote:
The plastic quality meets industry’s standard. It’s the heat under a BMW’s hood that deteriorates the plastic and rubber parts prematurely! Most BMw engines run at 105C as their normal temperature. Compare it to 88-95C for other automakers engines! There’s nothing you can do about it! Except regularly inspect the cooling system for top performance! Sent from my iPhone using Tapatalk
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