[evelus]

Hello,

I’ve recently brought a 2011 E90 Msport.
I’ve noticed there’s small amounts of oil on this black pipe in engine, wondering
If this should be a cause for concern?

View post on imgur.com

[rasa bmw]

diesel? or petrol?looks like a derv but not 100% sure

[evelus]

Yeah sorry Diesel!

[Andy198712]

N57 engine isn't it?

thats the oil breather pipe, from what i've read they can split and cause that.

its not a pressure line but you want to change it really as it'll make a mess!

[rasa bmw]

while your at it,get a look at the pcv filter( crank case breather)

[ChawenHalo]

Originally Posted by rasa bmw

while your at it,get a look at the pcv filter( crank case breather)

Could you give us a pic of that please and show where it is? Is it something we need to change?

[evelus]

noted. Cheers for the help lads

[rasa bmw]

Originally Posted by ChawenHalo

Could you give us a pic of that please and show where it is? Is it something we need to change?

also known as pcv filter or vortex filter..its easy to change ..just a few bits to take off and also injector cables bolted off..new ones come with new gaskets..the old type had a loo roll shape filter inside but changed to a vortex cartridge which should be changed every 40-50 k miles..just google it

[Andy198712]

Originally Posted by rasa bmw

also known as pcv filter or vortex filter..its easy to change ..just a few bits to take off and also injector cables bolted off..new ones come with new gaskets..the old type had a loo roll shape filter inside but changed to a vortex cartridge which should be changed every 40-50 k miles..just google it

is that an M57 thing?

[rasa bmw]

Originally Posted by Andy198712

is that an M57 thing?

pretty sure the n57 to 2011 has them also..it has a rubber pipe from it to crankcase and vents the crank case..http://www.e90post.com/forums/showthread.php?t=303756 have a look at this post.

[poggy]

Pretty sure you can just change the hose if it's split. Check that the oil isn't from somewhere else

[rasa bmw]

Originally Posted by poggy

Pretty sure you can just change the hose if it's split. Check that the oil isn't from somewhere else

true,but the vortex filter and housing is a sevicable item..well worth doi ng as its an easy job and cheapish

[bishbosh]

Originally Posted by rasa bmw

pretty sure the n57 to 2011 has them also..it has a rubber pipe from it to crankcase and vents the crank case..http://www.e90post.com/forums/showthread.php?t=303756 have a look at this post.

That thread is referring to the M57 engine.

The n57 engine does not have a loo roll filter. There is a vortex filter built into the cylinder head cover and this isn't a serviceable item.

A very quick check on realoem confirms this

Going back to the pipe the op refers to, they tend to leak, but they are cheap and easy to replace.

[rasa bmw]

Originally Posted by bishbosh

That thread is referring to the M57 engine.

The n57 engine does not have a loo roll filter. There is a vortex filter built into the cylinder head cover and this isn't a serviceable item.

A very quick check on realoem confirms this

Going back to the pipe the op refers to, they tend to leak, but they are cheap and easy to replace.

it is ,,when bmw have come to recognise that it needs changing,just like the auto box needs a service...and i know the n57 doesnt have the loo roll filter but the thing is the same but with a vortex and cartridge which ive already explained https://www.buycarparts.co.uk/search...k+case+breathe this is what i get when i put the lci crankcase breather in fo in, i know the crankcase was a new design,but according to this it has the same venting

[bishbosh]

Ahh, they must have changed it on certain engines. Realoem wasn't clear about this even though I selected a late 2010 engine.

For that price it's cheap to replace

[rasa bmw]

Originally Posted by bishbosh

That thread is referring to the M57 engine.

The n57 engine does not have a loo roll filter. There is a vortex filter built into the cylinder head cover and this isn't a serviceable item.

A very quick check on realoem confirms this

Going back to the pipe the op refers to, they tend to leak, but they are cheap and easy to replace.

it is ,,when bmw have come to recognise that it needs changing,just like the auto box needs a service...and i know the n57 doesnt have the loo roll filter but the thing is the same but with a vortex and cartridge which ive already explained https://www.buycarparts.co.uk/search...k+case+breathe thttp://www.e90post.com/forums/showthread.php?t=945740his is where i read about it..

[bishbosh]

So do you have to take the cylinder head cover off to replace it?

On the M57 engines it was replaceable with the parts that were in the thread you linked to without having to take the whole cover off.

[rasa bmw]

Originally Posted by bishbosh

So do you have to take the cylinder head cover off to replace it?

On the M57 engines it was replaceable with the parts that were in the thread you linked to without having to take the whole cover off.

i am going to look into it a little more as i may get one in the future,although a 335d..

[rasa bmw]

rcent topic on the crank case breather http://www.bimmerforums.co.uk/forum/...ather-t541537/