1990 BMW 750Li Vent tubes

LCOMER72

MEMBER
1990 BMW 750LI
V12
2WD
AUTOMATIC
140,000 MILES

The dealer said I need my vent tube replaced in both banks of the engine because they are clogged. They said this allows the oil to flow from the bottom of the engine to the top and prevents pressure build up in the crankcase. I have no idea what a vent tube looks like or where it's exactly located in the engine. Can you please explain to me where the vent tubes look like and where they are located?

6 Replies

DR LOOT

MECHANIC
2,311 POSTS

The vent tube is #4

Was this

answer

helpful?

Yes

No

Tuesday, October 12th, 2010 AT 10:25 PM

LCOMER72

MEMBER
14 POSTS

Thanks for the info on what a vent tube is. I guess my question is where is it located exactly? Is it inside the long portion of the intake and if I replace it will I need gaskets and hoses?

SPONSORED LINKS

Was this

answer

helpful?

Yes

No

Thursday, October 21st, 2010 AT 9:45 AM

DR LOOT

MECHANIC
2,311 POSTS

If you going to performed operation you will need a manual

Was this

answer

helpful?

Yes

No

Thursday, October 21st, 2010 AT 10:07 AM

LCOMER72

MEMBER
14 POSTS

I looked for a manual but I can't seem to find one. Do you know where I can find one for my car

Was this

answer

helpful?

Yes

No

Friday, October 22nd, 2010 AT 1:15 PM

DR LOOT

MECHANIC
2,311 POSTS

You can check on eBay for a used one or you can contact your local European parts store for one, if you still cannot find one let me know I'll tell you where to get one.