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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 01-20-2012, 10:50 AM
e39munoz e39munoz is offline
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What is this hose for on the ccv is it important?

what is hose number 6 used for?
i changed the ccv a week ago and i dont remember connecting that hose
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  #2  
Old 01-20-2012, 10:58 AM
timarnold timarnold is offline
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Hose #6 is not used on the M54 engines. There is a small rubber cap that covers the stem on the CCV. I assume if it is not plugged you would have a small vacuum leak.
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Old 01-20-2012, 11:15 AM
e39munoz e39munoz is offline
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Okay I have the m54 i bought the kit to go with it it didn't include the hose I still have high oil consumption
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Old 01-20-2012, 11:19 AM
Steve530 Steve530 is offline
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I don't understand why the CCV does not come with a cap on that port, but I hope you capped it.

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  #5  
Old 01-20-2012, 11:37 AM
e39munoz e39munoz is offline
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So I should give it a check and see if it's alright
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  #6  
Old 01-20-2012, 12:59 PM
timarnold timarnold is offline
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You may have already done this, but while replacing the CVV, it is important to remove the dipstick tube & thoroughly flush it out. If you do this, buy 2 new orings to go on the dipstick tube because you will almost certainly cut the first oring while trying to reinstall the dipstick. I strongly recommend using oring lube on it. Without it, I found it pretty much impossible to get the dipstick back in.
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Old 01-20-2012, 02:30 PM
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bluebee bluebee is offline
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Mein Auto: 02 BMW 525i M54 auto 130K
See also the tons of pictures & discussion about this hose/endcap at:
- Clarification on how the M54 / M52 CCV vacuum port works (1)
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Please read the suggested threads, where the best always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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