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7 Series - E38 (1995 - 2001)

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  #1  
Old 12-25-2012, 06:15 PM
Chi town Cisco Chi town Cisco is offline
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Location: Rockford
 
Join Date: Dec 2012
Posts: 2
Mein Auto: 740il
White smoke or what seems to be white smoke

Hey I'm new to the forum. Great to be here, lots of smart folks on this site. Anyway I have a 2k 740il and it is burning oil like krazy.. I just don't get it. Any suggestions? I need help. I only have
97, 000 miles on her. Any idea's? Please help.

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  #2  
Old 12-25-2012, 07:51 PM
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BMWFatherFigure BMWFatherFigure is offline
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Location: Perth, Western Australia
 
Join Date: Aug 2012
Posts: 2,171
Mein Auto: E23;E30;E38;E32;E34 +
If you are unsure of service history get Insp2 service done by who ever you trust. Get them to give special attention to breathers and CCV devices. If still burning oil do compression check..
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  #3  
Old 12-26-2012, 12:03 PM
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bluebee bluebee is offline
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Location: San Jose, California
 
Join Date: Mar 2008
Posts: 20,534
Mein Auto: 02 BMW 525i M54 auto 130K
- How to test the crankcase ventilation (aka CCV, CVV, PCV, CPV, & OSV) pressure regulating valve system (1) & a video of oil separator quacking chubacca noise (1) & vacuum leaks due to holes in one or more of the five CCV hoses (1) (2) (3) or frozen or torn diaphragms (1) & a clogged CCV (1) causing pressure in the crankcase and smoke in the exhaust necessitating CCV system overhaul (BavAuto M54, M54,M54,M54,M54, & M54 observations) (M52,M52) (M52TU) (M62,M62) ('99 528i) ('98 528i); usually replaced with the insulated CCV upgrade (1) & sorely needed clarification on how the M54 CCV vacuum port works on the M52 CCV valve connection to the fuel pressure regulator connection (1) & how to do a CCV delete (1)
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Your job, in return, is to read the suggested threads, where the best people will 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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  #4  
Old 12-27-2012, 05:46 AM
JasonSC540ia JasonSC540ia is offline
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Location: Alamogetto NM
 
Join Date: Aug 2009
Posts: 649
Mein Auto: 1999 740i
Pull you dip stick out with the car running. Do you hear a lot of slurping sound? Do the same with oil cap and see if sound/idle changes. Id say the CCV myself. Take a good look a Bluebees links. There always a good source of info.
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