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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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Old 05-27-2015, 12:15 PM
vavet5308 vavet5308 is offline
Location: Mechanicsville, VA
Join Date: Dec 2005
Posts: 592
Mein Auto: 2002 525it
excessive oil consumption?

How much is too much?
How much oil does your car use between oil changes?
Does it vary based on where it is in the oil change cycle - as in, does it use more immediately after an oil change and then taper off? Does it use it slowly immediately after an oil change and then consume more?

My car with 118K miles uses a quart about every 700 miles, pretty steadily. I've replaced the CCV and blown out the dipstick tube. my plan is to try to engine oil stabilizer at the next oil change.
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Old 05-27-2015, 12:40 PM
poolman poolman is offline
Officially Welcomed to the 'Fest
Location: martinsville va
Join Date: Nov 2005
Posts: 4,366
Mein Auto: 525i station wagon
Nothing new, these engines have a problem with the CCV and then start using oil, to the tune of about 1 qt every 1000 miles or so. I have had good luck switching from the CCV to an oil catch can with an old timey PVC valve and that brought it to about 1 qt every 3500 miles or so. Newer engine in my car now (old one burnt a valve at 265,000) and have had luck with the following link

If you try this,,jack up the passenger side of the car , to where the head is about level, pour a couple of oz's of the cleaner in and let set overnight. Then using the key and the pluggs out blow it all out,,for good measure get a shop vac and pull the rest out of there..Warning , it's going to smoke like crazy afterwards. This has helped mine,,might not be for you,,but was for me
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Old 05-27-2015, 07:51 PM
540 M-Sport's Avatar
540 M-Sport 540 M-Sport is offline
Officially Welcomed to the 'Fest
Location: Seattle, WA
Join Date: Apr 2004
Posts: 5,386
Mein Auto: 01' 540 M-Sport, Scuderia
I have the M62 (V8) and do not use a any oil with 7500 mile oil change intervals since new. I have just under 233,000 miles.
Factory 540 M-Sport (Canadian market), factory Bluetooth, factory M-Audio 10" dual voice coil subs, Homelink, M5 rear stabilizer bar, H&R 15mm spacers, Bilstein B14 PSS coil overs, Stop Tech ss brake lines, Akebono Euro Ceramic brake pads, oem Brembo and Zimmerman rotors, Dinan Stage 1 software, Strong Strut front upper stress bar.
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