I am Teh Edumacator.
Join Date: May 2005
Location: ATL, London, and Barcelona
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If you use pure synthetic oil--NOT a blend--then it is possible to go 15,000 miles without an oil change. You should, however, replace the oil filter every 5,000 miles, or you're asking for trouble.
Do you notice any oil dripping from the bottom of your car? If you have a regular parking place at home, one good way to check for drip might be to put a sheet of cardboard under the engine/oil pan area, checking to see in the morning before you leave for work whether oil's dripping. If it is, it wouldn't hurt to have the dealer track down the source--especially while it's still under warranty!!!
Burning a quart of oil in 10,000 miles isn't too bad for ANY four year old car.
1999 E39 540i/6-VF Stage 1 S/C, Dinan exhaust, Dinan strut+shock braces, Dinan ltwt flywheel + clutch, Dinan Brembo BBK, Dinan monoball, H&R Springs, Koni Yellows, M5 sways, Dinan forged 18" wheels, &c.
1995 E38 740i. Highly modded. Faster than you.
Sold 2-28-07: 1997 E36 M3/4, 8-30-05 RIP 1997 528i
Lindsay fan club member.