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BMW 3-Series (E90 E92) Forum
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After Break-In Oil Change - Feels WORSE?
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| 09-25-2009, 06:43 PM | #1 |
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After Break-In Oil Change - Feels WORSE?
Changed my oil after about 3000 miles at the dealer. Now the idle is rougher and it seems like my fuel mileage is worse. =S Any ideas?
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| 09-28-2009, 02:57 PM | #3 |
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Lieutenant General
 
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You performed a pre-mature drain of the BMW break in oil that comes in all our cars. As a result the engine is experiencing more friction, causing glazing of the cylinder walls and a tremendous amount of blow-by. I suspect your fuel pump will fail within the next 1k miles.
 (in otherwords,...don't worry about it). |
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| 09-29-2009, 01:14 AM | #4 | |
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Colonel
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Quote:
It's either something else came up (like an impending HPFP failure), or your mind is playing you. |
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| 09-29-2009, 10:32 AM | #5 |
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Lieutenant
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+2
If anything, the oil change would make it a little bit better. Are you getting any kind of Check Engine Light?
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| 09-29-2009, 11:05 AM | #6 |
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Colonel
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how long did they have your car ? if it's longer then 2 hrs they could have updated the software.
ppp
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