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Old 04-05-2007, 11:13 AM
BG624 BG624 is offline
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Join Date: Feb 2007
Location: New York
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Quote:
Originally Posted by 330i2X5
Having read many many posts over the past few years about changing the oil after break in to ensure better peformance, I decided to email my dealership to request the same....Im at 1500km now and almost at break in....
So when I received the following email I was a little surprised and now not sure of my next step:

The "M" vehicles are the ones that we usually do a break in service for due to the type of oil and because it is a high performance engine. I just spoke to ***** about your X5 and he has told me that the engines are pre broken in and because we use a full synthetic the chances of debris are slim to none. But after saying that if you would like to have one performed for piece of mind I would suggest waiting until you have gone over the 2000km mark as that is when we perform the 2k service on the "M" cars.

Engines are pre broken in????
Is there something we dont know ??? I know this master technician at BMW is highly knowledgeable...
For these engines to be pre broken in thay would have to run them for at least 500 miles which is highly unlikely. Using synthetic oil has nothing to do with the fact that all engines while being broken in produce small metal fragments because all the moving parts are wearing in together. These fragments should be removed because the oil filter may not capture all of them.
It's cheap insurance to change the oil and filter after the break in mileage.
If your leasing the car then just follow the free schedule but if your interested in the long term care of your motor then pay for the 1st. oil change after break in somewhere between 1000 and 2000 miles.
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