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      07-16-2009, 08:43 PM   #22
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Drives: 2007 RS4. 2012 S1000RR
Join Date: Mar 2008
Location: Seattle

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Originally Posted by Bikerjoy View Post
And here we go again.....

Everyone knows better than the engineers that actually designed, built and tested the car.

Changing oil every 5000 miles is very much an american thing. I lived my entire life in Sweden up until 4 years ago, and european brands now either have a dynamic service interval with the first oil change made after about 15-18k (exception on M3 and alike that have a break in service at 1.2k), or they have a static interval around 18k (30000km).

Do you really think BMW or any european manufacturer would state 18k if it was harmful for your car? BMW has incentive in doing so as service is free, but Porsche (just bought a Cayman S), has the first service at 20k (no break in service). Porsche actually has incentive to make you change oil more often since it is not free, but still they call for 20k (or 12 months), why? Because the car will be just fine doing so.

If you sleep better at night changing oil every 5k, go right ahead, but you are throwing your money away in my opinion (and BMW engineers might agree).
Sorry but your 100% completely wrong here.

numerous oil analysis on M cars have shown that oil starts to break down after about 8000 miles.

BMW engineers didn't come up with the free maintenance idea... that was the marketing department.

BMW is only looking out for you until your warranty period is over. If you have a ton of sludge and other buildup its not going to accumulate enough to really cause a problem until your well past the 50,000 miles when the warranty runs out.

But hey if you wanna ignore the data and go against the grain for a measly few hundred bucks on a $60,000 car feel free.
2012 BMW S1000RR
2011 BMW M3