I have son in the USA (on secondment but it could last a lot longer). He has 2 BMWs (X5 & 430) and has the car serviced 2 x per year - roughly every 10K.
Some of his work colleagues are into "a lube service" every 5/6,000 miles as this was the schedule on cars 30/40 years ago - NOT a bad idea especially as the oil change seems to be loose change even in new & expensive cars.
Unlike the UK where an oil change can cost £200+ for a Porsche Cayenne BUT at the same workshop a lot less if it was a Tourag. Glass palaces are expensive so too is the oil & hourly rate.
I have mine and my daughters oil/filter changed every 6k or 6 months, whichever comes first, because years ago a car my daughter bought she missed a service after I kept reminding her it was due.
she went on holiday and engine siezed up while doing 30mph, which was a bit frightning as she thought she had hit something due to the noises it made, engine had gone 3k over the service interval and it was black oil like treacle
I have always had oil/filter changes at or around 6k or 6 months and never had any problems, daughter was the first to find out why I always go on to others about it, those that brag they never change or leave longer than recommended time are usually just plain lucky.
for some of us it isnt worth the risk
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