"Dave Plowman (News)" wrote in message
...

My bother's BMW 520 is approaching
250,000 miles, and has certainly never
had synthetic oil - and leads a hard life
towing much of the time.

...and sounds and feels like a tractor.

Synthetic only makes economic sense
on engines designed for it

ALL modern engines are designed for it. Sorry, oh for you they are not,
please buy the cheapest and nastiest oil available and run it for 40,000
miles. Please do this.


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