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Message: <blockquote data-quote="yellowmanta" data-source="post: 345983" data-attributes="member: 4049">Hi Rahim,Don't think the loss of engine oil is confined to the high revving type. I have the E60 523 and encountered this problem even before hitting the 5000km mark back then. Then it got worse and the warning to top up came on like almost every 2000-3000km. I don't drive fast (use the car purely for business purposes) and certainly seldom rev the engine to high RPM levels yet I had the problem. Finally after much hassle with AB and going thru some tests, they replaced the engine block, piston rings and other ancillary parts under warranty. And the problem seems to be solved so far, touch wood. Infact, on the contrary to what you say, when they handed me the car back after the engine block swap, they advised me to rev the car every now and then, maybe to burn off carbon deposits that could have contributed to the problem. So now every Sat I'd bring my car to the NKVE and really give it a good rev...FYI the engine swap was done at mileage 32800km and my present mileage is 43,000km.Cheers,Pete</blockquote>