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E12, E28, E34, E39, E60General discussion and technical help for all year 5 series cars.
I see, will tell the tech to do the compression test. BTW any other things I should check for .. for a car that had been sitting for a long time?
Have him look at diff seals, trans seals and basically mention that the car has been doing alot of sitting. If it's a BMW dealer have him run your vin# to see if there are any open campaigns (recalls & updates that weren't performed) Check your maintenance manual for any & all previous maintenance and get updated on fluids changes (brake flush, coolant flush, etc)
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Your Ride: 2006 330xi, 2007 X5 3.0, 1991 318is
Quote:
Originally Posted by ghost
At the same time, aeroplane engines recommend going full throttle (for the piston kind) for break-in.
air cooled engines have more thermal expansion than a liquid cooled, so when the enigine is opened up the piston rings expand properly with the cylinders, and help to remove the grooves left by machining.
As for a liquid cooled engine, there have been debates about this very topic, and it seems that the manufacturer's of automobile engines are more concerned with the consumer racking up huge waranty bills, so to protect themselves, they say to keep the revs down for a determoned time.