My cousin writes the "Tech Talk" column for the BMW Car Club of America's monthly magazine ROUNDEL. This debate rages monthly in his column. [/align][/align]The fact is that no oil lasts forever, and people who do not change the trans fluid WILL have trouble eventually. The lifetime fill bull**** was invented by yuppie marketing pukes whose only concern is the first owner (they hope someone who takes the car for a 2 year lease and dumps it for a new one just as it runs out of warranty).[/align][/align]Simply put CHANGE THE FLUID AND FILTER REGULARLY and forget the marketing pukes.[/align][/align]Regards,[/align][/align]Will[/align]