>
>> The 8500 miles on the BMW is about one year. Changing oil "every three
>> thousand miles OR three months", which is the common mantra, is complete
>> irresponsibility and waste.
>>
>
>Every 3K miles the oil in my engine is significantly damaged and I can see
>reduced oil pressureat idle (new oil gives me 21psi at hot idle, after 3K
>miles it idles at 14psi - renewal bumps it back up to 21). Id hate to leave
>it to 8K miles!
>
What kind of junk oil are you using?