From Porsche's publications, they seem to recommend drive belt replacement at the 6 yr mark. I've been going by mileage, but it's over 6 yrs for me now, so maybe I should think about replacement. I knew a Boxster owner whom on a whim decided to just keep his original belt on until it snapped to see how long it would really last.... it lasted until 92K or something like that IIRC, and he had a spare belt in his car, so he was not stranded for long.
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Current: 07 Carrera S Cab in Midnight Blue
Previous: 01 Boxster in Arctic Silver, 86 944 in Guards Red
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