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Originally Posted by dmatz
I now know (after the fact of the failure, and after learning of the defect only from the internet), that I was the poster child for IMS failure risk. I only changed oil at the Porsche-recommended intervals (15k miles; 0W40 Mobil1; dealer servicing), drove the car mildly (40 mi 2-way commute druing the week at moderate freeway speeds), and let the car sit for extended periods during winter, using another car. I think there may have been warning signs (something I now think may have been bearing grinding noise), but I didn't know I needed to be vigilant for these signs, so I didn't pay attention. Believe me, if I had known, I would have behaved differently. The mechanic at the dealer was probably checking for metal in the filter, but no one told me I should be listening for bearing noises.
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Yep, I believe these cars need to be driven at least 10 minutes after startup to get all the water moister out of the oil and change the oil at least every 4000 miles. I drive mine every day, so I could not guess how often one should start these vehicles if they are sitting the garage?? I have 2001 Boxster with 210,000 miles on it. I am currently in the middle of replacing my IMS bearing. I started the project today, I should finish sometime tomorrow. I am going to start another thread and post some pictures.
Jager