EPS IMS Bearing Upgrade Kit

[Boxtaboy]

What I want to know is how someone like MarcW can get over 300k miles (and still going) on his 02 Boxster with original IMS. I thought it's not a matter of if, but when.

[JFP in PA]

Originally Posted by Boxtaboy

What I want to know is how someone like MarcW can get over 300k miles (and still going) on his 02 Boxster with original IMS. I thought it's not a matter of if, but when.

For some it is, others not so much. We also have customers that have gone well over 200K with the factory bearings, and others have not made it to 50K. As with all production mechanical systems, some will go on nearly forever, but others will die prematurely for various reasons. But one inescapable is the Porsche's own data from the lawsuit: Of the single row engines produced between 2000 and 2006, approximately one in ten won't make it, and for the earlier dual rows the odds are somewhat better at 1-2% (no real hard numbers are known for the third generation bearings as they were not part of the legal action).

So it comes down to individual's risk tolerance levels; we have had customers trade in cars because of their concern, others have chosen to take preventative steps, and others simply decided to ignore it. All a mater of personal choices.

[mikefocke]

The failure rate for the 2nd generation single row bearings that was admitted to by Porsche was as of several years ago. I'd presume the percentage of failures would increase with time so it would be higher today?

[JFP in PA]

Originally Posted by mikefocke

The failure rate for the 2nd generation single row bearings that was admitted to by Porsche was as of several years ago. I'd presume the percentage of failures would increase with time so it would be higher today?

There was some discussion on this point a while back, but I cannot pinpoint the exact thread now. From a numerical standpoint, there were more single row engines (2001-2005) produced than dual rows (1997-2000), and the single rows were (from from Porshce's original litigation data) much more prone to failure than the dual rows, so it is a reasonable assumption. Unfortunately, once the litigation was settled, there has not been detailed additional hard data released, only occasional "snippets". With the legal action over, and all of the potential cars long out of warranty, the final numbers will probably never be known.