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Best year boxster?
After Reading all the posts about bearing failures is there a year or years that were the worst or best for the dreaded IMS? Also does anyone know what percentage of engines suffered failure per year or model number?
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2000 S with dual row IMSB !
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Here are the latest figures from the Boxa.net survey:
Total cars covered: 196 Total IMS failures: 13 %age IMS failure: 6.6% Engine Cars in Study Incidents of failure Failure percentage 986 2.7: 37 4 10.8% 986 3.2: 78 7 9.0% 986 2.5: 23 1 4.3% 987 3.2: 29 1 3.4% 987 2.7: 22 0 NIL 987 3.4: 7 0 NIL Youngest car with a reported failure, 2005. Clear that the 986 2.7's and 3.2's are by far and away the highest risk with 987's low risk (only 1 reported failure and that in an early 987 S). |
The data seems to indicate the double row bearing and larger single row bearing designs have similar failure rates.
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