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Registered
Join Date: Aug 2005
Location: Fort Collins, CO
Posts: 332
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I believe that the IMS was removed in the Mk II 997 engines beginning in 2008. I replaced my IMS bearing with the LNE ceramic bearing at 45K miles when I had my clutch replaced. It turned out that neither the clutch plate nor the original IMS bearing showed any signs of catastrophic failure, but I sure can sleep better at night for a total expenditure of ca. $2,100.
If you are doing the clutch anyway, it makes sense to spend the additional ca. $600 and do the LNE bearing replacement, IMHO.
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2015 Porsche Macan S, Dark Blue Metallic
2011 BMW 328xi, Crimson Red
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