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They redesigned with thin and more "sticks" for much better heat sinking but they usually last over a decade we bought our two 2001s in 2015 they both failed within 3 years but were both original tapered heat sink pins.
The more mass, the better initial heat sink the more pins/ surface area the better continuous heat removal. If you take short trips the OG style the one for you
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2011 E70 • N55 (me)
2012 E70 • N63 (wife)
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