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      10-08-2012, 01:25 PM   #27
Crisp
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Why would the plastic in the timing assembly be such a concern for wear?

Unless there are huge alignment issues, the chain will not be wearing out any of the plastic. If it is wearing it out, you would have catastrophic problems to worry about, never mind the plastic. lol
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Past BMWs:E93 335i - E60 535i - E60 M5 - E92 M3 - E64 M6 - F10 M5 - F30 320i
Current X4M - Fiat 500 Abarth - F90 M5 on order