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Old 09-09-2018, 03:54 PM
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Quote:
Originally Posted by Rotorblade View Post
I have a 01/2012 sdrive model and I've heard about timing chain problems. They tried to fix it with the second batch but apparently these still have problems. The car is now 55k km and it doesn't make any unusual sounds yet. Shoud I preventively replace the timing chain now, wait to do more km or wait until it would start to make rattling sound ?
Thanks
It's not the chain itself that fails, it's the chain guides (at least that's my understanding), which causes the chain to stretch. Replacing the chain itself won't do anything to prevent the failure. The chain should last several thousand kilometers.

My understanding is that the "preventative" replacement of the affected parts, when factoring in labour, isn't really worth doing.

If I'm wrong in any of this, I'm sure folks who know better than me will chime in
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